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Alexeev081 [22]
3 years ago
5

Rectangles. Please help!

Mathematics
1 answer:
nataly862011 [7]3 years ago
7 0
First you have to canceled out the fours from both side 4x/4-12/4 so x=3 then you do the same thing to the 7x-18

4x-12.
4x/4-12/4. So x=3
The fours cancelled out

7x-18
7x/7-18/7. So x= 2 4/7
The sevens cancelled out

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WILL GIVE BRAINLIEST! Someone please graph these, I can't graph them.
nadezda [96]

Answer:

see attached image

Step-by-step explanation:

F(x) = 2x + 5 is a linear graph because the exponent on x is 1.  I tell my students that think of graphs having one less turn/corner that the value of the highest exponent.  so since 2x has a exponent of 1, 1-1 =0 so it has no turns or its a straight line.

this has a slope of 2 or 2/1 or up 2 and right 1 from the y intercept which is 5

so mark 5 on the y axis and a from there go up 2 and right 1 and make another point.  Join these points and you have your graph


and


g(x) = (x-5)/2  is its inverse and is found:

F(x) = 2x + 5 write it this way y = 2x + 5

now swap the x and y    x = 2y - 5

solve for y

x = 2y + 5

- 5       -5

x - 5 = 2y

/2        /2

(x-5)/2 = y

it can be written as y = x/2 - 5/2

and graphed the same way as above with a  1/2 slope and -5/2 y intercept

4 0
3 years ago
Read 2 more answers
The associative property changes the ____ of three addends or factors.
4vir4ik [10]

The associative property allows you to change the <em>grouping</em> of addends or factors without changing the value of the expression.

4 0
3 years ago
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There are 5 boys in the eighth grade class and 9 girls . If mr. Jowers randomly selects one student to carry the Eagle folder ,
Valentin [98]

Answer: 36.78% chance

Step-by-step explanation: Add 9+5 and divide 5 to 14

7 0
3 years ago
Determine the rate of change of f , f(x)= 6x-5
vagabundo [1.1K]

Answer:

6

Step-by-step explanation:

the rate of change is given by the slope of the line

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y-intercept )

f(x) = 6x - 5 is in this form

with slope m = 6 ← rate of change



5 0
3 years ago
Read 2 more answers
You have a goal of saving to build up a nest egg of $625,357.24, and you are going to make regular deposits to an account that p
Delvig [45]

The monthly deposit required to save up to $625,357.24 (future value) in 40 years at a 7.2% APR is <u>$225.20</u>.

<h3>What is the monthly deposit?</h3>

The monthly deposits are the periodic savings that the investor must make to achieve future value.

The monthly deposit is compounded at the monthly annual percentage rate (APR).

We can compute the required monthly deposits using an online finance calculator as follows:

N (# of periods) = 480 months (40 years x 12)

I/Y (Interest per year) = 7.2%

PV (Present Value) = $0

FV (Future Value) = $625,357.24

<u>Results</u>:

Monthly Deposits (PMT) = $225.20

Sum of all periodic payments = $108,096 ($225.20 x 480)

Total Interest = $517,261.24

Thus, to save $625,357.24 in 40 years, you need to deposit <u>$225.20</u> monthly.

Learn more about periodic deposits (payments) at brainly.com/question/13031679

#SPJ1

6 0
1 year ago
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