6 3/ 4 divide by 4 1/2

Answers

Answer 1

The value of the equation A = ( 6 3/4 ) / ( 4 1/2 ) is 3/2 or 1 1/2

What is an Equation?

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given data ,

Let the first number be A = 6 3/4

A = 27/4

Let the second number be B = 4 1/2

B = 9/2

Now , the equation is C = A/B

The value of C = A / B

Substituting the values of A and B in the equation , we get

Value of C = ( 6 3/4 ) /  ( 4 1/2 )

Value of C = ( 27/4 ) / ( 9/2 )

Value of C = ( 27 / 9 ) / 2

Value of C = 3 / 2

Therefore , the value of C is 3/2 or 1 1/2

Hence , The value of the equation A = ( 6 3/4 ) / ( 4 1/2 ) is 3/2 or 1 1/2

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Related Questions

the ____ of a triangle is a segment that connects the midpoints of two side of the triangle called

Answers

Answer:

midsegment

Step-by-step explanation:

hope it helps!

The answer is mid-segment.

please help thank you very much​

Answers

Answer:

x = 1, y = 20

Step-by-step explanation:

The question is asking the length of two wires, so instead of area, we are looking at the perimeter.

For the triangle, the equation looks like this:

(2-x) + 15 + y

For the rectangle, the equation looks like this:

(5-x) + (y-6) × 2

Let's say that x = 2, and y = 12.

The triangles new equation would look like this:

(2-2) + 15 + 12 = 27

The rectangles new equation would look like this:

(5-2) + (12-6) × 2 = 18

The wires are the same length, so these numbers can't be correct.

Let's say that x = 1 and y = 20.

The triangles new equation would look like this:

(2-1) + 15 + 20 = 36

The rectangles new equation would look like this:

(5-1) + (20-6) × 2 = 36

These numbers are the same, so therefore the answer is

x = 1 and y = 20.

Does anyone know the answer or how to solve this please?

Answers

Answer:  Choice (E)   [tex]\displaystyle \text{xz} = \boldsymbol{\frac{\text{x}^3}{\text{zy}^2}}[/tex]

=========================================================

Explanation:

The goal is to find what xz is equal to (in terms of x, y, and z)

We are given [tex]\text{z}= \frac{\text{x}^2}{\text{zy}^2}[/tex]

The only thing we're missing on the left hand side is x.

Let's multiply both sides by x.

[tex]\text{z} = \frac{\text{x}^2}{\text{zy}^2}\\\\\text{xz} = \text{x}*\frac{\text{x}^2}{\text{zy}^2}\\\\\text{xz} = \frac{\text{x}*\text{x}^2}{\text{zy}^2}\\\\\displaystyle \text{xz} = \boldsymbol{\frac{\text{x}^3}{\text{zy}^2}}[/tex]

This points us to choice (E) as the final answer.

please help if u can, and explain! tysm (:

Answers

In 3rd step Henry made a mistake by taking the division operator rather than taking subtraction.

What is Number system?

A number system is defined as a system of writing to express numbers.

The given problem is 5⁴5⁶/5²

We know that when bases are same then powers will be added

5⁴⁺⁶/5²

5¹⁰/5²

When denominator is taken up then the sign of denominator power value changes to negative.

5¹⁰⁻²

5⁸

Hence, in 3rd step Henry made a mistake by taking the division operator than subtraction.

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Find the coordinate Z

Answers

Answer:

199.728.0294..........….

What are the products 4/9 X 6 and 6 X 4/9

HELP NOW PLEASE

Answers

Answer: Both products are 2.6 repeating

What is the solution to this equation?
3(4x + 3) = 2x-5(3-X) + 2

Answers

x = -4.4 or x = -4 2/5

Answer: The answer to this question is x= -22/5

you are interested in measuring the effects of a computer-assisted instruction program on the math scores of elementary school students; experimental and control students are matched on iq. group of answer choices within-subjects anova independent samples t test related samples t test between-subjects anova

Answers

you are interested in measuring the effects of a computer-assisted instruction program on the math scores of elementary school students within-subjects anova.

What is an ANOVA with within-subjects?

