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lina2011 [118]
3 years ago
6

Help- this is already late-

Mathematics
1 answer:
aliina [53]3 years ago
3 0

Answer:

it's answer is 2a + 6a - 21

Step-by-step explanation:

2a + 3 ( 2a - 7)

= 2a + 6a - 21

Hope it will help :)❤

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Which equation demonstrates the distributive property?
yulyashka [42]

Answer:

the answer is D.

Step-by-step explanation:

distribute property requires you to multiply the number outside the parenthesis in everything in the parenthesis. hope this helps.

8 0
4 years ago
Read 2 more answers
0.01 written as a percent then round to the nearest tenth of a percent
Aleks [24]

Answer and step-by-step explanation:

To write it as percent, multiply it with 100, we get:

0.01 * 100 = 1%

Nearest tenth of a percent would be 10%, 20%, 30%, etc.

So as we can see 1% is nearest to 10% so we round it up to 10%

Hope this helped :3

7 0
4 years ago
Somebody know how to do this?
Lubov Fominskaja [6]

Answer:

x=1

Step-by-step explanation:

55+70=125

sum of angles in a triangle is 180 so

180-125=55

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6 0
3 years ago
A train leaves the station at 9:00 pm traveling east at 36 miles per hour. A second train leaves the station at 10:00 pm traveli
sveta [45]
The answer is c.6:00 am

Sorry if wrong
7 0
3 years ago
Can someone help me solve multiple step equations? For example (7t - 2) - (-3t + 1) = -3(1 - 3t)
artcher [175]

Answer:

t = 0

Step-by-step explanation:

(7t - 2) - (-3t + 1) = -3(1 - 3t)

because you can not do anything inside the parantheses, you distribute. there aren't any numbers on the left side of the parantheses on the left side of the equation so we just imagine the number 1. on the right side of the equation, just distribute normally

[ 1(7t - 2) -1(-3t + 1) = -3(1 - 3t) ]

will be

7t - 2 + 3t - 1 = -3 + 9t

add like terms

10t - 3 = -3 + 9t

subtract 9t from both sides

t - 3 = -3

add 3 to both sides

t = 0

3 0
3 years ago
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