3 years ago

pls help my math teacher is crazy and if i get in trouble i will be in trouble at home :( pls do step by step explanation

Mathematics

1 answer:

nata0808 [166]3 years ago

3 0

sorry I realised my answer was wrong, I apologize-

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3 years ago

Which is the solution set of a for -3(-x + a) + 7 < 5 when x = -1?

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Answer:

Step-by-step explanation:

-3 (-1+a)+7 <5

3-3a+7 <5

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Question Write an equation of the line that passes through (1, −2) and is parallel to the line y=7x+7. An equation of the parall

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Step-by-step explanation:

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2 years ago

Kim buys a dress for $65 and some shirts for $15 each. Linda buys some shoes for $50 and some shirts for $20. If the girls spend

pochemuha

Answer:

5 shirts

Step-by-step explanation:

we can use the problem to get an equation:

65+15x=50+20x

subtract 50 from each side to get:

15+15x=20x

subtract 15x from each side to get:

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3 years ago

For f(x)= 5 over x-7 when will. f(x) equal 8?

Sindrei [870]

Answer:

Therefore at

$x=\dfrac{1}{3}$

we have

$f(x)=8$

Step-by-step explanation:

Given:

$f(x)=\dfrac{5}{x}-7$

To Find:

x = ? when f(x) = 8

Solution:

$f(x)=\dfrac{5}{x}-7$ ..............Given

Substituting f(x) = 8 we get

$8=\dfrac{5}{x}-7$

Adding 7 to both the side

$8+7=\dfrac{5}{x}-7+7$

$15=\dfrac{5}{x}$

$x=\dfrac{5}{15}=\dfrac{1}{3}$

Therefore at

$x=\dfrac{1}{3}$

we have

$f(x)=8$

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4 years ago