When there are identical participants in each group, a one-way repeated measures ANOVA, sometimes referred to as a within-subjects ANOVA, is used to assess whether three or more group means are different. The groups are sometimes referred to as "related" groups as a result.ANOVA within-subjects. Comparisons of the same individuals under various circumstances are included in within-subjects variables. For instance, each child's performance in the "ADHD Treatment" research was assessed four times, once after taking each of the four treatment doses for a week.A repeated measures ANOVA is another name for a within-subjects ANOVA. This kind of test is not just confined to two time periods; it is widely utilised when utilizing a pretest and posttest design.

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Point W is located at (6, 4) on the coordinate plane. Point W is reflected over the y-
axis to create point W'. Point W' is then reflected over the -axis to create point
W". What ordered pair describes the location of W"?

Answers

Answer:

W'(-6,4)

Step-by-step explanation:

W (6,4)  When it is reflective over the y axis it is now not six to the right of the y axis, it is now 6 to the left.

W' ( -6,4)

W' (-6 4) is now reflected over the x axis.  Instead of being 4 units above the x axis, it is now 4 unit below

W" (-6,-4)

Functions h and k are inverse functions, and both are defined for all real numbers. Using this relationship, what is the value of each function composition?.

Answers

The value of each function composition is

koh(3) = 3 and hok(-4b) = -4b

Given, Functions h and k are inverse functions, and both are defined for all real numbers.

The functions h and k are inverse functions

A function is said to have an inverse function when it is one-one and onto both.

Also, the composition of function f and function g is defined as fog i.e. f is defined on the range of g and vice-versa.

Then, foh(x) = x for all the real numbers and also,

hof(x) = x for all the real numbers.

Therefore, the value of each function composition foh at x = 3 and hof at x = -4b is 3 and -4b respectively.

Hence, the value of each function composition foh at x = 3 and hof at x = -4b is

foh(3) = 3 and hof(-4b) = -4b.

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Directions: Find the interior angle sum for each regular polygon. Round your answer to the nearest tenth if necessary.
This polygon's angles measure
???
degrees.

Answers

Answer:

below

Step-by-step explanation:

The SUM of a n-gon 's interior angles formula is :

  SUM = ( n-2) * 180       n = 7 for this figure ( 7 angles)

    (7-2) * 180  = 900 degrees    

  EACH angle in this REGULAR polygon is then 900 / 7 = 128.57°

Independent random samples taken at two companies provided the following information regarding annual salaries of the employees. The population standard deviations are also given below. Company A Company B Sample Size 72 50 Sample Mean (in $1000) 48 43 Population Standard Deviation (in $1000) 12 10 a. We want to determine whether or not there is a significant difference between the average salaries of the employees at the two companies. Compute the test statistic. b. Compute the p-value; and at a=.05, test the hypotheses. c. Which company, if either, appears to have the higher salary? Provide a 95% confidence interval for the difference between the population mean salary of employees for the two companies.

Answers

a 95% confidence interval for the variation in the average employee salary for the two companies.

a. The test statistic is calculated by subtracting the sample mean of Company A from the sample mean of Company B, and then dividing the result by the square root of the variance, which is calculated by summing the population standard deviations of Company A and Company B, and then dividing by the sum of the sample sizes of Company A and Company B.

Test statistic = (48 - 43) / √(12^2 + 10^2) / (72 + 50) = 0.766

b. The p-value is calculated by using the test statistic to look up the value in a t-distribution table with degrees of freedom equal to the sum of the sample sizes minus two. The p-value is 0.239.

At a=.05, the null hypothesis that there is no difference between the average salaries of the employees at the two companies cannot be rejected.

c. Company A appears to have the higher salary. The 95% confidence interval for the difference between the population mean salary of employees for the two companies is (3.073, 5.927).

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Simplify to a single power of 6:​​

Answers

Answer: its 4

Step-by-step explanation: trust me bro i had this question too

10+\frac{3}{4}y=
10+
4
3

y=
\,\,43
43

Answers

Um, is there a possibility that you could clean this question up a bit? It is a little scrambled and hard to make out of the equation given. Thanks!

in math, a statement that shows that two expressions are equal.

Answers

Answer:

= this is that two expression two equal numbers

Whats the surface area of the triangular prism?

Answers

Answer:

426 cm^2

Step-by-step explanation:

Suppose we observe an unending sequence of days on which the umbrella appears. show that, as the days go by, the probability of rain on the current day increases monotonically toward a fixed point. calculate this fixed point.

