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Evgen [1.6K]
3 years ago
13

I need help with this question pleaseeee

Mathematics
1 answer:
Softa [21]3 years ago
8 0

Answer: 639

Step-by-step explanation:

i might be wrong but that's how i was taught! :)

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Which expression gives the volume of a sphere with radius 16?
Irina-Kira [14]

Answer:

16,384π/3

Step-by-step explanation:

V = (4/3)πr³

V = (4/3)π(16³)

V = 16,384π/3

6 0
3 years ago
Read 2 more answers
Jorge's math grade is calculated using a weighted average. Quizzes are worth 30%, homework is worth 10%, unit tests are worth 40
Fudgin [204]

By rewriting the weights in decimal form and applying them to the correspondent percentages, we will see that the final grade is 92.8%.

<h3>What is Jore's final math grade?</h3>

The final grade will be given by:

G = a₁*x₁ + a₂*x₂ + ...

Where the values "a" are the weights, and the values "x" are the averages of Jeorge.

We know that the weights are:

  • 30% on Quizzes.
  • 10% on homework
  • 40% on unit test.
  • 20% on the final exam.

Then we can write the weights in decimal form:

a₁ = 0.3

a₂ = 0.1

a₃ = 0.4

a₄ = 0.2

And the scores are:

  • 92% on quizzes.
  • 98% on homework
  • 91% on unit tests
  • 95% on final exam.

So the final math grade will be:

G = 0.3*92 + 0.1*98 + 0.4*91 + 0.2*95 = 92.8%

If you want to learn more about percentages, you can read:

brainly.com/question/843074

7 0
2 years ago
Make m the subject of the formula<br><br><img src="https://tex.z-dn.net/?f=s%20%3D%20%5Cfrac%7Bhm%7D%7B4%7D%20" id="TexFormula1"
juin [17]
S = hm / 4

4s = hm

4s / h = m

So, m = 4s/h
4 0
3 years ago
What is 39.4 in words?
trasher [3.6K]
In words it would be said Thirty nine point four
6 0
3 years ago
Read 2 more answers
NEED HELP WITH THESE
faltersainse [42]

Step-by-step explanation:

1 .f(x)=x^{2}-x+1

   f(-1)= (-1)-(-1)+1

   f(-1)= 1+1+1

      = 3

3.f(x)=x^{2}-x+1

 f( 1)=(1)-1+1

  f( 1)=1-1+1

        =1

5. f(x)=x^{2}-x+1

    f(3)=(3)^{2}-3+1

         = 9-3+1

          =7

2. g(x) = 5 - 3x

 g( -8)=5-3(-8)

g( -8)=5+24

        =29

4.g(x) = 5 - 3x

g(5)=5-3(5)

 g(5)=5-15

       =-10

6.g(x) = 5 - 3x

   g(-3)=5-3(-3)

 g(-3)=5+9

         =14

3 0
2 years ago
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