Answer:
6
Step-by-step explanation:
Answer:
-6
Step-by-step explanation:
DatGuy323! Sekkrit! U there? Find the factors of
x^2 + 7x + 6 = 0
Answer: x = -6, -1
Step-by-step explanation:
Factor
(x+6)(x+1)=0
To get 0 out of multiplication, you must have one term equal 0. Thus, either x+6 or x+1 must equal 0. Thus, x = -6,-1
Hope it helps <3
tyvm :)
Answer:
[tex]x=-1,\:x=-6[/tex]
Step-by-step explanation:
We can solve this question by applying a quadratic equation, but it would be easier to simply factor the equation. In other words, let's begin by factoring the expression [tex]x^2[/tex] + 7x + 6,
Break this expression down into groups - [tex]\left(x^2+x\right)+\left(6x+6\right)[/tex],
Factor out x from " [tex]\left(x^2+x\right)[/tex] " = [tex]{\quad }x\left(x+1\right)[/tex],
Respectively factor out 6 from " [tex]6x+6\mathrm{}[/tex] " = [tex]6\left(x+1\right)[/tex],
[tex]x\left(x+1\right)+6\left(x+1\right)[/tex] - and now we can group like terms - [tex]\left(x+1\right)\left(x+6\right)[/tex]
Since we have factored this expression, let's make it equivalent to 0, and solve for x. By the Zero Factor Principle we should receive two solutions,
[tex]\left(x+1\right)\left(x+6\right)=0[/tex],
[tex]x+1=0: x=-1[/tex] / [tex]x+6=0: x=-6[/tex],
The solutions to this equation should thus be : [tex]x=-1,\:x=-6[/tex]
If 2^2.322 = 5 then what does 2^5.322 equal? Explain how you found your answer.
Answer:
40.002
Step-by-step explanation:
[tex]2^{5.322}[/tex] is 2 to the power of 5.322. Only way to find the exact decimal is to calculate in a calculator. When we do so we should get 40.002 as our answer.
The question says:
'If 2^2.322 = 5 then what does 2^5.322 equal? Explain how you found your answer. '
So we have to use the fact that 2^2.322 = 5, in order to work out what 2^5.322 equals
_______________________________________________
Remember the following indices rule:
a^m times a^n = a^(m+n)
So first we have to use the indice rule to split apart 2^2.322:
[tex]2^{2.322}=2^{2+0.322}=2^2\times2^{0.322}=4\times2^{0.322}[/tex]
Now we can substitute this into the original equation, and work out the approximate value for [tex]2^{0.322}[/tex]:
[tex]2^{2.322} = 5[/tex]
[tex]4\times2^{0.322}=5[/tex]
[tex]2^{0.322}=\frac{5}{4} =1.25[/tex]
Now lets use the indices rule again to split apart 2^5.322:
[tex]2^{5.322} = 2^{5+0.322}=2^5\times2^{0.322}= 32\times2^{0.322}[/tex]
From the previous equation, we worked out that [tex]2^{0.322} = 1.25[/tex]
Therefore:
[tex]2^{5.322} = 32 \times 1.25 = 40[/tex]
____________________
Answer:
40
A grocer wants to make a 10-pound mixture of berries and chocolate that he can sell for $3.48 per pound. If chocolate cost $5.40 per pound and berries cost $2.20 per pound, how many pounds of berries must he include in the mix?
Answer:
9
Step-by-step explanation:
Since he only has to buy one pound of chocolate to make it a berry chocolate mix, he can just put 9 pounds of berries into it. Why would he want to break even? Make some profits grocer or you are not going to be in that house for very long.
Manash is putting new tile on a kitchen counter. Each sheet of tile will cover 1.5 ft2.How many sheets of the tile will Manesh need to cover the whole counter
Answer:
12 tiles
Step-by-step explanation:
Find the diagram to the question attached below.
First we need to get the area of the whole counter as shown in the diagram.
Since the shape is made up of two rectangles, we will take the sum of their areas.
Area of a rectangle = Length × Breadth
Area of the counter = (2×4)+(2×5)
Area of the counter = 8+10
Area of the counter = 18ft²
If each sheet of tile will cover 1.5 ft², the amount of tiles needed to cover the whole counter = Area of the counter/Area of each sheet
= 18ft²/1.5ft²
= 12 tiles
Marta runs a mandarin-orange fruit stand. She is talking to an employee, Maribel, on the phone and trying to tell her the equation needed to figure out how many oranges to send to a certain customer. The equation is 50 + one-half m = 120. Which statement should Marta say that will communicate the correct equation? Select all that apply. Fifty times the number of oranges is half of one-hundred-and-twenty. Fifty more than half the number of the oranges is one-hundred-and-twenty. The difference of fifty and half of the number of oranges is one-hundred-and-twenty. The sum of fifty and half the number of oranges is the same as one-hundred-twenty. Fifty more than half of the number of oranges.
