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Expand and simplify the following
6(x + 2) - 3(x + 4)

Answers

Answer 1
6(x+2)-3(x+4)

distributive property

6x+12-3x-12

combine like terms

3x

Related Questions

The scale of a square map indicates that each inch on the map
corresponds to 5 miles. Write an expression that describes the area of
land shown on the map. If the map is 8 inches on one side, what is the
area of land shown on the map?

Answers

Answer:

Area of land: 800 miles.

Step-by-step explanation:

Since the map is a square, you can assume that all 4 sides will equal 8 inches. (Giving you a perimeter of 32, and an area of 64.) Since each inch corresponds to 5 miles, you multiply 8 by 5 which equals 40.

Lines l and m are parallel and a and b are parallel. Find the measure of angle 10 if measure of angle 1 is 62.

please help

Answers

well since the lines l and m are straight, their measures would be 180. So if you subtract 62 from 180 you'd get angle 2=118. since angles 2 and 10 are the same angle, 10 would also have a measure of 118

Basically ur answer is angle 10=118

PLEASE DUE IN 20 MINUTES!!!!!!


Write the quadratic function in standard form.
f(x) = (x + 14)2

Answers

Answer:

Step-by-step explanation:

It's essential that you use the symbol " ^ " to indicate exponentiation.

Expanding f(x) = (x + 14)^2 results in x^2 + 28x + 196 (which is in standard form)

3x + x - 7 = 10

What does x=

Answers

First you add 3x+x because they are like terms.

3x+x-7=10  

Your New Simplified Equation:

4x-7=10  

Now, you have to take out the -7 by adding a positive 7. Also you                          have to add +7 on the other side so add 7 to 10.

Your New Simplified Equation:

4x=17      Now, you divide both sides by 4.

Your New Simplified Equation:

x= 17/4 So, that's your answer :)

Beverly used 2.4 yards of ribbon on the border of a quilt. If each side used 0.6 yard of ribbon, how many sides did she use the ribbon on? Draw models to help you divide.

Answers

Answer: She used 4 sides.

Step-by-step explanation:

2.4 ÷ 0.6 = 4

what is this expression simplified 5(2 + 2k)

Answers

Answer:

10 + 10k

Step-by-step explanation:


This expression simplified is k=0

what is -8(×+2)+2(×-1)=​

Answers

Answer:

-8x-16+2x-2

-4x = 18

x= -4.5 or -4 1/2

Step-by-step explanation:

Which rule describes the x-coordinates in the translation below?.
A.x + 0
B.x + 6
C.x - 6
D.x + 2​

Answers

I think the answer is D

PLZ HELP FASTTTTTT I NEED IT RN

Answers

Answer:

sorry i don't know

Step-by-step explanation:

A spinner is split in to six equal sections with the sections colored as labeled in the drawing
Emily rolls a number cube labeled 1-6 and spins the spinner

What is the probability of Emily rolling a 5 and spinning a yellow?​

Answers

Answer: 1/18

Step-by-step explanation:

Answer:

the answer is 1/36

Step-by-step explanation:

because 1/6 times 1/6 is equal to 1/36

Haley has $84, which is 7 times as much money as Kevin has. How much money does Kevin have? Select the correct solution method, using x to represent Kevin's money.​

Answers

x*7=84
84/7=x
12=x
Kevin has 12$


1.
Gina buys a new TV for $999.00. She buys during a promotion at the store where she gets a 12
percent discount. She will also pay eight percent in sales tax.
True or false: Gina will pay eight percent in tax on $999.00, the price of the TV.

options:

O True
O False

Answers

True it’s true because it’s true

Which is the least common multiple of 8 and 16?​

Answers

Answer:

The awnser is 2

Step-by-step explanation:

Your answer would be 2

Work out − 5 × ( − 8 )

Answers

negatives cancel out each other so 5x8 which is 40
answer: 40x
explanation: cross out the negatives then multiple 5x x8 which will be 40x

Your friend thinks that the equation k-3.5=21, is he correct? explain.

