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3 years ago

What is 7/45 x 9/49 Please answer this

Mathematics

2 answers:

aev [14]3 years ago

8 0

Answer:

as a fraction its 1/35 as a decimal its .02857142857

Step-by-step explanation:

I used a calculator

AleksandrR [38]3 years ago

3 0

Its going to be 1/3 for this equation

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For khan:) 2x + 5y > -6 - 4x + 3y = 2 Is (-1,7) a solution of the system?

KiRa [710]

Step-by-step explanation:

$let \: 2x + 5y > - 6 ... i \\ - 4x + 3y = 2 ...ii\\ let \: x = - 1 \\ y = 7\\ from \: i \: equation \\ 2x + 5y > - 6 \\ then \: keeping \: value \: of \: x \: and \: y \\ 2 \times - 1 + 5 \times 7 > - 6 \\ - 2 + 35 > - 6 \\ 33 > - 6 \\ from \: ii \: equation \\ - 4x + 3y = 2 \\ - 4 \times - 1 + 3 \times 7 = 2 \\ 4 + 21 = 25$

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3 years ago

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xenn [34]

Answer:

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3 years ago

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musickatia [10]

Answer:

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3 years ago

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Adam’s father is 3 times as old as Adam. Two years ago, Adam was 15 years old. How old will his father be in 5 years?

Nata [24]

Answer: 56 years

Step-by-step explanation:

Let Adam's age be $x$ , since the father is 3 times as old as him , then the father will be $3x$ .

Two years ago

Adam = $x - 2$

Father = $3x - 2$

since Adam was 15 years old 2 years ago , this means that

$x-2=15$

add 2 to both sides

$x = 17$

Therefore , Adam is presently 17 years old , then the father will be 3(17) years , which means that the father is presently 51 years old.

In 5 years time , the father will be 51 + 5 years old. That is , the father will be 56 years old in 5 years time

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4 years ago

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Anestetic [448]

Answer:

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Step-by-step explanation:

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Hope this explanation helped!

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3 years ago

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