Answers

The probability computed is <0.8967,0.1033> which roughly shows that, as 90 days pass by, the probability that it will rain on a given day will be increasing monotonically towards a fixed point.    

The chance that an event will occur ranges between 0 and 1. Where 0 shows that the event is impossible to occur and 1 shows that the event is bound to occur. If the chance of occurring an event is more than the chance of its not occurring then, it is more likely that the event will occur.

If we take the example of tossing a coin, we can say that the probability that a head will occur or a tail will occur will remain the same, i.e., 50%. The occurrence of heads or tails is equally likely.

These mathematical standards are used in varied fields of gambling, technology, finance, architecture, philosophy, science, etc.

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Suppose y varies directly as x. Write a direct variation equation that relates x and y. Then solve.
​If y = -4 when x = 2, find y when x = 3 .

ur answer should have ,-6

Answers

When X = 3 then Y = -6

Here is the explanation:

If Y1 = -4 when X1 = 2

and if X2 = 3 when Y2 = ?

The formula is

[tex]\frac{Y2}{X2} =\frac{Y1}{X1}\\\\Y2 = \frac{Y1}{X1} x X2\\\\Y2=\frac{-4}{2}x3\\\\Y2=-6[/tex]

Hence if X = 3 then Y = -6

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which congruence theorem can be used to prove δabr ≅ δacr? a aas b sss c asa d sas

Answers

Congruence theorem used here are;-

1. HL theorem

2. SAS theorem

3. SSS theorem

Given,

Triangles ACR and ABR have a common side (hypotenuse of two right triiangles).

ABR and ACR form a right angle.

The AB and AC sides line up.

The BR and CR sides line up.

1. The HL theorem can be used since two triangles have congruent hypotenuses and pairs of legs.

2. Because two triangles contain two pairs of congruent legs and a pair of included right angles between these legs, you can utilize the SAS theorem.

3. Because two triangles have two pairs of congruent legs and congruent hypotenuses, you can utilize the SSS theorem.

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Question is incomplete. Completed question is given below;-

Which congruence theorems can be used to prove ΔABR ≅ ΔACR? Select three options.

Triangles A B R and A C R share side A R. Angles A B R and A C R are right angles. Sides A B and A C are congruent. Sides B R and C R are congruent.

HL

SAS

SSS

ASA

AAS

Find x: 2x=1

X=1/2

X=1

X=2

X=-1

Answers

Answer: x = 1/2

Step-by-step explanation:

2(1/2)=1
1=1

Drag and drop the answer into the box to match each point to its coordinates.

Answers

The required Co-ordinates are A(-0.5, -0.25), B(-2.5, 1.5) and C(0.25, 0.5).

How to calculate points on the graph?

To diagram a point, first find its situation on the x-axis, then track down its area on the y-hub, lastly plot where these meet. The middle place of the chart is known as the  origin  and is composed as the point (0, 0) since it's situated at the no point on the x-axis and the no point on the y-axis.

What are Co-ordinates ?

The distance of a point from y-hub scaled with the x-hub is called abscissa or x direction of the point. The distance of a point from x-pivot scaled with the y-hub is called ordinate. The abscissa and ordinate all together are called organizes.

According to question:

Now we find the co-ordinates of points on the graph,

Point A(-0.5, -0.25)

Point B(-2.5, 1.5)

And

Point C(0.25, 0.5)

Thus, required points are A(-0.5, -0.25), B(-2.5, 1.5) andC(0.25, 0.5).

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the strong law of large numbers states that, with probability 1, the successive arithmetic averages of a sequence of iid random variables converge to their common mean . what do the successive geometric averages converge to? t

Answers

The successive geometric averages of a sequence of iid random variables converge to the common geometric mean.

the strong law of large numbers states that, with probability 1, the successive arithmetic averages of a sequence of iid random variables converge to their common mean . The successive geometric averages of a sequence of iid random variables converge to the common geometric mean. The Geometric Mean (GM) in mathematics is the average value or mean that, by calculating the product of the values of a collection of numbers, denotes the central tendency of that set of numbers. In essence, we multiply the numbers collectively and take the nth root of the multiplied numbers, where n is the total number of data values.

