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2 years ago

PLEASE HELP WITH THESE TWO WUESTIONS ILL GIVE BRAINIEST AND GIVE YOU PTS

Mathematics

1 answer:

blondinia [14]2 years ago

4 0

The first one is the same amount of points

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Three girls share 12000 in the ratio 2.3.7 calculate how much each girl will get

frez [133]

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Answer:

2000, 3000, 7000

Step-by-step explanation:

The total number of ratio units is 2+3+7=12, so each stands for 1000 in the share.

The girls get 2000 : 3000 : 7000.

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2 years ago

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2 years ago

Simplify sin(tan^(-1)x)

AnnZ [28]

Sin (tan^(-1)X)
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2 years ago

Factor completely 4x2 − 32.

Korvikt [17]

Answer: 4(x + 4)(x - 4)

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Vera is using her phone.Its battery life is down to 2/5,and it drains another 1/9 every other. How many hours will her battery l

Margarita [4]

Let x be total hours of battery life. We have been given that battery life of Vera's phone is down to 2/5. So remaining battery life,

$1-\frac{2}{5}=\frac{5-2}{5}=\frac{3}{5}$

We have been also given that it drains another 1/9 every other hour. Now let us substitute our given information into an equation.

$\frac{1}{9}\cdot x=\frac{3}{5}$

Now we will solve for x.

$x=\frac{3\cdot 9}{5}=\frac{27}{5}$

$x=(5+\frac{2}{5})hours$

Let us convert 2/5 into minutes. We know 1 hour has 60 minutes.

$60\cdot \frac{2}{5}=24\text{minutes}$

Therefore, remaining battery life will be 5 hours and 24 minutes.

3 0

3 years ago

Read 2 more answers