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Ket [755]
2 years ago
5

4x:3 = 6:5 calculate the value of x

Mathematics
1 answer:
My name is Ann [436]2 years ago
4 0

Answer:

-2

Step-by-step explanation:

4x:3=6:5.

4x/3=6/5

4x × 5=6×3

20 X=18

X=18-20

X=-2

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Which method works best to solve the following system of linear equations?
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8 0
3 years ago
Please answer correctly
Phoenix [80]

Answer:

26

Step-by-step explanation:

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The opposite of −8 is 8.

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8 0
3 years ago
Simply<br> (2k-9)^2+(k+2)^2=(2k+1)^2+(k-8)^2
vova2212 [387]

The square of a binomial expands as follows:

(a+b)^2=a^2+2ab+b^2

Expanding all the binomials, we have

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Sum like terms:

5k^2-32k+85=5k^2-12k+65

Simplify terms appearing on both sides:

-32k+85=-12k+65

Move all terms involving k to the left and all numbers to the right:

-20k=-20

Divide both sides by -20:

k=1

6 0
4 years ago
Jack can run a mile in 9, 1/3 minutes. How long will it take for him to run 3, 1/2 miles?
BARSIC [14]
If you turn 9 1/3 in to a decimal and 3 1/2 in a decimal also 

9 1/3 = 9.3 and 3 1/2 =3.5 
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8 0
3 years ago
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