What is the value of Negative 3 squared + (negative 4 + 7) (2)?
–28
–3
3
15
I am on a unit test hurry please

Answers

Answer 1

-3^2+(-4+7)(2)

answer = 15

Answer 2

Answer:

15

Step-by-step explanation:

a negative number squared is positive, so its 9 + (-4 + 7)*2. 7-4 is 3, which we then multiply by 2 to get 6. Now add that to 9 to get 15.

Hope this helps!


Related Questions

Find the missing angle:




FRT=_____________

Answers

The answer is 45
Hope this helps

Write an equation that represents the line. Use exact numbers

Answers

Answer: [tex]\boxed{y=\frac{3}{4}x- \frac{9}{2} }[/tex]

Step-by-step explanation:

Given the points: (2, -3) and (-2, -6)

using the slope formula, lets calculate the slope,

[tex]\frac{-6+3}{-2-2} =\frac{3}{4}[/tex]

Using point-slope form lets solve,

[tex]y+3=3/4(x-2)\\\\\boxed{y=\frac{3}{4}x- \frac{9}{2} }[/tex]

Sorry for the reupload I just need some help on this question please thank you
(Comparing Two Linear Functions)

Answers

The equation that represent each situation, in terms of x, is

A = 19 + 0.50xB = 13 + 1.50x

The number of monthly movies watched, x, that would make the two plans have an equal monthly cost is 6 movies.

How to write and solve equation?

Let

Monthly cost of plan A = AMonthly cost of plan B = BNumber of monthly movies watched = x

Plan A:

A = 19 + 0.50x

Plan B:

B = 13 + 1.50x

Equate A and B

19 + 0.50x = 13 + 1.50x

collect like terms

19 - 13 = 1.50x - 0.50x

6 = x

Hence,

x = 6 movies

In conclusion, the number of monthly movies watched to have an equal amount is 6 movies.

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EXTRA POINTS!! Just Find the length of the missing side for the triangle below:


Round to the nearest tenth of a foot.
o 20.1 feet
o 26.5 feet
0 34.1 feet
© 23.6 feet

Answers

Answer:i is 20.1

Step-by-step explanation:

Two angles of a triangle have the same measure and the third one is 54 degrees greater than the measure of each of the other two. Find the measure of the LARGEST angle in the triangle.

Answers

Answer:

Step-by-step explanation:

obtuse.

Tessa has t times as many comic books as Joseph. Joseph has 14 comic books. Write an expression that shows how many comic books Tessa has

Answers

The expression that shows how many comic books Tessa has is 14t

How to determine the expression?

From the question, we have the following parameters that can be used in our computation:

Tessa = t times as many as Joseph

Joseph = 14 comic books

These parameters means that

Tessa = t times Joseph

So, we have

Tessa = t * Joseph

Substitute the known values in the above equation, so, we have the following representation

Tessa = t * 14

Evaluate

Tessa = 14t

Hence, the expression is 14t

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Find the length of LK. Show or Explain your work.

Answers

Answer:

3

Step-by-step explanation:

LK is around half of AB, which is 6. Half of 6 is 3.

BRAINLIEST PLEASE!

Write as many figure names as possible for the book cover

Answers

Me and my family were going to the beach

What's the domain of f(x)=log(5x+10)+3?

Answers

The domain of a function is the set of all possible input values that the function can take without breaking. In the case of f(x) = log(5x+10) + 3, the domain is all real numbers x such that 5x+10 is greater than 0. This is because the log function is not defined for values less than or equal to 0.

To find the domain of f(x), we need to solve the inequality 5x+10 > 0. We can do this by subtracting 10 from both sides of the inequality, which gives us 5x > -10. Dividing both sides by 5 gives us x > -2. Therefore, the domain of f(x) = log(5x+10) + 3 is all real numbers x such that x > -2.

HELPPPP!!!!! 30 POINTSSS!!!!!1
Which of the following scatter plots shows a negative correlation?

Answers

The scatterplot that shows a negative correlation is graph (b)

How to determine the scatter plots that shows a negative correlation?