Answers

Answer:

This could be correct in the case and only if k would equal 24.5 so only in that case

Step-by-step explanation:

The side length of the base of a square pyramid is 30 centimeters. The height of the pyramid is 45 centimeters.
What is the volume of the pyramid in cubic centimeters?

Answers

Answer:

volume = 13500 [tex]cm^{3}[/tex]

Step-by-step explanation:

For a given pyramid, its volume can be determined by:

volume of pyramid = [tex]\frac{lwh}{3}[/tex]

Where: l is the base length, w is the base width and h id the height of the pyramid.

For the given question, l 30 cm, w = 30 cm and h = 45 cm.

So that,

volume = [tex]\frac{30*30*45}{3}[/tex]

            = [tex]\frac{40500}{3}[/tex]

            = 13500

volume = 13500 [tex]cm^{3}[/tex]

The volume of the pyramid is 13500 [tex]cm^{3}[/tex].

The volume of the square-based pyramid is [tex]13500cm^3[/tex]

The volume of a pyramid is given by

[tex]V=\dfrac{Ah}{3}[/tex]

where

[tex]A=\text{area of the square base}\\h=\text{perpendicular height}[/tex]

The area of the square base, [tex]A[/tex], is calculated as follows

[tex]A=side^2\\=(30cm)^2\\=900cm^2[/tex]

substitute the value of [tex]A[/tex], and [tex]h[/tex] ([tex]45cm[/tex]) into the volume formula to calculate the pyramid's volume

[tex]V=\dfrac{Ah}{3}\\\\=\dfrac{900\times 45}{3}\\\\=13500cm^3[/tex]

Therefore, the volume of the pyramid is [tex]13500cm^3[/tex]

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Is(1, 9)a solution to the inequality y ≤ 6x + 2?

Answers

Answer:

nope

Step-by-step explanation:

Answer:

No

Step-by-step explanation:

It wouldn't be 1,9 it would 1,8 instead also if need help with those an app called desmos helps a lot

What is the value of y? Show you’re work

Answers

Answer:

Y = 32

Step-by-step explanation:

First traingle is 180 degrees

So 180 - 52 = 128

Then 2y + 2y = 4y

So now 128/4 = 32

If you wanna checl ur answer just put the number in and check if it equal to 180

what answer is equal to -3(x-6)?

Answers

C is the correct answer

What value(s) of z makes the equation 7/6 Z + 1/3 = -5 / 6 true; Z = -1, Z= 2, Z= 1, or Z= -36 / 63?

Answers

Answer:

Z = -1

Step-by-step explanation:

to find which value of Z makes the equation true substitute each value of Z into the equation.

Z = -1

7/6(-1) + 1/3 = -5/6

-5/6=-5/6

all other values of Z will not give u an equal statement

Nyla incorrectly added the fraction 2/3,1/2 and 5/12 she said that to add fractions with different denominators you use the common denominator and add the numeratorsWhat is Nyla’s mistake?

Answers

Answer:

The denominators are not equal.

Step-by-step explanation:

Given a circle with endpoints of a diameter at-10 -1i and 6 + 11i, answer the questions below.
1. The center of the circle is at -2 +5i
2. The radius of the circle has a length of ___ units. ​

Answers

Answer: 10

Step-by-step answer:

Answer:

10

Step-by-step explanation:

I don't actually know how to find it, but that was the right answer on edge

Please someone help me with this math problem

Answers

Answer:

I would say A, and D


Can y’all help me on 23?!

Answers

So if the ratio of red to blue is 8:3 and there are 15 blue cars then there are 40 red cars.
If the ratio of red to white is 2:10 then then there are 200 white cars.

Explanation:
15 divided by 3 is 5. So you multiply 8 by 5 to get 40. 40:15 reduces to 8:3.

