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2 years ago

Help ASAP plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz

Mathematics

1 answer:

Lostsunrise [7]2 years ago

8 0

Answer:

Step-by-step explanation:

since 28 is the amount of time it takes for him to mow a lawn, we have to have an answer that involves time, which is B.

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143=7+8(3-7x) solve and justify

Llana [10]

Justify means plug answer in and verify

so distribute 8(3-7x)=24-56x

143=7+24-56x
143=31-56x
minus 31 both sides
112=-56x
divide both sides by -56
-2=x

justify

plug it back
143=7+8(3-7x)
143=7+8(3-7(-2))
143=7+8(3-(-14))
143=7+8(3+14)
143=7+8(17)
143=7+136
143=143

true

x=-2

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2 years ago

Express 0.12 as a fraction

Leya [2.2K]

Answer:

Your answer is 3/25

Step-by-step explanation:

7 0

2 years ago

Read 2 more answers

Ben is taking a typing class, and the following line graph represents the number of words per minute he was able to type each we

Crank

During week 2, he could type 15 words per minute, at his fourth week, he could type 30. So 30-15=15. He could type 15 words faster on week 4 than he could at week 2.

3 0

3 years ago

What is the sum of these expressions: (-3.5t - 4s + 4.5) + (-7.1 - 0.3s + 4.1t)

dmitriy555 [2]

-4.3s + 0.6t - 2.6 is the answer

4 0

2 years ago

Wazma bought some new pants, but the 34 inch inseam was too long. If he wants the inseam to be 3013 inches long, how much length

KiRa [710]

The length of the inseam to be removed from the pant is 3 2 / 3 inches.

<h3 /><h3>How to find the length to be removed?</h3>

The length of the pant he bought is 34 inches and it was too long.

He wants the length to be 30 1 / 3 inches long.

Therefore, the amount of length to be removed can be calculated as follows;

34 - 30 1 / 3

$30\frac{1}{3} = \frac{91}{3}$

Hence,

$34-\frac{91}{3}=\frac{102-91}{3} =\frac{11}{3}=3\frac{2}{3} inches$

Therefore, the number to be removed is 3 2 / 3 inches

learn more on length here: brainly.com/question/11427600

#SPJ1

7 0

2 years ago