In this question, the graphs represent the given parameter

From the graphs, we have the following observations

The x values is on the horizontal axisThe y values is on the vertical axis

To determine the graph with a negative correlation, we make use of the following statements

When the change (increase) in the x values causes a change (increment) in the y values, then the correlation is positiveWhen the change (decrease) in the x values causes a change (decrement) in the y values, then the correlation is positive

From the list of options, we have

Graph (b) that shows increase - decrease relationship

Hence, the scatter plot is (b)

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Aarav has budgeted $300 to spend on hanging planters and raised garden beds. Each hanging planter costs $16, and a raised bed costs 1. 5 times as much as a hanging planter

Answers

Hence, the budgeted cost left in his saving is [tex]300-24=276[/tex] $.

What is the cost?

The concept of cost is a key concept in Economics. It refers to the amount of payment made to acquire any goods and services.

Here given that,

Aarav has budgeted $ [tex]300[/tex] to spend on hanging planters and raised garden beds. Each hanging planter costs $ [tex]16[/tex], and a raised bed costs [tex]1. 5[/tex] times as much as a hanging planter.

So,

The total cash he used to buy the hanging planter is [tex]16(1.5)=24[/tex]$.

So, the budgeted cost left in his saving is [tex]300-24=276[/tex] $.

Hence, the budgeted cost left in his saving is [tex]300-24=276[/tex] $.

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If using the method of completing the square to solve the quadratic equation x^2-16x+37=0 which number would have to be added to "complete the square"?

Answers

Answer:

-27

(negative number)

Step-by-step explanation:

-b/2a = -(-16)/2(1) = 16/2 = 8

                       x       +          8

                 x   x^2                8x

                 +

                 8    8x                64

So we got 64, but 64 is not 37 so we need to change that by subtracting 27 from it.

64 - 27 = 37

So the final answer (in vertex form) is:

(x+8)^2 - 27

(-27) is the number being added

1600 with a 6% interest rate

Answers

The simple interest on 1600 with a 6% interest rate for 2 years is $192.

What is the simple interest?

The simple interest simply means the method that's used to calculate the interest that's charged on a loan or money given out.

In this situation, we want to calculate the simple interest on 1600 with a 6% interest rate for 2 years. This will be calculated thus:

Simple interest = Principal × Rate × Interest

Simple interest = $1600 × 6% × 2

Simple interest = $1600 × 0.06 × 2

Simple interest = $192

The interest is $192.

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Complete question

Calculate the simple interest on 1600 with a 6% interest rate for 2 years.

Can you PLEASE Help!!!!!!

Answers

The given function in slope-intercept should be used to complete the table of values as follows;

x                     y

9                    4

6                    2

0                    -2

-3                   -4

A function that relates the distance (d) traveled to the time (t) is d = 120t.

A graph of the function is shown in the image attached below and it is a linear function.

How to complete the table of values?

Mathematically, the slope-intercept form of a line can be calculated by using this equation:

y = mx + c

Where:

m represents the slope.x and y are the points.c represents the y-intercept.

Next, we would use the given function in slope-intercept to complete the table of values as follows;

When y = 9, the value of x is given by:

y = 3x/2 + 3

9 = 3x/2 + 3

3x/2 = 9 - 3

3x/2 = 6

3x = 12

x = 12/3

x = 4.

When y = 6, the value of x is given by:

y = 3x/2 + 3

6 = 3x/2 + 3

3x/2 = 6 - 3

3x/2 = 3

3x = 6

x = 6/3

x = 2.

When y = 0, the value of x is given by:

y = 3x/2 + 3

0 = 3x/2 + 3

3x/2 = -3

3x = -6

x = -6/3

x = -2.

When y = -3, the value of x is given by:

y = 3x/2 + 3

-3 = 3x/2 + 3

3x/2 = -3 - 3

3x/2 = -6

3x = -12

x = -12/3

x = -4.

How to write a function for the distance and time?

Mathematically, a constant of proportionality (speed) for this train's journey (distance) can be represented with the following mathematical expression:

d = kt

Where:

d represents the distance.t represents the time.k represents the constant of proportionality (speed).

Next, we would determine the constant of proportionality (k) as follows:

Constant of proportionality (k) = d/t

Constant of proportionality (k) = 360/3

Constant of proportionality (k) = 120

Therefore, the required function that relates the distance (d) and time (t) is given by;

d = kt

d = 120t

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K
The mean percent of childhood asthma prevalence in 43 cities is 2.38%. A random sample of 31 of these cities is selected. What is the probability that the mean childhood asthma
prevalence for the sample is greater than 2.8 % ? Interpret this probability. Assume that o=1.40%.
The probability is
(Round to four decimal places as needed.)
#
#
√i
S
i
(0,0)
3
More
033
Exit session
Dec 2 2:44 O

Answers

Answer:

P(X > 2.6) = 0.0475 = 4.75%

Step-by-step explanation:

Let X is the random variable that represents percent of childhood asthma prevalence.

