3 years ago

Answer the following question. Please show your work.

Mathematics

1 answer:

Alja [10]3 years ago

6 0

2x^2-3x+3x^2+4

we can combine the x^2

so,

2x^2+3x^2= 5x^2

there are no more like terms in this problem so, our answer is:

5x^2-3x+4

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If y varies inversely as x and y=32 when x=3, find x when y=15

deff fn [24]

Y=kx, k is not equal to 0
when y=32,x=3, 32=3k
k=32/3
so y=32/3*x
when y=15, 15=32/3*x
x=45/32

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3 years ago

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Express in the form n:1 give n as a decimal 21:12

Makovka662 [10]

$1.75:1$ which is similar to n:1 where $n=1.75$

Step-by-step explanation:

Here we have to Express in the form n:1 give n as a decimal 21:12 . Let's find out:

Given ratio as 21:12 . Let's convert it into n:1 , where n is decimal

⇒ $21:12$

⇒ $\frac{21}{12}$

⇒ $\frac{3(7)}{3(4)}$

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3 years ago

What os the value of x in the equation 3x- 1/9y=18, when y =27

ollegr [7]

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hope it helps

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