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3 years ago

9x-2x= Please show work

Mathematics

1 answer:

Elenna [48]3 years ago

6 0

Answer:

answer is 7x

Step-by-step explanation:

collect like terms by subtracting their coefficient

(9-2) =7x

that's how you get your answer

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Joan had 227 dollars to spend on 8 books. After buying them she had 11 dollars. How

Eddi Din [679]

The correct answer is 27

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4 years ago

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nordsb [41]

ita 3 fiths x plus three eigths

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3 years ago

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Inga [223]

Answer:

g(x) = $\frac{x+3}{x-3}$

Step-by-step explanation:

From the picture attached,

Given function is,

f(x) = x + 1

We have to find the value of g(x) if the composite function has been given as,

f[g(x)] = g(x) + 1 = $\frac{2x}{(x-3)}$

g(x) = $\frac{2x}{(x-3)}-1$

= $\frac{2x-(x-3)}{(x-3)}$

= $\frac{(x+3)}{(x-3)}$

Therefore, g(x) = $\frac{x+3}{x-3}$ will be the answer.

5 0

3 years ago

Last Year, a state university received 3,560 applications from boys. Of those applications, 35 Percent were from boys who lived

Rom4ik [11]

Answer:

a)10%=3560/100=356

5%=356/2=178

30%=356X3=1068

35%=1068+178=1246

b)10% of 40%=3560/4=890

100%890x10=8900(answer)

hope this helps

5 0

3 years ago

The degree of the function f(x) = -(x + 1)2(2x - 3)(x + 2)2 is<br> , and its y-intercept is

Serggg [28]

Answer:

Degree = 5

Y intercept = 12

Step-by-step explanation:

our function is given as

$f(x)=-(x+1)^2 \cdot (2x-3) \cdot (x+2)^2$

in the above polynomial our variable is x and it is being multiplied for 5 times. Hence the probable degree for the above polynomial is 5

In order to find the y intercept , we need to put x=0 in f(x) as y intercept is the point at which the function graphically meets y axis and where x = 0

Hence

$f(0)=-(0+1)^2 \cdot (2(0)-3) \cdot (0+2)^2$

$f(0)=-(1)^2 \cdot (0-3) \cdot (2)^2$

$f(0)=-1 \cdot (-3) \cdot 4$

$f(0)=3 \cdot 4$

$f(0)=3 \times 4$

$f(0)=12$

Hence the y intercept is 12 units

6 0

3 years ago