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3 years ago

1) 8 time the sum of a number and 3

Mathematics

2 answers:

Molodets [167]3 years ago

6 0

Answer:

8(x+3)=

Step-by-step explanation:

Hope this helps :)

zepelin [54]3 years ago

6 0

Answer:

8(x+3)

Step-by-step explanation:

If you're asking how to write it algebraically, it would be 8(x+3)

8 is being multiplied and the sum of a number and 3 is adding x and 3.

So you would write it as (8)x+3 or 8(x+3)

Hope this helps.

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Write an equation of the line that passes through (2,7) and is parallel to the line shown ( please help !! )

Anna007 [38]

Answer:

$y=2x+3$

Step-by-step explanation:

We will first need to determine the slope of the line shown.

We know that it passes through the two points (-2, -2) and (1, 4).

Thus, we can use the slope formula to find the slope between the two points:

$\displaystyle m=\frac{y_2-y_1}{x_2-x_1}$

Let (-2, -2) be (x₁, y₁) and let (1, 4) be (x₂, y₂). Substitute:

$\displaystyle m=\frac{4-(-2)}{1-(-2)}=\frac{6}{3}=2$

Hence, the slope of the original line was 2.

Since we want the new line to be parallel, the slope of the new line must also be 2.

We know that the slope is 2 and it passes through the point (2, 7).

So, we can use the point-slope form:

$y-y_1=m(x-x_1)$

We will substitute 2 for m. We will also let (2, 7) be (x₁, y₁). Substitute:

$y-7=2(x-2)$

Solve for y. Distribute the right:

$y-7=2x-4$

Add 7 to both sides. Hence, our equation is:

$y=2x+3$

6 0

3 years ago

Please help me with this asap

vagabundo [1.1K]

Answer:

Step-by-step explanation:

3 0

3 years ago

Help on the 2 one please!!

BARSIC [14]

Out of 15 marbles, 3 are yellow, which leaves 12 more marbles that are NOT yellow. 12/15 would be your answer

hope this helps

7 0

3 years ago

Read 2 more answers

The sum of two numbers is ten. Using x to represent the smaller number, translate "the difference between twice the larger numbe

Agata [3.3K]

The larger number is 10 - x.
2(10 - x) - (-20)
20 - 2x + 20
40 - 2x

8 0

3 years ago

On a map the key indicates that 1/4 inch = 1/2 mile. if two cities on themap are 4 1/2 inches apart what is the distance between

Ilya [14]

Let the actual distance be x mile.
1/4 inch = 1/2 mile
9/2 inch = x mile
(9/2)/(1/4)=x/(1/2)
18=2x
x=9

the actual distance is 9 mile.

8 0

3 years ago

1) 8 time the sum of a number and 3​

1) 8 time the sum of a number and 3