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motikmotik
4 years ago
12

Using the breaking apart method, what is the best way to multiply 8 by 7?

Mathematics
1 answer:
Mumz [18]4 years ago
3 0


ok 8 * 7 = 56 but your trying to break apart so ..

So ur trying to break apart 7 and 8 to still get ur sum 56 , so first , we are going to break up 8 which is 4 ... so we have 4 and 4 cause 4 +4 = 8 , then we look at 7 .... you see , there is no way you can break up 7 from a lower number value . so im going to keep 7 as it is cause f you noticed....8 is split equally with 4 , but when you look at 7 , there is no way at all that you can equally split 7 so im going to solve this problem , how we have it is

4 + 4 = 8 * 7 = 56

makes sense cause you add 2 4's cause 4 + 4 = 8 the n u times 7 with the answer of 4 + 4 and you got your answer

Break method ...

8 - 4 = 4

7 = ? < no equal splitting

4 + 4 = 8 * 7 = 56

hoped this helped

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You want to buy a camera. The retail price is $75. The camera is on sale for 15% off . What is the sale price of the camera?
ludmilkaskok [199]

Answer:

$63.75

Step-by-step explanation:

15% off

Get percentage of retail price

1-0.15 = .85

0.85 = 85%

The sale price is 85% of the retail price

Multiply

0.85 * 75

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7 0
2 years ago
A linear function has the same y-PLEASE PLEASE HELP!!!!intercept as x+2y=10 and it’s graph contains the point (9,7) find the slo
Anastasy [175]

Answer:

I think it is 2/9 or 0.22

Step-by-step explanation:

You know they have the same y intercept, so first you should find the y intercept of the givern equation.

<em>x+2y = 10   </em>

<em>2y = -x + 10        [subtract x]</em>

<em>y = -.5x + 5          [divide by 2]</em>

Now you have the equation in graph form, and know the y intercept is 5.

If the unknown function has the same y intercept, you know it contains the point (0,5), and it is given that it includes the point (9,7)

now that you have two points, you can use slope formula.

<em>(y2 - y1)/(x2-x1)</em>

<em>(change in y)/(change in x)</em>

so,

<em>(7-5)/(9-0) = 2/9 = 0.2</em>

someone please correct me if i'm wrong:)

7 0
3 years ago
A paperweight has height 4cm and volume 38.4cm3.
tino4ka555 [31]

Shouldn't it be the same volume, 38.4?

6 0
3 years ago
Sammi bought 2dozen valentines. How many valentines did sammi have left after giving 7/8 of them to her classmates
Ierofanga [76]
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2 dozen

2x12=24

7/8 of 24

24 / 8 = 3 
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3 roses are left over

8 0
3 years ago
Ocala is 75 miles from Tampa.on a map,they are 3 inches apart.Talpaheasses is 8 inches from Tampa on the same map how far is Tal
Harlamova29_29 [7]

Answer:

200

Step-by-step explanation:

75/3 =25 mi per in  8 in =25 X 8 = 200

put me as branilyiest

6 0
3 years ago
Read 2 more answers
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