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Andrews [41]
2 years ago
11

In math we are learning about percents. What is 10% of 65

Mathematics
2 answers:
kodGreya [7K]2 years ago
7 0
The answer to the question is 6.5
fomenos2 years ago
4 0
10% means 10/100 which means 1/10.
So 10% of 65 is 65x1/10 and the answer is 6.5.
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Please help me, if you help then thanks!
vredina [299]

The formula for volume always involves three dimensions.  

In this case, the volume of a cube is V=s^3, where s is the side length of the cube.

To solve for that side length, you'd need to use a cube root.

8 0
3 years ago
HELP ME PLEASEE
Nina [5.8K]

Answers:

x = -8/5 or x = 8/5

Sum of the first ten terms where all terms are positive = 4092

========================================================

Explanation:

r = common ratio

  • first term = 4
  • second term = (first term)*(common ratio) = 4r
  • third term = (second term)*(common ratio) = (4r)*r = 4r^2

The first three terms are: 4, 4r, 4r^2

We're given that the sequence is: 4, 5x, 16

Therefore, we have these two equations

  • 5x = 4r
  • 4r^2 = 16

Solve the second equation for r and you should find that r = -2 or r = 2 are the only possible solutions. If r = -2, then 5x = 4r solves to x = -8/5. If r = 2, then 5x = 4r solves to x = 8/5.

-----------------

To find the sum of the first n terms, we use this geometric series formula

Sn = a*(1 - r^n)/(1 - r)

We have

  • a = 4 = first term
  • r = 2, since we want all the terms to be positive
  • n = 10 = number of terms to sum up

So,

Sn = a*(1 - r^n)/(1 - r)

S10 = 4*(1 - 2^10)/(1 - 2)

S10 = 4*(1 - 1024)/(-1)

S10 = 4*(-1023)/(-1)

S10 = 4092

8 0
2 years ago
Leave your answer in terms of pi. Find the circumference.
Sedaia [141]

Answer:

2\pi \: r \\ 2 \times \pi \times 7 \\ =  14\pi

3 0
3 years ago
A large diamond with a mass of 712.04 grams was recently discovered in a mine. if the density of the diamond is 3.51 grams over
fredd [130]

Answer:

202.9 cm^3

Step-by-step explanation:

Mass is 712.04 grams

Density is 3.51 grams/cm^3

Volume = (712.04 g)/(3.51 grams/cm^3) = 202.9 cm^3

8 0
2 years ago
Using the graph, determine the coordinate of the vertex of the parabola.
jok3333 [9.3K]

Answer: (2,9)

Step-by-step explanation:

You found it out already but yeah

8 0
2 years ago
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