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2 years ago

What fraction goes in the box to make it correct? 7 × □ = 1

Mathematics

2 answers:

mars1129 [50]2 years ago

8 0

Answer: 1/7

Do Keep Change Flip

Keep: 7

Change: ÷ into ×

Flip: 7/1 into 1/7

Your new problem: 7×1/7

Multiply

7/1×1/7=7/7

7/7=1

Kazeer [188]2 years ago

4 0

Answer:

1/7

Step-by-step explanation:

7 × 1/7

7/7

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How to distribute this problem: (x-8)^2 + 16

Usimov [2.4K]

Answer:

We conclude that:

$\left(x-8\right)^2+16=x^2-16x+80$

Step-by-step explanation:

Given the equation

$\left(x-8\right)^2\:+\:16$

First, solve (x - 8)²

Apply Perfect Square formula: (a - b)² = a² - 2ab + b²

$a=x,\:\:b=8$

$\left(x-8\right)^2=x^2-2x\cdot \:\:8+8^2$

$=x^2-16x+64$

so the expression becomes

$\left(x-8\right)^2+16=x^2-16x+64+16$

$=x^2-16x+80$ Add the numbers: 64+16=80

Therefore, we conclude that:

$\left(x-8\right)^2+16=x^2-16x+80$

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Step-by-step explanation:

Move the decimal to the left so there is one non-zero digit number left of the decimal point. This will be the exponent placed on 10

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Step-by-step explanation:

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Step-by-step explanation:

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