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You are sent to the store to buy sliced meat for a party. You are told to get
roast beef and turkey, and you are given $30. Roast beef is $4.29/lb and
turkey is $3.99/lb. Write an equation in standard form to relate the pounds
of each kind of meat you could buy at the store with $30.

Write an expression for how much money is spent on roast beef?

Answers

Answer:

The Answer is 4.29x + 3.99y = 30

The equation c = 10.75p represents the proportional relationship between the total cost (c) and the number of pounds (p) of shrimp at a grocery store.

Which description is true based on the equation of the proportional relationship?

For $0.09, you can buy 1 pound of shrimp.
For $1, you can buy 10.75 pounds of shrimp.
For $10.75, you can buy 10.75 pounds of shrimp.
For $10.75, you can buy 1 pound of shrimp.

Answers

Answer: For $1, you can buy 10.75 pounds of shrimp.

Step-by-step explanation: Because p represents pounds and there are 10.75 lbs, and c represents cost. Therefore the answer is: For $1, you can buy 10.75 pounds of shrimp.

Study the sequences (0, 6, 12, 18, 24, . . .) and (1, 6, 36, 216, 1,296, . . .), and answer these questions:

Which of the two sequences is an arithmetic sequence?
What is the common difference of the arithmetic sequence?
Can you think of any other mathematical relationship that exhibits a common difference between numbers?

Answers

Answer:

Step-by-step explanation:

In the first sequence, subtracting the previous term from each term starting from the second one gives these values: (0, 6, 12, 18, 24, . . .) is an arithmetic sequence.

How to find the common difference in the arithmetic sequence?

Common difference =  second term - first term

The difference between the terms is constant. This sequence is an arithmetic one, with the common difference being 6.

Common difference = 6.

Just by looking at the terms in the second sequence,

(1, 6, 36, 216, 1,296, . . .), the difference between the consecutive terms is not common. This sequence is not an arithmetic sequence because it is based on the multiply by 6 rule.

Like arithmetic sequences, linear equations show a common difference between numbers.

Answer: In the first sequence, subtracting the previous term from each term starting from the second one gives these values:

6 – 0 = 6, 12 – 6 = 6, 18 – 12 = 6, and 24 – 18 = 6.

The difference of the terms is constant. This sequence is an arithmetic one, with the common difference being 6.

Just by looking at the terms in the second sequence, (1, 6, 36, 216, 1,296, . . .), it’s clear that the difference of the consecutive terms is not common. This sequence is not an arithmetic sequence because it is based on the multiply by 6 rule.

Like arithmetic sequences, linear equations show a common difference between numbers.

Step-by-step explanation: Edmentum Answer

a number, y, is equal to twice the sum of a smaller number and 3. the larger number is also equal to 5 more than 3 times the smaller number. which equations represent the situation? 2 x minus y

Answers

The final two equations which represent the given situation are:

2x - y = -6 and 3x - y = -5.

What is the linear equation?

A linear equation is an algebraic equation of the form y=mx+b, where m is the slope and b is the y-intercept, and only a constant and a first-order (linear) term are included. The variables in the preceding equation are y and x, and it is occasionally referred to as a linear equation of two variables.

Suppose,

The larger number is 'y' and the smaller number is 'x'.

First relation,

'y' is equal to twice the sum of a smaller number (x) and 3. So we represent this as:

y = 2(x+3)

y = 2x + 6

2x - y = -6                     ............(1)

Second relation,

The larger number (y) is equal to 5 more than 3 times the smaller number (x). So we represent this as:

y = 5 + 3x

3x - y = -5                     .............(2)

Hence, the final two equations which represent the given situation are:

2x - y = -6 and 3x - y = -5.

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What is the equation of the line that passes through the point (−3,4) and has a slope of −2?

Answers

Answer:

y=−2x−2

Step-by-step explanation:

y=-2x-2 because i said so

At 1,000 units of output, the fixed cost of production is $12,500 per week. Total cost of producing 1,000 units per week is $28,500 per week. The variable cost of producing 1,000 units of output per week is equal to _____.

Answers

The variable cost of producing 1000 units per week is equal to $16000.

Variable costs are those that change with volume. Raw materials, piece-rate labour, production supplies, commissions, shipping costs, packing costs, and credit card fees are examples of variable costs. The variable costs of production are referred to as "Cost of Goods Sold" in some accounting accounts.

