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larisa [96]
3 years ago
7

Help please please please

Mathematics
2 answers:
VLD [36.1K]3 years ago
5 0

Answer:

10%

Step-by-step explanation:

10/100 = 1/10 = .1 = 10%

m_a_m_a [10]3 years ago
4 0

Answer:

10%

Step-by-step explanation:

Since it's out of 100, you can simply add a percent sign in front of the number of students. So, 10 out of 100 is 10%.

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The sum of the areas of two circles is 80n square meters. Find the length of a radius of each circle if
astra-53 [7]

Answer:

8 meters.

Step-by-step explanation:

Let the 2 radii be x and 2x, then
π x^2 + π (2x)^2 = 80π

π x^2 + π 4x^2= 80π

x^2 + 4x^2= 80

5x^2 = 80

x^2 = 16

x = 4.

So the radius of the larger circle = 2*4 = 8 m.

4 0
2 years ago
The points (–2, 4) and (–2, –2) are vertices of a heptagon. Explain how to find the length of the segment formed by these endpoi
Scrat [10]

Answer:

The segment is 6 units long.

Step-by-step explanation:

The points (–2, 4) and (–2, –2) are vertices of a heptagon. We have to explain how to find the length of the segment formed by these endpoints.

If two points at the ends of a straight line PQ are P(x_{1},y_{1}) and Q(x_{2},y_{2}), then the length of the segment PQ will be given by the formula  

\sqrt{(x_{1} - x_{2})^{2} + (y_{1} - y_{2})^{2}}

Now, in our case the two points are (-2,4) and (-2,-2) and the length of the segment will be  

\sqrt{(- 2 - (- 2))^{2} + (4 - (- 2))^{2}} = 6 units. (Answer)

5 0
3 years ago
Read 2 more answers
Plz help I don’t know the answer very important question
Igoryamba

Answer

D.26

Step-by-step explanation:

4 0
2 years ago
Your hourly salary increased from $15 to $22 what is the precent increase in your salary?
Elanso [62]

The percentage increase is 46%.

Original number/start = $15

End number = $22

Increase = $22 - $15 = $7

% increase = Increase ÷ Original Number × 100

Substitute in known values

% increase = 7 ÷ 15 × 100

Divide

% increase = 0.46 × 100

Multiply

% increase = 46%

The percentage increase is 46%.

Find out more information about percentage increase here

brainly.com/question/17447703

#SPJ4

8 0
1 year ago
Which value makes the equation true?<br><br><br><br> □+0.34=2.34
Nataly [62]

Answer:

2.00

Step-by-step explanation:

let the empty box be the variable n. n+0.34=2.34

subtract .34 from both sides

n=2.00

8 0
2 years ago
Read 2 more answers
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