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enyata [817]
3 years ago
9

What is the area for a circle

Mathematics
2 answers:
nydimaria [60]3 years ago
7 0

Answer:the area for a circle is 3.14 times the radius squared

Step-by-step explanation:

Say the radius was 6, then you would multiply 3.14 by 36 and get 113.04squared as your answer.

nignag [31]3 years ago
5 0

Answer:

Area for a circle is

Step-by-step explanation:

=pi*r^2

=22/7*r^2

#Hope it helps uh

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An account earns simple interest. Find the annual interest rate. Interest = $60 principle = $500 time = 2 years Please help!!
Step2247 [10]

Answer:

A = $560.00

Step-by-step explanation:

I = A - P = $60.00

Formula:

A = P(1 + rt)

First, converting R percent to r a decimal

r = R/100 = 6%/100 = 0.06 per year.

Solving our equation:

A = 500(1 + (0.06 × 2)) = 560

A = $560.00

The total amount accrued on a principal of $500.00 at a rate of 6% per year for 2 years is $560.00.

3 0
3 years ago
Civil engineer wants to estimate the maximum number of cars that can safely travel on a particular road at a given speed. He ass
pychu [463]
N(s)= \frac{89s}{14+14( \frac{s}{17})^2 }
\\
\\N'(s)= (\frac{89s}{14+14( \frac{s}{17})^2 } )'= \frac{89\times 14(1+( \frac{s}{17})^2)-89s\times  \frac{28}{17} }{14^2(1+( \frac{s}{17})^2)} 
\\
\\N'(s)=0
\\
\\89\times 14(1+( \frac{s}{17})^2)-89s\times  \frac{28}{17}=0
\\
\\1+( \frac{s}{17})^2- \frac{2s}{17} =0
\\
\\289+s^2-34s=0
\\
\\s^2-34s+289=0
\\
\\(s-17)^2=0
\\
\\s=17

5 0
2 years ago
The modulus of (3 - 4i)^4 is _____. <br><br>5 <br>20 <br>81 <br>625
Ierofanga [76]

Answer:

625

Step-by-step explanation:

The modulus of 3 - 4i is

\sqrt{3^2+(-4)^2} = \sqrt{9+16} = \sqrt{25} = 5, thus

| (3-4i)^{4} |

= 5^{4}

= 625

5 0
3 years ago
The graph below shows a line of best fit for data collected on the number of dogs visiting a dog park since it first opened.
aleksandrvk [35]

Hello!

Usually in a slope intercept equation, the y-intercept is a term, and is not a coefficient of x. The slope is usually multiplied by x. This eliminates A and C as answers.

Usually the y-intercept is a starting point. Not the slope. This means that B is also incorrect.

In D, it has the correct y-intercept. It shows that 16 dogs visited the first day, and the slope shows a constant rate of more dogs.

Therefore, our answer is D.

I hope this helps!

8 0
3 years ago
Given:
I am Lyosha [343]

Answer:

m∠QPR = 20°

Step-by-step explanation:

If we make a sketch of the triangle, it will be observed, that line R bisects angle P.

Considering Triangle, ΔQPS;

∠QPS=107∘

Considering triangle, QPR;

∠QPR=9x-115∘

Considering triangle, RPS;

∠RPS=4x+27∘

Thus, ∠RPS + ∠QPR = ∠QPS

4x+27° + 9x-115° = 107°

13x - 88° = 107∘

13 x = 107∘ + 88∘

13x = 195°

x = 195°/13

x = 15°

m∠QPR = 9x - 115°

= (9 x 15) - 115°

= 135° - 115°

= 20°

Therefore, m∠QPR = 20°

6 0
3 years ago
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