2 years ago

Which of the following tables of equivalent ratios is

Mathematics

1 answer:

RideAnS [48]2 years ago

8 0

Answer:

all of them in the picture are equivalent

Step-by-step explanation:

Sorry if its wrong I think you missing some of the work but hope this helps!

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Whitepunk [10]

Answer:

D or A

Step-by-step explanation:

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3 years ago

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podryga [215]

The answer would be 13,320

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3 years ago

The difference between 22 and x

lukranit [14]

Answer:

22-x

Step-by-step explanation:

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3 0

3 years ago

Suppose your salary in 2014 is $60,000. Assuming an annual inflation rate of 8%, what salary do you need to earn in 2017 in orde

Westkost [7]

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5 0

3 years ago

5^(2x-1)+5^(x+1)=250 how do you solve? thank you

zepelin [54]

Answer:

x = 2

Step-by-step explanation:

Exponential Equations

Solve:

$5^{2x-1}+5^{x+1}=250$

Separate each exponential:

$5^{2x}5^{-1}+5^{x}5^{1}=250$

Operating:

$\displaystyle \frac{5^{2x}}{5}+5^{x}5=250$

Multiplying by 5:

$5^{2x}+25\cdot5^x=1250$

Rearranging:

$5^{2x}+25\cdot5^x-1250=0$

Recall that:

$5^{2x}=(5^{x})^2$

$(5^{x})^2+25\cdot5^x-1250=0$

Calling

$y=5^{x}:$

$y^2+25y-1250=0$

Factoring:

$(y-25)(y+50)=0$

There are two possible solutions:

y=25

y=-50

Since

$y=5^{x}$

y cannot be negative, thus:

$5^{x}=25=5^2$

The solution is:

x = 2

8 0

3 years ago