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Degger [83]
3 years ago
13

Find the following product (x+3)(x-4)

Mathematics
2 answers:
egoroff_w [7]3 years ago
8 0
X^2-x-12 is the anwer
Ivahew [28]3 years ago
5 0

You must to the foil method, first, outer, inner, and last

(x+3)(x-4)

x^2-4x+3x-12

Simplify

x^2-x-12

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-1/2 is rational, have a good day
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What is the volume cubic inches of a box when the length is 8 inches, the width is 3 inches and the height is 10 inches?
erica [24]

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240 inches cubed

Step-by-step explanation:

Volume = L x W x H

Take 8 x 10x 3 = 240

dont forget to put inches cubed (in.^3)

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Please Help i need this done
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i think u add 2.5 everytime

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3 0
3 years ago
At one gym, there is a $12 start-up fee, and after that each month at the gym costs $20. At another gym, it costs $4 to startup,
mart [117]

Answer:

In 4 months the cost of both gyms will be the same.

Step-by-step explanation:

At first we need to model the function to calculate the cost of the 2 gyms.

Slope-intercept equation of linear function

f(x)=mx+b

where

m\rightarrow slope of line

b\rightarrow y-intercept

Let linear function to calculate total cost of gym be:

c(n)=mn+b

where

c\rightarrow total cost of gym

m\rightarrow cost per month (slope)

n\rightarrow number of months

b\rightarrow start-up fee (y-intercept)

For Gym 1

m=20 , b=12

c(n)=20n+12

For Gym 2

m=22 , b=4

c(n)=22n+4

In order to find the number of months the cost of both gyms will be the same, we need to equate both functions and solve for number of months (n)

20n+12=22n+4

\\\textrm{Subtracting 22n from both sides}\\20n-22n+12=22n-22n+4\\-2n+12=4\\\textrm{Subtracting 12 from both sides}\\-2n+12-12=4-12\\-2n=-8\\\textrm{Dividing both sides by -2}\\\frac{-2}{-2}n=\frac{-8}{-2}\\n=4\textrm{ months}

So,

In 4 months the cost of both gyms will be the same.

5 0
3 years ago
(08.03)A set of equations is given below:
cricket20 [7]

Answer:

A

Step-by-step explanation:

y= x+1 at the same time y=4x+5

x+1= 4x+5, so answer is A

3 0
3 years ago
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