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3 years ago

I need help with number 5

Mathematics

2 answers:

vodka [1.7K]3 years ago

8 0

What do you need help with? Like how to multiply, divided, ext..

g100num [7]3 years ago

6 0

Alright so let's think there is a blank one that represents 0 and a 1,2,3,4,5, and 6 in all that's 7 different numbers.

For an example you don't have to do this for every number, but here's how the 0,s might work.

0,0 0,1 0,2 0,3 0,4 0,5 0,6

That is 7 different combinations for only one number but that is not the answer.
There are 7 numbers and 7 combinations.

7x7= 49

The answer is 49 dominos in each set. I feel like a teacher now but I hope this helped you

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3 years ago

You know what to do?

Juliette [100K]

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Step-by-step explanation:

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6 0

2 years ago

Read 2 more answers

The length of a rectangle is twice its width. If the area of the rectangle is 5 , find its perimeter

gizmo_the_mogwai [7]

Answer:

9.48

Step-by-step explanation:

The perimeter of a rectangle is the distance around the the shape. It can be found by adding each side of the shape to find a total. In contrast, the area of a shape is the amount inside a shape. It is found using multiplication or A = l*w. Since the width is w and the length is twice its width or 2w, use these expressions in the area formula to find their amount. Then add them together to find the perimeter.

$A = l*w5 = w(2w)\\5 = 2w^2\\2.5 = w^2\\1.58 = w$

The width of the rectangle is w = 1.58. The length is 2w = 2 (1.58) = 3.16.

Add these amounts by P = l + l + w + w to find the perimeter.

P = 3.16 + 3.16 + 1.58 + 1.58 = 9.48

4 0

3 years ago

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Whitepunk [10]

Answer:

what do you need help with

Step-by-step explanation:

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3 years ago

Solve 4(x-5)= 14 please answer nowww

Anna35 [415]

Answer:

x=8.5

Step-by-step explanation:

To solve this equation, we want to find out what x is. To do this, we need to get x by itself.

Perform the opposite of what is being done to the equation. Remember to perform everything to both sides.

4(x-5)=14

4 is being multiplied by x-5. The opposite of multiplication is division. Divide both sides by 4.

4(x-5)/4=14/4

x-5=14/4

x-5=3.5

5 is being subtracted from x. The opposite of subtraction is addition. Add 5 to both sides.

x-5+5=3.5+5

x=3.5+5

x=8.5

Let's check our solution. Plug 8.5 in for x in the original equation.

4(x-5)=14

4(8.5-5)=14

4(3.5)=14

14=14

Both sides of the equation are the same, so we know our solution, <u>x=8.5 </u>is correct.

6 0

3 years ago

Read 2 more answers