Answer:
Fifty more than half the number of the oranges is one-hundred-and-twenty.
The sum of fifty and half the number of oranges is the same as one-hundred-twenty.
Step-by-step explanation:
The equation is 50 + one-half m = 120.
Assume the number of oranges=m
50+1/2m=120
1/2m=120-50
1/2m=70
m=70÷1/2
=140
All statement that applies includes:
1. Fifty more than half the number of the oranges is one-hundred-and-twenty.
50+1/2m=120
2. The sum of fifty and half the number of oranges is the same as one-hundred-twenty.
50+1/2m=120
Martha can use the two statements above to communicate the correct equation
Answer:
B-Fifty more then half the number of the oranges is one-hundred-and-twenty
D-The sum of fifty and half the number of oranges is the same as one-hundred-twenty
Step-by-step explanation:
B and D are the answers i took the test before answering so your good with me please leave a thanks
study the diagram of circle K where JL and LM are tangent to circle K at points J and M respectively. Also JL=3x+10 and ML =7x-6
Answer:
22
Step-by-step explanation:
The answer is 22. You solve the equation 3x+10=7x-6 like so
3x+10=7x-6
-3 = -3
10= 4x-6
+6 +6
16=4x
x=4
You then plug in the value of x to the equation for LM.
7x-6 becomes 7*4-6 which is 22.
Assume m<22=35. Find the measure of all of the other angles in the figure given line L and line P are parallel.
PLEASE HELP!!! ASAP!!!
(Picture included)
Answer:
m∠1 = 145°
m∠3 = 35°
m∠4 = 145°
m∠5 = 145°
m∠6 = 35°
m∠7 = 35°
m∠8 = 145°
Step-by-step explanation:
In the picture attached,
line 'm' and line 'l' are the parallel lines and another line intersects these lines is a transverse.
m∠2 = 35°
Since ∠1 and ∠2 are supplementary angles,
m∠1 + m∠2 = 180°
m∠1 + 35° = 180°
m∠1 = 180° - 35°
m∠1 = 145°
∠1 ≅ ∠4 [Vertical angles]
m∠1 = m∠4 = 145°
∠2 ≅ ∠3 [Vertical angles]
m∠2 = m∠3 = 35°
∠3 ≅ ∠6 [Interior alternate angles]
m∠3 = m∠6 = 35°
Similarly, ∠4 ≅ ∠5 [Interior alternate angles]
m∠4 = m∠5 = 145°
∠6 ≅ ∠7 [Vertical angles]
m∠6 = m∠7 = 35°
The tip jar at a sandwich shop has been found to have a dollar value 0.65h + 1.25, where h is the number of
hours since the shop opened.
a. By how much is the value of the tip jar increasing per hour?
Answer:
H is showing how the amount of the tip jar is increasing over time
Step-by-step explanation:
Write the quadratic function in f(x)= a(x-h)^2+k form whose graph is shown.
f(x)=
Answer:
f(x) = - (x - 2)² + 2
Step-by-step explanation:
The equation of a parabola in vertex form is
y = a(x - h)² + k
where (h, k) are the coordinates of the vertex and a is a multiplier
Here (h, k) = (2, 2 ), thus
y = a(x - 2)² + 2
To find a substitute the point (0, - 2) into the equation
- 2 = a(- 2)² + 2 ( subtract 2 from both sides )
- 4 = 4a ( divide both sides by 4 )
a = - 1
Thus
f(x) = - (x - 2)² + 2
Points A, B, C, and D lie on a line consecutively so that AB = BC = CD = 6 in. Find the distance between the midpoints of segments AB and CD . Answer: Distance between midpoints is in
Answer: 12 inches
Step-by-step explanation:
Given that :
Points A, B, C, and D lie on a line consecutively so that AB = BC = CD = 6 in
Therefore, A, B, C and D lie on a line which has a distance of 6 inches between each consecutive point.
A could be taken as the starting point with and D taken the end of the line with B and C in between them.
For instance:
A = 6; B = 12 ; C = 18 ; D = 24
Midpoint of AB = (12 + 6) / 2 = 18/2 = 9
Midpoint of CD = (18 + 24) / 2 = 42/2 = 21
Distance between the Midpoint AB and CD equals:
Midpoint CD - Midpoint AB
(21 - 9) inches = 12 inches
Answer:
Step-by-step explanation:
12in
29. one of the following has always two points of parallel sides
A. Quadrilateral
B. Triangle
C. Rhombus
D. Pentagon
Answer:
c
Step-by-step explanation:
only rhombus satisfied the question
Answer:
C, Rhombus.
