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3 years ago

Find the rate of a/b and complete the equivalent ratio 69

Mathematics

1 answer:

ivann1987 [24]3 years ago

8 0

I am not sure

Step-by-step explanation:

D John <em>Adams</em>

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Solve: XXV - IV Show your answer in standard form.

storchak [24]

Step-by-step explanation:

the answer is xxl in roman number or 21

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3 years ago

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What is -18x + 9x – 21 + 3 = -99

Igoryamba

Answer:

X = 9

Step-by-step explanation:

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3 years ago

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The ratio of boys to girls in a group is 3:1. If there are 52 more boys than girls, work out how many people there are in total.

UkoKoshka [18]

Answer: 104 (Good chance its wrong)

Step-by-step explanation: if the ratio is 3:1 then there's 3 times as much boys as girls. if there are 52 more boys then that means 52 is twice as much as the number of girls so if we divide is by 2 we get 26. if we add 26 with 52 we get 78 and if we divide 78 by 3 we get 26. so I believe there are 26 girls and 78 boys. 26+78=104

I believe 104 is the answer but there's a good chance i'm wrong.

7 0

3 years ago

Barrett is comparing the membership fees for two museums. The art museum charges a one-time fee of $8.25 plus $2.25 per month. T

sergejj [24]

Barrett will save $17.50 a year

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3 years ago

Prove the polynomial identity.

Kaylis [27]

Answer:

Proven

Step-by-step explanation:

We prove the polynomial with factorization. We must first simplify the expression before we can factorize:

$(4\cdot{x^2}-2)\cdot{(4\cdot{x^2}-2)}-16\cdot{x^4}$

$16\cdot{x^4}-8\cdot{x^2}-8\cdot{x^2}+4-16\cdot{x^4}$

$4-16\cdot{x^2}$

4 is the common number and we can take it out of the expression:

$4\cdot{(1-4\cdot{x^2})}$

We can factorize further with the x term being zero. For this to be true we must have -2x and 2x to cancel out and therefore the expression is proven:

$4\cdot{(1-2\cdot{x})}\cdot{(1+2\cdot{x})}$

5 0

3 years ago

Find the rate of a/b and complete the equivalent ratio 69​

Find the rate of a/b and complete the equivalent ratio 69