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iren2701 [21]
3 years ago
10

need help again!! will give brainliest to correct answer as always! || Type the correct answer in each box. Use numerals instead

of words. If necessary, use / for the fraction bar(s).

Mathematics
1 answer:
Oxana [17]3 years ago
6 0
A= 7
B= 9
C= 4
Thats it
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In a chess club there are 10 males and 15 females. What percentage of the club is females?
nalin [4]

Answer:

60%

Step-by-step explanation:

15 out of 25 is 60%

25 is the total people in the club

Hope this helps

4 0
3 years ago
If the surface area of a sphere is 530.93 square cntimeters, find the volume of the sphere
hodyreva [135]

The volume of sphere is: 1149.76\ cm^3

Further explanation:

We have to find the radius of the sphere first to find the volume of sphere

Given

Surface Area of Sphere=530.93 cm^2

SA=4\pi r^2\\530.93=4*3.14*r^2\\530.93=12.568r^2\\r^2=\frac{530.93}{12.56}\\r^2=42.27\\Taking\ Square\ root\ on\ both\ sides\\\sqrt{r^2}=\sqrt{42.27}\\r=6.5\ cm\\Now,\\V=\frac{4}{3}\pi r^3\\V=\frac{4}{3}*3.14*(6.5)^3\\=\frac{4}{3}*3.14*274.625\\=1149.76\ cm^3

The volume of sphere is: 1149.76\ cm^3

Keywords: Sphere, Volume of sphere

Learn more about spheres at:

  • brainly.com/question/4892332
  • brainly.com/question/4924817

#LearnwithBrainly

6 0
3 years ago
What is the solution to the system below?<br> −4x+5y=27 <br> x−6y=−2
Lubov Fominskaja [6]

Answer:

(-8,-1)

Step-by-step explanation:

5 0
3 years ago
An automotive manufacturer wants to know the proportion of new car buyers who prefer foreign cars over domestic. Step 1 of 2: Su
AVprozaik [17]

Answer:

0.249 is the required proportion.

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 822

Number of people who preferred foreign cars over domestic, x = 205

We have to find the proportion of new car buyers who prefer foreign cars.

Formula:

\hat{p} = \dfrac{x}{n}

Putting values, we get,

\hat{p} = \dfrac{205}{822}\\\\\hat{p} = 0.249

Thus, 0.249 is the proportion of the new car buyers who preferred foreign over domestic cars..

3 0
3 years ago
8. Graph: y = x2 + 5x - 1​
vredina [299]

Answer:

boyyyy

Step-by-step explain:

yayyy

7 0
3 years ago
Read 2 more answers
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