Step-by-step explanation:
A rhombus has 2 pairs of parallel sides. Also a rhombus has 4 congruent sides.
Please help me simplify this equation
Answer:
A. x
Step-by-step explanation:
1. Simplify parentheses
[tex]\frac{13*(x-3)+39}{13}[/tex]
2. Divide by 13
[tex](x-3)+3[/tex]
3. Basic math ([tex]x-3+3[/tex])
[tex]x[/tex]
Find the product -7(8+k)
Answer:
-56-7k
Step-by-step explanation:
=> -7(8+k)
Expanding brackets using distributive property
=> (-7*8) + (-7*k)
=> -56 + (-7k)
=> -56-7k
Answer:
-56 - 7k
Step-by-step explanation:
Use the distributive property.
-7(8 + k) = -7 * 8 + (-7) * k = -56 - 7k
The following expression models the total number of pizzas sold in an hour, where x represents the number of discount coupons
offered. 41x/5x+2+12
What does the constant term in the above function represents?
Answer:
A. The constant term 12 represents the number of pizzas sold in an hour if 0 discount coupons are offered.
Step-by-step explanation:
Below is the complete question
What does the constant term in the above function represents?
A. The constant term 12 represents the number of pizzas sold in an hour if 0 discount coupons are offered.
B. The constant term 12 represents the maximum number of pizzas sold in an hour.
C. The constant term 12 represents the amount of additional pizzas sold for each additional discount coupon offered.
D. The constant term 12 represents the number of discount coupons offered in an hour.
Put the following numbers in ascending order.
A.540 g
B.180,000 mg
C.0.8 tonnes
D.2.3 kg
Answer:
B, A, D, C
Step-by-step explanation:
Covert all units into grams.
540 g = 540 g
180,000 mg = 180g
0.8 tonnes = 800000 g
2.3 kg = 2300 g
Arrange in ascending order.
180,000 mg, 540 g, 2.3 kg, 0.8 tonnes
4. 5. 6. None of the choices are correct.
Answer:
A. 4
Step-by-step explanation:
Triangle ABD = Triangle BCD
Both hypotenuse are equal in length.
x + 2 = 3x - 6
x - 3x = -6-2
-2x = -8
x = 4
Hi !!
Find the value of x :
We have :
• x + 2
• 3x - 6
Match the values to find x :
x + 2 = 3x - 6
x - 3x = -6 - 2
-2x = -8
x = 8/2
x = 4
* 4 + 2 = 3(4) - 6
6 = 12 - 6
6 = 6
Equality is checked, it is an isosceles triangle
Both the correct value is 4.
Which is the best reason that a geologist might carry a small dropper bottle filled with hydrochloric acid when doing fieldwork?Which is the best reason that a geologist might carry a small dropper bottle filled with hydrochloric acid when doing fieldwork?
Answer:
"To search whether carbonate mineral content in another material" is the right answer.
Step-by-step explanation:
We want it just because it lets them better examine the calcareous. Once before in interaction against carbonate minerals, any drop of hydrogen peroxide can splash. Those who add this one to the fluid or acidic solution to see how resources respond that makes them know through substances where certain rocks can indeed be contained. Commonly aspects like calcite assistance and guidance.So that the above is the right answer.
If a pine tree grows 4 inches per year, how long will it take for the tree to reach a height of 13 feet?
Answer:
Should be 39 years.
there is 12 inches in a foot. and if the tree grows 4 inches every year, then in 3 years the tree would be 1 foot. 13 x 3 = 39, thus proving that in 39 years, it will be 13 feet tall. I may be wrong but this sounds correct.
Answer:
39 yr
Step-by-step explanation:
Convert "4 inches per year" to "feet per year:"
4 inches 1 ft
-------------- * --------- = (1/3) ft/yr
1 year 12 in
Now we know the growth rate. The time required to reach a certain height is
3 yr
-------- * 13 ft = 39 yr
1 ft
the volume of a cuboid is 180cm3. the base is a square with side length 6cm. calculate the height of the cuboid
Answer:
height = 5 cm
Step-by-step explanation:
The volume (V) of a cuboid is calculated as
V = A h ( A is the area of the base and h the height )
Here V = 180 cm³ , thus
6²h = 180 ( A of square = 6² = 36 )
36h = 180 ( divide both sides by 36 )
h = 5 cm
A student measured the volume of gas produced in 30 seconds from a
reaction between 2g of magnesium and 20cm' of 2 mol/dm hydrochloric
acid. The student repeated the experiment 5 times and the volumes
collected (cm) were: 13.5, 13.1. 17.5, 13.7 and 13.0. Calculate the mean,
discounting any anomalies.
