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Mandarinka [93]
3 years ago
8

The width of a rectangle is 4 inches less than its length.The perimeter is 112 inches. Find the length and the width of the tria

ngle

Mathematics
1 answer:
DedPeter [7]3 years ago
6 0
I hope this helps you

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5a+5b=25 and -5a+5b=35
Alex_Xolod [135]

add the two equations together

5a+5b=25

-5a+5b=35

------------------

 0  + 10b =60

divide by 10

b=6

5a + 5b = 25

5a +5(6) = 25

5a +30 =25

subtract 30 from each side

5a =-5

divide by 5

a = -1

Answer (-1,6)

or a=-1 b=6

3 0
3 years ago
How do you write 2.92 trillion in scientific notation form
yaroslaw [1]

Answer:

2.92 × 10⁹

Step-by-step explanation:

im not exactly sure if im right but this is what i know, lmk if its wrong

7 0
3 years ago
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Solve by using any method of substitution<br><br>4 +8x = y <br>6x - y = 2
Bumek [7]

Answer:

(-3,-20)

Step-by-step explanation:

4 +8x = y ...... equation (1)

6x - y = 2 ........equation(2)

from equation 2

6x - y = 2

6x -(4+8x) =2

6x - 4 + 8x = 2

    +4              +4

6x - 8x = 6

-2x=6

divide by -2

x= -3

put x in equation (1) to solve for y

4 + 8x = y

4+8(-3)=y

4-24=y

-20=y

y= -20

solution = (-3,-20)

8 0
3 years ago
How much in Federal taxes does Curtis pay annually?
Hunter-Best [27]
The amount of Federal Taxes that Curtis pays annually would be 1538.68.

8 0
3 years ago
How many times do you multiply 5 by itself if the exponent is 56?
3241004551 [841]
56 times!!

This is because the exponent indicates how many times you multiply a number. For example:
5^2= 5x5
5 0
3 years ago
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