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GrogVix [38]
4 years ago
11

2(3 – 4a) + 5(a – 7) what are the steps to solve this? please.

Mathematics
2 answers:
Doss [256]4 years ago
7 0
2(3-4a) + 5(a-7) first do the distributive property
6-8a + 5a-35 now combine like terms
-41 - 3a is the final answer
AlexFokin [52]4 years ago
5 0

2(3 – 4a) + 5(a – 7)

Distribute 2  and 5 inside the parenthesis

Step 1:  2*3 - 2*4a + 5*a - 5*7

When we multiply it we will get

Step 2: 6 - 8a + 5a -35

Now we combine like terms. The terms that as same variables are like terms

-8a + 5a  is -3a

6 - 35 is -29

6 - 8a + 5a -35

Step 3: -3a -29

Final answer is -3a-29

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solong [7]
Answer: C. y = -3x + 6
7 0
2 years ago
Please helppp I’m In desperate help
liubo4ka [24]

Answer:

330

Step-by-step explanation:

Hello There!

The shown figure is a trapezoid with the following dimensions:

Height - 11m

Base 1 - 41m

Base 2 - 19m

Given this information we need to find the area

Remember the formula for the area of a trapezoid is

A=\frac{a+b}{2} h

where a and b are bases and h is the height

Because we are given all of the information needed to calculate the area all we have to do is plug in the values into the formula

So...

A=\frac{19+41}{2} 11\\19+41=60\\\frac{60}{2} =30\\30*11=330\\A=330

In conclusion the area of the figure is 330 square units

3 0
3 years ago
Read 2 more answers
There is a bag with only red marbles and blue marbles. The probability of randomly choosing a blue marble is 2/9 . There are 63
Verdich [7]

Answer:

49 red marbles

Step-by-step explanation:

There is a bag with only red marbles and blue marbles.

We are told in the question that:

The probability of randomly choosing a blue marble is 2/9 . There are 63 marbles in total in the bag

Hence: since

P(Blue marbles) = 2/9

Hence,

The number of blue marbles = 63 ÷ 9

= 7

Hence:

2 × 7/9 × 7 = 14/63

Hence, the number of blue marbles = 14 blue marbles

The number of red marbles bus calculated as:

63 - 14 blue marbles

= 49 red marbles

4 0
3 years ago
What is the answer to -6(4r+2)+5
RideAnS [48]

Answer:

-24r - 7

Step-by-step explanation:

-6(4r + 2) + 5

-24r - 12 + 5

-24r - 7

Best of Luck!

5 0
3 years ago
Could someone also help me out on this please?
Luba_88 [7]

Answer:

A

Step-by-step explanation:

When cross multiplied they equal the same thing

6 0
4 years ago
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