Use a number line to show the sum of 6 + (–7).

1 answer:

4 0

So there is a rule
(+)(+)=+
(-)(+)= -
(+)(-)= -
So now if you subtract 6 with 7 you will end up having -1 as you’re answer. Hope this helps

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Four percent of Jennie's skin cells were burned when she escaped from a fire. If 3.7 x 10^10 of her skin cells were burned then,

baherus [9]

Answer:

355.2

Step-by-step explanation:

Given:

Four percent of Jennie's skin cells were burned

Total skin cells having Jennie = 3.7 x 10^10

= $3.7\times10\times10 = 370$

To find:

How man skin cells were not burned ?

Solution:

Total skin cells having Jennie = 370

Percent of Jennie's skin cells were burned = 4%

Skin cells burned from a fire = $370 \ of 4\%$

= $370\times\frac{4}{100} =\frac{1480}{100}$

= $14.8$

Remaining skin cells which not burned = 370 - 14.8 = 355.2

Therefore, 355.2 skin cells were not burned.

8 0

3 years ago

According to Home Water Works, the average American shower uses 17.2 gallons and lasts about 8.2 minutes. To the nearest tenth o

bearhunter [10]

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Home Water Works says that in most homes, showers are the third-largest user of water after toilets and clothes washers. The average American shower water usage is 17.2 gallons with the average shower length being 8.2 minutes. The average flow rate is 2.1 gallons per minute.

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