Answer:
[tex]\boxed{Mean = 14.16}[/tex]
Step-by-step explanation:
Observation = 13.5, 13.1, 17.5, 13.7, 13.0
No. of Observations = 5
=> Mean = [tex]\frac{SumOfObservations}{NumberOfObservations}[/tex]
=> Mean = [tex]\frac{13.5+13.1+17.5+13.7+13.0}{5}[/tex]
=> Mean = [tex]\frac{70.8}{5}[/tex]
=> Mean = 14.16
Observation = 13.5, 13.1, 17.5, 13.7, 13.0
and the Mean is: 14.16
Brainlist if answered in time:
We recently got a litter of 12 puppies. You want to keep 3 and give away 9. How many different ways are there to do this?
Answer:
Basically this is a asking, in how many ways can we choose 3 pups from a litter of 12?
The formula is n! / [(r! *(n-r)!]
12! / (3! * 9!) =
12 * 11 * 10 / 6 =
220 ways
Step-by-step explanation:
Answer: normal way 12-9=3
Step-by-step explanation: a different way:12-x=3
Daniel expanded the expression as shown. Negative 2 (Negative 8 x minus 4 y + three-fourths) = negative 10 x minus 8 y minus 1 and one-fourth What errors did he make? Select three options. The first term should be positive. The second term should be positive. The last term should be Negative 1 and one-half, not Negative 1 and one-fourth. He divided Negative 8 by Negative 2 instead of multiplying Negative 8 by Negative 2. He did not simplify the expression completely.
Answer:
Options A, B and C are correct.
Step-by-step explanation:
The given expression is
[tex]-2\left(-8x-4y+\dfrac{3}{4}\right)[/tex]
Using distributive property, we get
[tex]-2(-8x)-2(-4y)-2\left(\dfrac{3}{4}\right)[/tex]
[tex]16x+8y-\dfrac{6}{4}[/tex]
[tex]16x+8y-\dfrac{3}{2}[/tex]
[tex]16x+8y-1\dfrac{1}{2}[/tex]
It is given that Daniel expanded the expression as
[tex]-2\left(-8x-4\dfrac{3}{4}\right)=-10x-8y-1\dfrac{1}{4}[/tex]
The first term should be positive.
The second term should be positive.
The last term should be Negative 1 and one-half, not Negative 1 and one-fourth.
Therefore, options A, B and C are correct.
Answer:
Option 1,2,3
Step-by-step explanation:
got it right
Write the equation of the line parallel to 2x - 6y = 12 that passes through the point ( -1, 4).
Answer:
y = 1/3x + 4 1/3
Step-by-step explanation:
2x - 6y = 12
First find the slope
Solve for y
Subtract 2x
2x - 6y -2x= 12-2x
-6y = -2x+12
Divide by -6
-6y/-6 =-2x/-6 +12/-6
y = 1/3 x -2
The slope is 1/3
Parallel lines have the same slope
Using the slope intercept form y = mx+b where m is the slope and b is the y intercept
y = 1/3x +b
And substituting in the point
4 = 1/3 (-1) +b
4 = -1/3 +b
Add 1/3 to each side
4 + 1/3 = b
y = 1/3x + 4 1/3
The population 3, 4, 9, 14, and 20 has a mean of 10 and a standard deviation of 6.356. The z-scores for each of the five data values are z3 ≈ −1.101, z4 ≈ −0.944, z9 ≈ −0.157, z14 ≈ 0.629, and z20 ≈ 1.573. Find the mean and the standard deviation of these z-scores.
Answer:
First, we find the square of the difference of the z values provided and sum them up giving us a value of 4.997956. We, therefore, calculate the sum of the sample mean given the number of samples to be 5 which gives us zero(0).
To calculate the standard deviation we use the formula that takes the square root of the inverse of the number of samples (n)*(the summation of the square of the difference between the sample and the mean which gives us 1.
