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3 years ago

It rained on 2/3 of 21 days jere spent on vacation last summer on how many days did it rain during jere vacation

Mathematics

2 answers:

xeze [42]3 years ago

8 0

2/3 of 21 is 14.

21 *2 divided by 3 is 14.

The answer is 14.

Gekata [30.6K]3 years ago

7 0

2/3 of 21 is 7 so it rained 7 days, 1 week.

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strojnjashka [21]

On the top problem: Angle A and Angle B are a right angle so it equals 90 degrees. If Angle B is 50 degrees that makes Angle A 40 degrees. Angle A and Angle C is a straight line and equals 180 degrees so if Angle A equals 40 degrees that means Angle C equals 140 degrees.

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3 years ago

7. When dy/dx = (x -6)1/2, what does y equal?

Sergio039 [100]

The answer is below
$\frac{dy}{dx} = \frac{1}{2} (x - 6)$
multiply both sides by dx

$dy = \frac{1}{2} (x - 6)dx$
integrate both sides of the diffrential

$integral \: dy = integral \: \frac{1}{2} (x - 6)dx$
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3 years ago

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Viktor [21]

Answer:

Step-by-step explanation:

7 0

3 years ago

a polygon has an area of 225 square meters. A similar polygon is created with an area that is triple the first. By what factor i

GuDViN [60]

The area of the original polygon is:
A = 225 m ^ 2
The similar polygon area is:
A '= (k ^ 2) * (A)
Substituting values:
3 * 225 = (k ^ 2) * (225)
Clearing k we have:
k ^ 2 = 3
k = (3) ^ (1/3)
Answer:
The length of each side increased by:
k = (3) ^ (1/3)

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3 years ago

I’m having trouble with this. There should be an image or a link attached.

alina1380 [7]

Answer:

1.) n-10

2.) 4 / x=x (dont trust me on this)

3.) -8n+1

4.) 1/2 - 19 ( dont trust me on this)

5.)3/5-21 or 3/5>21

6.)x^+15

Step-by-step explanation:

I tried double check it

its been awhile

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2 years ago