With 40 red cars the ratio of 2:10 would be made into 40:200.

The fractions/ratios have to remain proportional.

Which equation represents a line that passes through (0,–8) and (–5,–23)?

A) y = 4x – 8

B) y = –8x + 3

C) y = 5x – 8

D) y = 3x – 8

Answers

The equation of line that passes through points (0,-8) and (-5,-23) is y=3x-8 which is option d.

Given that the line passes through (0,-8) and (-5,-23).

We are required to find the equation of the line that passes through (0,-8) and (-5,-23).

Equation is like a relationship between two or more variables expressed in equal to form. Equation of two variables look like ax+by=c. It may be linear equation, quadratic equation, cubic equation, and many more depending on the power of the variable.

The formula to form the equation from two points is as under:

[tex](y-y_{1}) =(y_{2} -y_{1} )/(x_{2} -x_{1} ) * (x-x_{1} )[/tex] in which [tex](x_{1} ,y_{1} ),(x_{2} ,y_{2} )[/tex] are the points.

(y+8)=(-23+8/-5-0)(x-0)

y+8=(-15/-5) x

y+8=3x

y=3x-8

Hence the equation of line that passes through points (0,-8) and (-5,-23) is y=3x-8 which is option d.

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which of the following systems of equations would have infinitely many solutions?

y=4x-1 and 4x+5
y=x and y=0
y=2x-1 and y=2x-1
y=3x-2 and y=2x-3​

Answers

9514 1404 393

Answer:

  (c)  y = 2x-1 and y = 2x-1

Step-by-step explanation:

A system of equations in which both equations describe the same line will have infinitely many solutions (all points on that line).

The same line is (obviously) described by the (identical) equations ...

  y = 2x-1 and y = 2x-1

3z squared minus 6z if z = 5

Answers

Answer:

45

Step-by-step explanation:

Given

3z² - 6z ← substitute z = 5 into the expression

= 3(5)² - 6(5)

= 3(25) - 30

= 75 - 30

= 45

Answer:

Step-by-step explanation:

First, convert the z’s to numbers.

3(5) squared - 6(5)

do the squared first

3(25)-6(5)

multiply

75-30=45

Answer:45

A first number is four more than seven time a second. The sum of the number is 92. Find the number.​

Answers

Answer:

11

81

Step-by-step explanation:

x = 7y + 4

x + y = 92

Solve for x in the second equation

x = 92 - y

92 - y = x

Equate the 2 xs

92 - y = 7y + 4         Add y to both sides

92 = 7y+y + 4          Combine

92 = 8y +  4             Subtract 4 from both sides

88 = 8y                    Divide by 8

88/8 = y

y = 11

===========

x = 7y + 4

x = 77 +4

x = 81

3y=-5x-3 y=-x+1 I am stuck on this ;-; 3

Answers

Given Expression: 3y = -5x - 3

y = -x + 1

--------------------------

3y = -5x - 3

3(-x +1) = -5x - 3 ^ Substitution Property

-3x + 3 = -5x - 3 ^ Distributive Property

2x + 3 = -3 ^ Addition POE

2x = -6 ^ Subtraction POE

x = -3 - Answer

Lazare is dividing 52.8 ounces of cereal equally into 9 bags. Which is the best way to estimate the amount of cereal in each bag?

Answers

If I'm not mistaken it's 5.9

Estimate amount of cereal in one bag is 5.867 ounces.

What are mathematical operations?

Calculate the answer using a math operator is referred to as a mathematical operation.

Basic mathematical operations are addition, multiplication, subtraction and division.

Total quantity of cereal that Lazare has = 52.8 ounces.

And number of bags into which cereal equally divides = 9

To find the amount of cereal in each bag,

Use mathematical operations,

Since, total bags are 9 and amount of cereal is 52.8 ounces.

So, in one bag amount of cereal = 52.8 / 9 = 5.8666 = 5.867

In one bag there will be 5.867 ounces of cereal.

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