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Travka [436]
3 years ago
9

-3(-5z+12) (use the distributive property to write each expression as an equivalent expression)

Mathematics
1 answer:
Georgia [21]3 years ago
3 0
The answer to that is -15-36 hope that helps you with your problem.
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What is the equation of a line passing through (5,2) and parallel to the line represented by the equation y - 2x + 1?
34kurt

Step-by-step explanation:

Im not sure if its supposed y = -2x + 1 or y = 2x + 1 but I'll solve the problem for both.

First for y = -2x + 1

Since the line has to be parallel to y = -2x + 1

the slopes would be the same.

so, so far the equation would be

y = -2x + b

now we substitute (5,2) into the equation

2 = -2(5) + b

2 = -10 + b (Add 10 to both sides of the equation)

+10 +10

12 = b

Now that we solved for b

The equation would be

y = -2x + 12

^^ This equation is parallel to y = -2x + 1

Now to solve for an equation parallel to y = 2x + 1

Both equations would have the same slope

So far we would have

y = 2x + b

Now we solve for be by substituting the point (5,2)

2 = 2(5) + b

2 = 10 + b (subtract 10 from both sides)

-10 -10

-8 = b

After solving for b

The equation is

y = 2x - 8

This equation is parallel to y = 2x + 1

4 0
3 years ago
Can someone help pls!!
kari74 [83]

Answer:

C) 42.14 cm²

Step-by-step explanation:

<u>Recall the area formulas for a square and circle:</u>

Area of square: A=s²

Area of circle: A=πr²

<u>Given:</u>

π=3.14

s=14

r=s/2=14/2=7

Therefore, the area of the square is A=14²=196 cm²

The area of the two semicircles is A=3.14(7)²=3.14(49)=153.86 cm²

Find the difference between the two areas to get the shaded area:

196 - 153.86 = 42.14

Therefore, the shaded area is 42.14 cm², making C the correct choice.

5 0
3 years ago
Read 2 more answers
Fi you put 200 feet shorter than the height of the lighthouse what would it be ?
Vikki [24]

Answer:

Step-by-step explanation:

it would be like 300 feet more

4 0
3 years ago
If the diameter of a tree trunk is growing 1/4 inch each year how many years will it take for the diameter to grow 8 inches
hjlf
I’m pretty sure it’s 32 years
4 0
3 years ago
Read 2 more answers
X –12 = -8x + 6 a.x = 2 b.x = -2 c.x = 3 d.x = -3
Naddik [55]

Answer:

<u>(a) x = 2</u>

Step-by-step explanation:

x - 12 = -8x + 6

First, move all the like terms to one side of the equation. We will move all the x's to the left, and the rest to the right in this equation. (Don't forget to pay attention to the signs of the numbers as you move them over the equal sign.)

x - 12 + 8x = 6

x + 8x = 6 + 12

9x = 18

Next, solve for x by isolating it to one side of the equation. Here, we'll have to divide 18 by 9 (do the opposite of what 9 is doing with x; instead of multiplying it with 18 like it currently is with x, divide 18 by it.)

x = \frac{18}{9}

x = 2

Therefore, your answer is (a), since x = 2.

<em>I hope this helps! I would really appreciate it if you would please mark me brainliest! Have a blessed day!</em>

4 0
3 years ago
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