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olchik [2.2K]
3 years ago
14

What’s the answer to this question

Mathematics
1 answer:
artcher [175]3 years ago
6 0
The answer is for question 12, x = -9.3333333
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What is the volume of a sphere with a radius of 6.6 cm, rounded to the nearest tenth of a cubic centimeter?
Dvinal [7]

Answer:

Volume=1204.26cm3

Step-by-step explanation:

V=

4

3

π

r

3

=

4

3

π

6.6

3

≈

1204.26043cm³

6 0
3 years ago
Solve the system of equations by the addition method <br> { 5x-y=-3<br> { 4x+3y=-48
Svetach [21]

Answer:

(-3,-12)

Step-by-step explanation:

Multiply the first equation by three to match the second equations y-term

  • 3(5x-y=-3)
  • 4x+3y=-48

  • 15x-3y=-9
  • 4x+3y=-48

The y-terms cancel out

  • 15x=-9
  • 4x=-48

Add the x-terms with each other and the terms after the equal sign as well

  • 19x=-57

Divide -57 by 19

  • x=-3

Input your x-term (-3) into one of the two first equations and multiply

Either:

  • 5(-3)-y=-3 or
  • 4(-3)+3y=-48

  • -15-y=-3 or
  • -12+3y=-48

Simplify your terms

  • -y=12
  • 3y=-36

Divide

  • y=-12
  • y=-12
4 0
3 years ago
K/2+1/2=3 find the k
NikAS [45]

Answer:

k = 5

Step-by-step explanation:

Given

\frac{k}{2} + \frac{1}{2} = 3 ( multiply through by 3 to clear the fractions )

k + 1 = 6 ( subtract 1 from both sides )

k = 5

4 0
3 years ago
Read 2 more answers
A small company plans to invest in a new advertising campaign. There is a 20% chance that the company will lose $5,000, a 50% ch
GREYUIT [131]
Are you asking what they should do because of the profit ?
5 0
3 years ago
Again the auction house raffle sold 200 tickets at $1 each. How many prizes of $10 should they to make the raffle a fair game?
jekas [21]
200; $1e\pp

they should sell 20 prizes

20x10=200
5 0
3 years ago
Read 2 more answers
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