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3 years ago

What does 3/9+5/9 equal?

2 answers:

8 0

The anwser is 8/9 Since both of the fractions have the same denomonaters you can add the numoraters together two get 8/9

sattari [20]3 years ago

4 0

$\frac{3}{9}+\frac{5}{9}=\frac{3+5}{9}=\boxed{\frac{8}{9}}$

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Nick is now seven times as old as Harry. In 6 years, Nick will be five times as old as Harry. How old will Harry be in 6 years?

Deffense [45]

Answer:

7x+6 = 5(x+6)

Step-by-step explanation:

x represents Harry's age now, so 7x represents Nick's age now. (Nick is 7 times as old as Harry.)

In 6 years, Harry's age will be x+6.

In 6 years, Nick's age will be 7x+6, which is 5 times Harry's age at that time, 5(x+6). Hence an appropriate equation is ...

... 7x+6 = 5(x+6)

_____

Please note that finding the value of x does not give the answer to the question. We are asked for Harry's age in 6 years, so the answer is x+6 (=18).

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2 years ago

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Marco wants to buy a game for $59.99. The sales tax is 7%. How much will he pay for the sales tax?

Kamila [148]

Answer:

$4.19

Step-by-step explanation:

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2 years ago

Margarita is 15 years older than Silvia the sum of their ages is 41

Nimfa-mama [501]

One of them is 13 and the other is 28

3 0

3 years ago

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Find the product of 2x^4(4x^2 + 3x + 1).

lianna [129]

We want to find the product:

$\displaystyle{ 2x^4\cdot(4x^2 + 3x + 1)$ .

By the $\text{Distributive property}$ , we distribute $2x^4$ over each of the three terms inside the parenthesis:

$\displaystyle{ 2x^4\cdot(4x^2 + 3x + 1)=2x^4\cdot4x^2+2x^4\cdot3x+2x^4\cdot1$ .

Multiplying the coefficients, and adding the exponents we get:

$8x^6+6x^5+2x^4$ .

Answer: $8x^6+6x^5+2x^4$ .

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3 years ago

PLEASE HELP ME WITH THIS IT IS TIMED

Zanzabum

Answer:

7 1/2

Step-by-step explanation:

i got 7 1/2 because the one at the bottom is 7 1 /2

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3 years ago

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