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3 years ago

2/9 divided by 7/9 could you help me with this please i really need help please.

Mathematics

2 answers:

never [62]3 years ago

8 0

Answer: 2/9 divided by 7/9 = 2/7

Step-by-step explanation:

1. Write out the problem on a piece of paper.

2. Change the second fraction, which is 7/9, into a reciprocal fraction (means flipping the 7 and 9 around). Now, our equation has the fraction 9/7 in it.

3. Change the division symbol to a multiplication symbol. Your equation should be 2/9 x 9/7.

4. Solve the equation. You should get the answer of 18/63 without simplification.

5. Simplify. 18/63 = 2/7

Conclusion: 2/7 is the correct answer.

GarryVolchara [31]3 years ago

8 0

The answer is 2/7 because if you divide both of them it will get you this

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Find two numbers if their sum is 7.2 and their difference is 2.7

Klio2033 [76]

Answer:

4.95 and 2.25

Step-by-step explanation:

x+y=7.2

x-y=2.7

Add equations

x+y + x-y= (2x-y+y)=2x

7.2+2.7=9.9

Therefore 2x=9.9 x=9.9/2=4.95

x=4.95

x+y=7.2

4.95+y=7.2

y=7.2-4.95=2.25

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kakasveta [241]

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4 years ago

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How long will it take for a $2000 investment to grow to $3178 at an annual rate of 8.6%, compounded semiannually? Assume that no

masha68 [24]

Answer:

n = 1

Step-by-step explanation:

Due to it being compounded semiannually, the total amount after n years should be 2000[1+(.086/2)]^2n = 3178. (A = p(1+r/n)^nt)

Hence, solving this equation:

(1+0.43)^2n = 3178/2000

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3 years ago

7(5x + 9) = 12 - (x +9)

den301095 [7]

Answer:

$\frac{-5}{3}$ is the answer

Step-by-step explanation:

7(5x+9)=12+−1(x+9)(Distribute the Negative Sign)

7(5x+9)=12+−x+−9

(7)(5x)+(7)(9)=12+−x+−9(Distribute)

35x+63=12+−x+−9

35x+63=(−x)+(12+−9)(Combine Like Terms)

35x+63=−x+3

Add x to both sides.

35x+63+x=−x+3+x

36x+63=3

subtract 63 from both sides.

36x+63−63=3−63

36x=−60

Divide both sides by 36.

$\frac{36x}{36} =\frac{-60}{36}\\$

-5/3 is the answer.

ik this doesnt make any sense but hope this helps

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-Dominant- [34]

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3 years ago

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