3 years ago

Need help ASAP pls. :)

Mathematics

1 answer:

Troyanec [42]3 years ago

7 0

Answer:

Step-by-step explanation:

because we just multiply the bottom equation by - and we eliminate 7y. now we have -2x=-10 to get x we divide -10 by -2 and get the answer

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TEA [102]

Answer: Option B

Step-by-step explanation:

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3 years ago

2. Which of the following ordered pairs (x,y) satisfies the system of equations below?

bixtya [17]

Answer:

b(2,-2)

Step-by-step explanation:

x= 2 and y=-2

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3 years ago

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Deffense [45]

Correct answer is option D.

The solution is listed below

$F(x)=4x+7 \\ \\ 
y=4x+7 \\ \\ 
y-7=4x \\ \\ 
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f-^{1}(y) = \frac{y-7}{4} \\ \\ 
f-^{1}(x) = \frac{x-7}{4} \\ \\ 
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3 years ago

After a 16% increase the price of a pair of running shoes was $40.60. What was the old price of the shoes

Delvig [45]

Answer:

34.10

Step-by-step explanation:

Note:

16% = .16

Important:

What was the <u>old price</u> of the shoes

Solution:

40.60 x .16 = 6.946 [Round:6.50]

40.60-6.50= 34.10

Hence, the old price of the shoes is $34.10

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2 years ago

21) Martha's aunt bought $26 for 20 plants. Some were

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Answer:

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Step-by-step explanation:

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3 years ago

Need help ASAP pls. :)​

Need help ASAP pls. :)