The perimeter of a sheet of paper is 38cm. If the width is 8 cm what is the length of the paper?

Answers

Answer 1

Answer: 15. (2•l)+(2•w)=38.
(2•l)+8=38.
Subtract 8 from both sides which leaves (2•l)=30.
Divide by 2 from both sides and that leaves 15.

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Blank divided by 9 equals 6

Answers

The required number is 54.

Therefore 54 divided by 9 equals 6 .

Given,

Blank divided by 9 equals 6.

Now,

Let the blank number be x.

So,

Rewriting in the form of equation,

x ÷ 9 = 6

x = 9*6

x = 54

Know more about division,

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9 x 6 = 54 so the answer would 54

The first three steps for solving the quadratic equation by completing the square are shown. Fill in the missing number in the last step.9x2 +54x = 7

9(x2 + 6x) = 7

9(x2 + 6x + 9) = 7 + ?

Answers

Completing the square is done as follows:

1. Write the equation in a way that the constants are in the right side while the terms with x are on the left.
9x2 +54x = 7

2. Make sure that the coefficient of the x^2 term is 1.
9(x2 + 6x) = 7

3. Adding a term to both sides that will complete the square in the left side. This is done by dividing the coefficient of the x term by 2 and squaring it. Note: The same amount should be added to the right side to balance the equation.
9(x2 + 6x + 9) = 7 + 81

9(x+3)^2 = 88

Answer:

The answer is 81 guys.

Step-by-step explanation:

Distributive simplifiy 8(y+3)

Answers

well, you distribute the 8 to both terms since it is being multiplied.
8 * y = 8y
8 * 3 = 24
so the ending equation should be 8y + 24

8y+24 is the correct answer unless you are trying to get y alone

10. need help with this question-percentages and proof

Answers

Answer:

the value increased by0.0388

Step-by-step explanation

4% - 3% equals 0.0388 becuase its the diffrence between them is 0.0388

How many times larger is the value of 250,000 than 250

Answers

250,000 divided by 250
1000

Traditions Clothing Store is having a sale. Shirts that were regularly priced at $20 are on sale for $17. What is the percentage of decrease in the price of the shirts?

Answers

$\begin{array}{ccc}\$20&-&100\%\n\n\$17&-&p\%\end{array}\n\n\ncross\ multiply\n\n20p=17\cdot100\ \ \ /:20\n\np=(1700)/(20)\n\np=85\ (\%)\n\n100\%-85\%=15\%\leftarrow Answer$

original price of shirts = $ 20
new price of shirts = $17
decrease in price = $20 - $17 = $ 3
% decrease = 3/20 x 100 = 15%

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