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Assoli18 [71]
3 years ago
8

5: MathXL for School: Practice & Problem Solving

Mathematics
1 answer:
aleksandrvk [35]3 years ago
3 0

Step-by-step explanation:

Perimeter=(L+W)2

L=4.5y+5Ft

W=8y-4.5Ft

(4.5y+5Ft+8y-4.5Ft)2=N Ft

(4.5y+8y+5Ft-4.5Ft)2=N Ft

(12.5y+0.5Ft)2=N Ft

25y+1Ft=N Ft

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Find the solution of the system of equations. x-3y= -13<br> 2x+15y=16
Mandarinka [93]

ANSWER: The solution to the system of equations given is: x= -7, y=2

Point Form: (-7,2)

7 0
2 years ago
How to find slope intercept form when slope equals 3 over 4 passing through 8, 2
IgorC [24]

Answer:

The slope intercept form would be y = 3/4x - 4

Step-by-step explanation:

To find the slope intercept form of this line, we start with using our given information in point-slope form. Then we solve for y.

y - y1 = m(x - x1)

y - 2 = 3/4(x - 8)

y - 2 = 3/4x - 6

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8 0
3 years ago
-40=-8(x+2) solve the equation
raketka [301]

Answer:

x = 3

Step-by-step explanation:

-40 = -8 (x + 2)

-8 (x + 2) = -40   --- divide both sides by - 8

-8 (x + 2)           -40

--------------   =   ----------

      -8                  -8

x + 2 = 5    --- subtract 2 from both sides

x + 2 - 2 = 5 - 2   then simplify

x = 3

5 0
4 years ago
Read 2 more answers
How many three digit numbers can be made from the digits 1,\ldots,9 if repetitions of digits are not allowed?
fredd [130]
9 values for each digit, order matters: 123 is different than 321, and no repetion

9*8*7 = 504

Look at a simpler example, with 1, 2, 3:

123
132
213
231
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6 numbers

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3 0
3 years ago
Gloria pays her insurance three times each year. The first payment is 50% of the annual
Xelga [282]

Answer:

First payment (50%) would be 512$

The next two payments would be 32$ each

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.5(1024)= 512

.25(512)=128

.25(128)= 32

4 0
3 years ago
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