Given,

Fixed cost of production per week =$12500

Total cost of producing 1000 units per week =$28500

then,

variable cost of producing 1000 units per week = 28500-12500=$16000

Thus, the variable cost of producing 1000 units per week is equal to $16000.

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On a coordinate plane, a line goes through (negative 1, 1) and (0, negative 3). a point is at (negative 4, negative 3) and (0, negative 3). what is the equation, in point-slope form, of the line that is perpendicular to the given line and passes through the point (−4, −3)? y 3 = −4(x 4) y 3 = –one-fourth(x 4) y 3 = one-fourth(x 4) y 3 = 4(x 4)

Answers

The equation of the required line would be x - 4y = 8.

What is the slope-point form of the line?

Point-slope is the general form y-y₁=m(x-x₁) for linear equations. It emphasizes the slope of the line and a point on the line (that is not the y-intercept).

A line goes through the point (-1, 1) and (0,-3)

so the slope of the given line would be:

                     [tex]m=\frac{y_2-y_1}{x_2-x_1}\\\\m=\frac{-3-1}{0-(-1)}\\\\m=-4[/tex]

And we have to find the line which passes through the point (-4, -3) and the required line is perpendicular to the given line.

As we know the product of slopes of perpendicular lines is -1.

So the slope of the required line would be = 1/4

By using a slope-point form of the line, we get

    [tex]y - y_1=m(x-x_1)\\\\y-(-3)=\frac{1}{4}(x-(-4))\\\\4(y+3)=x+4\\\\4y+12=x+4\\\\x-4y=8[/tex]

Hence, the equation of the required line would be x - 4y = 8.

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Answer:

C

Step-by-step explanation:

New game You pay 10 and roll a 6 die. If you get a you win 50 If not, you get to roll again. If you get a 6 this time, you get your 10 back.a) Create a probability model for this game.b) Find the expected value and standard deviation of your prospective winnings.c) You play this game five times. Find the expected value and standard deviation of your average winnings.d) 100 people play this game. What's the probability the person running the game makes a profit?

Answers

The probability mode for the given value is created. The expected value and standard deviation of prospective winnings are -$0.28 and $18.33. The expected value and standard deviation if the game is played five times are -$1.40 and $40.99. The probability that the person running the game makes a profit is 0.561.

Probability is a way to determine how likely something is to happen. It is computed by dividing the frequency of the event by the total number of outcomes. The formula then becomes P(X) = frequency of the event÷total number of outcomes.

The product of the probabilities determines the likelihood that two or more occurrences will coincide. This is given by, P(A and B) = P(A)P(B).

a) To create a probability model follow the steps. Let X is an occurrence of an event.  The table is attached here.

b)  The expected value is calculated using the formula, E(X) = μ = ∑ x P(x).

[tex]\begin{aligned}E(X)=\mu&=x_1p_1+x_2p_2+x_3p_3\\&=40\left(\frac{1}{6}\right)+0\left(\frac{5}{36}\right)+(-10)\left(\frac{25}{36}\right)\\&=-\$ 0.28\end{aligned}[/tex]

Also,

[tex]\begin{aligned}E(X^2)&={x_1}^{2}p_{1}+{x_2}^{2}p_{2}+{x_3}^{2}p_{3}\\&=(40)^2\frac{1}{6}+(0)\frac{5}{36}+(-10)^2\frac{25}{36}\\&=(1600)\frac{1}{6}+(0)\frac{5}{36}+(100)\frac{25}{36}\\&=266.67+69.44\\&=336.11\end{aligned}[/tex]

And the standard deviation is calculated using the formula, σ=√Var[X].

[tex]\begin{aligned}\sigma=\sqrt{\text{Var}(X)}&=\sqrt{E(X^2)-E(X)^2}\\&=\sqrt{336.11-0.08}\\&=\sqrt{336.03}\\&=\$18.33\end{aligned}[/tex]

c) The expected value and standard deviation for playing the game 5 times are calculated as follows.

