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s344n2d4d5 [400]
3 years ago
12

Please help and explain step by step , how to get the value :(​

Mathematics
2 answers:
jonny [76]3 years ago
8 0
First one is three i think
Whitepunk [10]3 years ago
3 0
Let us consider the values of x and y
So 3x-2y-5=17
=>3x-2y=22.......(1)

Putting it in the first eq.

3x-2y+9= 22+9=31(Ans)
(Because 3x-2y=22 in equation 1)


Now multiplying (1) by 3

(3x-2y)*3=(22*3)

9x-6y=22*3

9x-6y=66(Ans)

I hope it helps and you understand.
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The width of a rectangle is the sum of the length and 1. The area of the rectangle is 20 units. What is the width, in units, of
IRISSAK [1]

Answer:

W=5

Step-by-step explanation:

W=Width=Length + 1

L = Length

Area = Length * Width = 20

Area = L * W = L * (L+1) = 20

Distribute the L:   L^2 + L = 20

Subtract 20 from both sides: L^2 + L -20 = 20-20

Simplify:  L^2+L-20=0

Factor (L-4)(L+5)=0

Solve using the zero property: L-4=0, L=4      L+5=0, L=-5

The two options for length are 4 and -5. Only 4 will work for L since it cannot be negative.   Width is Length + 1 = 5

6 0
3 years ago
Convert 53 yards per hour into inches per day
marin [14]

1 yard = 36 inches.

53 yards per hour x 36 inches per yard = 1908 inches per hour.

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4 0
3 years ago
What is the value of x?<br> A. 52/3<br> B.3/4<br> C.17<br> D. 52/7
MrRa [10]

Answer:

d

Step-by-step explanation:

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5 0
3 years ago
Can someone help me on 2/3-3/8 show work
Nat2105 [25]

Answer:

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Step-by-step explanation:

So first you want a common denominator so we have to find the least common multiple of 3 and 8, which is 24.

Next you have to multiply the same to the numerator, I usually go by the phrase whatever you do to the bottom you do to the top. So 8 times 2 is 16 and 3 times 3 is nine.

Everything changed should be 16/24-9/24

then we do 16-9 is 7 and you never subtract the denominators so 2/3-3/8 is 7/24

8 0
3 years ago
The space shuttle discovery was retired in spring thousand and 12 discovery was first launched in 1984 and flu over 149,000,000
Rina8888 [55]

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Step-by-step explanation:

first of all 149,000,000 miles is active lifetime

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hope tis helps out with your question

5 0
3 years ago
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