4 years ago

What is the ratio of 8 nickles to 5 dollars

1 answer:

5 0

It would be 8:5.
Ratios are very simple. There're basically just writing one number per the other number, exept instead of writing per, you write : or /.

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What is the solution to the system of equations below?

Free_Kalibri [48]

Answer: Infinite solutions.

Step-by-step explanation:

$y=-2x-6\\2y=-4x-12$

Plug the value of y into the second equation.

$\\ 2(-2x-6)=-4x-12\\-4x-12=-4x-12$

Add 12 on both sides.

$-4x-12+12=-4x-12+12\\-4x=-4x$

Add 4x on both sides.

$-4x+4x=-4x+4x$

$0=0$

6 0

3 years ago

Read 2 more answers

Which value can be added to the set below without changing its mean?

shusha [124]

Answer:

15..

Step-by-step explanation:

4, 10, 14, 18, 22, 22

Mean = (4 + 10 + 14 + 18 + 22 + 22)/6

= 90/6

= 15.

Number to be added, 'y'

For the mean to be the same

(90 + y) / 7 = 15

90 + y = 15 × 7

90 + y = 105

y = 105 - 90

= 15

7 0

3 years ago

lutik1710 [3]

Answer:

Step-by-step explanation:

You'll divide the tip by the sub-total and multiply by 100

7/52.99 *(100) =13.21%

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3 years ago

Which is the graph of f(x) = 2(3)x

hammer [34]

The graph of f(x)=2(3)x would look like this

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3 years ago

Combine Like Terms

Mazyrski [523]

Answer:

-2g-12

Step-by-step explanation:

5 0

3 years ago