We want to find out the probability that the  mean childhood asthma prevalence for the sample is greater than 2.6%

The z-score corresponding to 1.67 is 0.9525

P(X > 2.6) = 1 - 0.9525

P(X > 2.6) = 0.0475

P(X > 2.6) = 4.75%

Therefore, there is 4.75% probability that the mean childhood asthma prevalence for the sample is greater than 2.6%

How to use z-table?

Step 1:

In the z-table, find the two-digit number on the left side corresponding to your z-score. (e.g 1.6)

Step 2:

Then look up at the top of z-table to find the remaining decimal point in the range of 0.00 to 0.09. (e.g. if you are looking for 1.67 then go for 0.07 column)

Step 3:

Finally, find the corresponding probability from the z-table at the intersection of step 1 and step 2.

100 points for correct answer

Answers

Answer:

[tex]\dfrac{x}{3}+\dfrac{3}{y}[/tex]

Step-by-step explanation:

Given fraction:

[tex]\dfrac{xy+9}{3y}[/tex]

[tex]\textsf{Apply the fraction rule} \quad \dfrac{a+b}{c}=\dfrac{a}{c}+\dfrac{b}{c}:[/tex]

[tex]\implies \dfrac{xy}{3y}+\dfrac{9}{3y}[/tex]

Rewrite 9 as 3 · 3:

[tex]\implies \dfrac{xy}{3y}+\dfrac{3 \cdot 3}{3y}[/tex]

Cancel the common factor y in the first fraction and the common factor 3 in the second fraction:

[tex]\implies \dfrac{x\diagup\!\!\!\!y}{3\diagup\!\!\!\!y}+\dfrac{\diagup\!\!\!\!3 \cdot 3}{\diagup\!\!\!\!3y}[/tex]

[tex]\implies \dfrac{x}{3}+\dfrac{3}{y}[/tex]

Aisha's softball coach can buy equipment for 8 players for $3080 or for 6 players for $2430. Which option is the better deal? Explain.

Answers

Answer:

Equipamiento para 8 jugadores

Explanation:

Porque la diferencia de dinero no es muy grande ni muy pequeña, por lo que obtienes equipamiento para más jugadores a un buen precio.

Equipment for 8 players

Explanation:

Because the difference in money is not very big and not very small, so you get equipment for more players at a good price. Here u go it’s in English from the answer on top!

PART A.By 6:00 A.M., the temperature had dropped 4 F, and then the temperature raised 10 F by noon.What is the temperature at noon?

PART B.What represents zero in this situation? Explain.

Answers

A. The temperature at noon will be 6°F.

B. The thing that represents zero in this situation is when the temperature is neither raised nor dropped and it's at the initial stage.

How to calculate the temperature?

Temperature is the measure of how hot or cold something is expressed in terms of one of several scales, which include Fahrenheit and Celsius. The direction in which heat energy will spontaneously flow is indicated by temperature.

A. From the information, by 6:00 A.M., the temperature had dropped 4 F, and then the temperature raised 10 F by noon.

The temperature at noon will be:

= -4°F + 10°F

= 6°F

The temperature at 0 simply means the initial temperature.

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HELP ME OUT PLEASEEEEE TANKS

Answers

n = 5 is the answer

Answer: N = 5

Step-by-step explanation:

PLEASE HELP

Find the missing ange:



RPQ= _____

Answers

The value of angle RPQ in the circle is 115 degrees.

How to find the angle in the circle?

The intersecting chords theorem, also known as the chord theorem, is an elementary geometry statement that describes a relationship between the four line segments formed by two intersecting chords within a circle.

If two chords intersect inside a circle, then the measure of the angle formed is one-half the sum of the measure of the arcs intercepted by the angle and its vertical angle.

Therefore,

∠RPQ = 1  / 2 (arc angle RQ + arc angle SA)

arc angle RQ = 175 degrees

arc angle SA = 55 degrees

Hence,

∠RPQ  = 1 / 2 (175 + 55)

∠RPQ  = 1 / 2 (230)

∠RPQ  = 115 degrees.

The angle is 115°.