The expected value is,

[tex]\begin{aligned}5\times E(X)&=5(-\$0.28)\\&=-\$1.40\\\end{aligned}[/tex]

The standard deviation is,

[tex]\begin{aligned}\sigma&=\sqrt{5\times\tex{Var}(X)\\&=\sqrt{5\times336.03\\&=\sqrt{1680.15}\\&=\$40.99\end{aligned}[/tex]

d) The dice rolling is random and the winning chance is independent. The probability the person running the game makes a profit (P(x<0)) is given by,

The population mean, μ(Y) = -$0.28

The standard deviation for a population of 100 is,

[tex]\begin{aligned}\sigma&=\sqrt{\frac{\text{Var}(X)}{n}}\\&=\frac{18.33}{\sqrt{100}}\\&=1.83\end{aligned}[/tex]

The z-score for mean winning is,

[tex]\begin{aligned}z&=\frac{x-\mu}{\sigma}\\&=\frac{0-(-0.28)}{1.83}\\&=0.153\end{aligned}[/tex]

For a person to make a profit, the mean winning of the player should be less than the z-score. Then,

The P-value from the z-table, P(z<0.153)=0.5608

The answer is 0.561.

The complete question is -

You pay $10 and roll a die. If you get a 6, you win$50. If not, you get to roll again. If you get a 6 this time, you get your $10 back. a) Create a probability model for this game. b) Find the expected value and standard deviation of your prospective winnings. c) You play this game five times. Find the expected value and standard deviation of your average winnings. d) 100 people play this game. What’s the probability the person running the game makes a profit?

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3. Can you find the ratio of AB to AC and the ratio of DE to EF?Its a written response type answer, so yes, no. And why or why not Priscilla owns a factory that produces kayaks. She is trying to decide whether to continue using her one of her current pieces of equipment or replacing it with more updated equipment. Which of the following does Priscilla not need to consider?a. cost of the new equipment. b. the book value of the old equipment. c. annual operating cost of the new equipment d. book value of the old equipment the nurse is slowly advancing a nasogastric (ng) tube when the client begins to gasp and is unable to vocalize. which scenario has likely occurred? if the diathesis-stress model is compared to a gun, factors (biological/psychological) are what load the gun and factors (environmental) are what pull the trigger. TRUE/FALSE. inferential statistics allows a researcher to make inferences about a specific population based on data taken from a sample. recently, the symptoms that have been emphasized as the central impairments of adhd are o inattention and difficulty regulating motor behavior How can 1,000 as an exponential expression with 10 as the base the nurse on the cardiac unit is preparing to administer medications after receiving change of shift report. which medication should the nurse administer first? Which type of therapy includes changing problematic responses and maladaptive habits?. Why does it make sense that acetyl-coa stimulates the activity of pyuruvate carboxylase?. People who have smoked for years still can reduce their risk of heart attack if they quit smoking.A( trueB(false Select the conjecture with the rephrased statement of proof to show the diagonals of a parallelogram bisect each other.DAECBIn parallelogram ABCD, show triangle ADC is congruent to triangle CBAO In parallelogram ABCD, show triangle DEA is congruent to triangle CEBO In quadrilateral ABCD with AB congruent to CD and AD is congruent to BC, show ABCD is a parallelogramO In parallelogram ABCD, show DE is congruent to BE and AE is congruent to CE the nurse is completing an admission assessment for a client scheduled for back surgery after a construction accident. the nurse notes the client is having slowed speech and focus, irritability, yawning, and that he reports severe lumbar and right leg pain. the nurse suspects a nursing diagnosis of: Identify the rhetorical devices in this excerpt from a persuasive speech and explain the effect the author achieves with them mr. jones is admitted to the nursing unit from the emergency department with a diagnosis of hypokalemia. his laboratory results show a serum potassium of 3.2 meq/l (3.2 mmol/l). for what manifestations should the nurse be alert? What happens in a collision if both objects are moving?? And What happens in a collision if only one object is moving?? 50 pointssss Under her cell phone plan, Jocelyn pays a flat cost of $35 per month and $5 per gigabyte. She wants to keep her bill under $55 per month. Use the drop-down menu below to write an inequality representing gg, the number of gigabytes she can use while staying within her budget. write the two hardy-weinberg equations for a trimorphic gene, the equation for allele frequency and the equation for phenotype frequencies of individuals. the a string on a violin has a fundamental frequency of 440 hz. the length of the vibrating portion is 30.8 cm and has a mass of 0.343 g. under what tension must the string be placed? does the pair of equilibria produced by a saddle-node bifurcation have to consist of one that is stable and one that is unstable?