*Step-by-step explaination
Given z3= -1.101, (z3 minus mean of z3)^2= 1.212201
Given z4= -0.944, (z4 minus mean of z4)^2=0.891136
Given z9= -0.157, (z9 minus mean of z9)^2= 0.024649
Given z14= 0.629, (z14 minus mean of z14)^2= 0.395641
Given z20= 1.573, (z20 minus mean of z20)^2= 2.474329
Therefore the summation of all Z values = Zero(0)
Also, the summation of (z values minus the mean of z values)^2= 4.997956
Therefore where n =5,
The sample mean of z values is given by the summation of z values divided by n = Zero (0)
To calculate standard deviation we use the formula that takes the square root of the inverse of the number of samples (n)*(the summation of the square of the difference between the sample and the mean which gives us 1.
Using it's concepts, it is found that:
The mean of the z-scores is 0.The standard deviation of the z-scores is 1.The mean of a data-set is the sum of all elements in the data-set, divided by the number of elements.The standard deviation of a data-set is the sum of the difference squared between each value and the mean, divided by the number of values.
In this problem, the observations are: -1.101, -0.944, -0.157, 0.629 and 1.573.
Hence:
[tex]M = \frac{-1.101 - 0.944 - 0.157 + 0.629 + 1.573}{5} = 0[/tex]
The mean of the z-scores is 0.
[tex]S = \sqrt{\frac{(-1.101-0)^2 + (-0.944-0)^2 + (-0.157-0)^2 + (0.629-0)^2 + (1.573-0)^2}{5}} = 1[/tex]
The standard deviation of the z-scores is 1.
A similar problem is given at https://brainly.com/question/24754716
Why did the women of Seneca Falls choose to echo the language in the Declaration of Independence? Write one sentence to explain your answer.
Answer:
Step-by-step explanation:
The women of the Seneca Falls Convention choose to echo the language of the Declaration of Independence for multiple reasons including:
A) Evoke an emotional response- The Declaration of Independence is often referred to in important speeches as a way to remind Americans of the reasoning for why we became a free nation during the late 18th century.
B) Show that they deserve similar rights to men- The Declaration of Independence says that "all men" are created equal. The women of this convention changed that wording to say that all people are equally and deserve equal treatment in the eyes of the law.
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Answer:
They were declaring their own independence.
They were claiming that the declaration of independence applied to women as well as men.
They were pointing out that men claimed rights for themselves that were denied to women.
They were appealing to the patriotism and emotions of the public.
Step-by-step explanation:
edge 2020
PLZZ HELP URGENT!!! In a fruit cocktail, for every 25 ml of orange juice you need 30 ml of apple juice and 45 ml of coconut milk. What proportion of the cocktail is coconut milk? Give your answer as a fraction in its simplest form.
Answer:
45/100 or 9/20
Step-by-step explanation:
OJ:AJ:CM
25:30:45
25+30+45=100
so it would literally be:
Orange Juice: 25%
Apple Juice: 30%
Coconut Milk: 45%
What is the value of r? What is the length of segment EF? units
Answer:
The value of r is 9 and the length of segment EF is 55 units. Opposite sides are equal. Hence, the value of r is 9 and the length of segment EF is 55 units.
Answer:
r = 9
EF = 55
Step-by-step explanation:
9r - 6 = 8r + 3
9r - 8r = 3 + 6
r = 9
4r + 19 = 4(9) + 19 = 36 + 19 = 55
solve for c 8/3c -2= 2/3c-12
Answer: C = -5
Step-by-step explanation:
You have to add two on both sides and the remove 2/3 on both sides. Hope this helps
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[tex]\text{Solve for c:}\\\\\frac{8}{3c-2}=\frac{2}{3c-12}\\\\\text{Cross multiply}\\\\8(3c-12)=2(3c-2)\\\\24c-96=6c-4\\\\\text{Subtract 6c from both sides}\\\\18c-96=-4\\\\\text{Add 96 to both sides}\\\\18c=92\\\\\text{Divide both sides by 18}\\\\c=\frac{92}{18}\\\\\text{Simplify}\\\\\boxed{c=\frac{46}{9}}[/tex]
Estimate the circumference of a circle that has a diameter of 13 yards.
______yd
Answer:
The answer is 40.8 ydStep-by-step explanation:
Circumference of a circle is πd
where d is diameter
diameter is 13 yards
Circumference of the circle is
π × 13 yd
= 13π
= 40.8yd to one decimal place
Consider this function. f(x) = x + 4 Which graph represents the inverse of function f?
A.) W
B.) X
C.) Y
D.) Z
Answer:
C
Step-by-step explanation:
just took the unit test
Graph Y represents the inverse of function f.
What is the inverse of a function?In mathematics, the inverse function of a feature f is a function that undoes the operation of f.
How do you find an inverse of a function?To find the inverse of a function, write the function y as a function of x i.e. y = f(x) after which solve for x as a function of y.
Learn more about the inverse of a function here brainly.com/question/24992590
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