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EIGHT TIMES THE RESULT OF SUBTRACTING 3 FROM A NUMBER IS EQUAL TO THE NUMBER INCREASED BY 25 WHAT IS THE NUUMBER

Answers

x = number
make equation
8(x - 3) = x + 25
Solve
8x - 24 = x + 25
+ 24. + 24
8x = x + 49
-x -x
7x = 49
Divide
x = 7
The number is 7

Determine the equation of the line that passes through the given point and is parallel to the given line Point: (3,-4) Line: y=-2/3x-2

Answers

Answer:

y=-2/3x+2

Step-by-step explanation:

multiply -2/3 by the x coordinate (3) and set up your equation in y=mx+b format using the y coordinate (-4=-2+b) -4/-2 is 2. Now keep your original slope and your equation is y=-2/3x+2

Please help, I will give brainliest to the fisrt person to answer CORRECTLY.

Answers

Answer: there will be 4/7 of 7/4 groups in 1. and for 3÷7/4=1.71428571429.

Step-by-step explanation: I hope this helps.

Set up the equation for the following word problem and solve the equation. Let y be the unknown number.

If a number divided by 3 is increased by 38, the result is 96.

Answers

If y is the unknown number, the equation of the line for the given condition is y/3+38=96 and the value of y will be 228.

What is the equation?

An equation is a statement that two expressions, which include variables and/or numbers, are equal. In essence, equations are questions, and efforts to systematically find solutions to these questions have been the driving forces behind the creation of mathematics.

It is given that, the condition is "If a number divided by 3 is increased by 38, the result is 96".

Let y be the unknown number.

The equation for the following word problem is,

y/3+38=96

The equation is solved in further steps,

(y+114)/3=96

y+114=96×3

y+114=342

y=342-114

y=228.

Thus, if y is the unknown number, the equation of the line for the given condition is y/3+38=96 and the value of y will be 228.

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help please quick question
[tex]f=\frac{x}{x-1}[/tex]
the domain is 1
composite f of f is: f(f(x))
finding the domain of the composite through [tex]\frac{x}{x-1} =1\\x=x-1\\0=-1\\[/tex]
using a graphing calculator, I know that a hole is at (1,1), but can I figure that out without using a graphing calculator and through the domain, say 1=0. Can somebody please just quickly explain this to me.

Answers

Step-by-step explanation:

What you are trying to do, it solve for the zeros of the rational function. To find the domain of composite function,

[tex] \frac{x}{x - 1} [/tex]

Substitute x/(x-1) for every x you see.

[tex] \frac{ \frac{x}{x - 1} }{ \frac{x}{x - 1} - 1} = \frac{x(x \\ - 1)}{1} = x(x - 1)[/tex]

We know that the function domain can not be 1, this functions works for all reals, so our domain is

All reals except 1.

Can someone please help me with this problem. And educate me on how to get the answer.

Answers

Answer: A, B and C

Step-by-step explanation:

Step-by-step explanation:

Given any three side lengths of a right triangle, the longest side is the hypotenuse.

The side lengths  of a right triangle must satisfy the Pythagorean Theorem.

Pythagorean Theorem:

Option A:

True

Option B: 2.5, 6, 6.5

Option C:

Since all are true, the side lengths in Options A, B and C forms a right triangle,

Answer:

Side lengths a , b , c form a right triangle if, and only if, they satisfy a² + b² = c² . We say these numbers form a Pythagorean triple

Step-by-step explanation:

Rectangle is36 square centimeter and it’s length 9 centimeter

Answers

The width of a rectangle when it's area is 36 square centimeter and it’s length 9 centimeter is 4vm.

What will the width be?

From rte information, the rectangle is 36 square centimeter and it’s length 9 centimeter. It should be noted that the the area of a rectangle is calculated thus:

Area = Length × Width

36 = Length × Width

Width = 36 / Length

Width = 36 / 9

Width = 4.

The width of the rectangle is 4cm

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Complete question

A Rectangle is36 square centimeter and it’s length 9 centimeter. Fund the width.

Find the total surface area of this cuboid. ​

Answers

Answer:

148cm

Step-by-step explanation:

Will give brainliest

Answers

Answer:

f(4) = 99

Step-by-step explanation:

22 times 4 is 88, 88 plus 11 is 99.

I need the equation to solve this problem

Answers

What equation to solve what problem?

I don’t see anything I can answer with
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