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Mandarinka [93]
3 years ago
13

Zoe earns $12 for every one and one-half hours that she babysits. How much money, in dollars, does Zoe earn for each hour that s

he babysits?​
Mathematics
2 answers:
inysia [295]3 years ago
5 0

Answer: 20 dollars

Step-by-step explanation:

Dafna11 [192]3 years ago
3 0

Answer:

Step-by-step explanation:

12 dollars are earned for 1.5 hrs. Using this information, we can develop a proportion:

12/1.5 = x/1

You can then cross-multiply to solve the equation. You will see that x is equal to 8.

Therefore, in one hour, Zoe earns $8. Hope this helps!

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Step-by-step explanation:

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3 years ago
What shape is created by the rotation and what is the
zlopas [31]

Answer:

<u>Option D: A cylinder with a circumference of about 50 units​</u>

Step-by-step explanation:

The rest of the question is the attached figure.

The square shown has a perimeter of 32 units. The square is rotated about line k. What shape is created by the rotation and what is the approximate circumference of the base? Circumference of a circle: C = 2πr

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

Given:  the perimeter of the square = 32

perimeter of a square is four times the length of its side

So, the side length of square = 32/4 = 8 units

The square is rotated about line k.

So, it will form a cylinder with radius 8 units.

Circumference of a circle = 2 π r

Where, r is the radius of the circle.

Circumference of the base is C = 2 π * 8

∴ C = 16π = 16 * 3.14

∴ C = 50.26548 ≈ 50

The shape is created by the rotation is a cylinder with a circumference of about 50 units.

<u>So, the answer option is D.</u>

4 0
3 years ago
A company makes a $5 profit on each non-faulty product it sells. Approximately 2% of the products manufactured are faulty.
galben [10]

Step-by-step answer:

The steps are much easier to follow when we know how many product it sells.  The number does not really matter, because we need the profit per item.

Say, the company made and sold 100 items of the product.

The revenue = 100*5 = $500.

On the average, 2 out of 100 are defective and need to be replaced at a cost of $100 each, so

replacement cost = 2* 100 = 200

So net profit for 100 items = $500 -$200 = $300

Net profit for each item = $300/100 = $3.00

Remark: since the product is replaced, no refund is necessary, so revenue stays at $300.

7 0
3 years ago
12xy-44y+5 determine if it is prime or factorable
Elza [17]

PrimeAnswer:

Step-by-step explanation:

8 0
3 years ago
2+2 pls help btw 4 .....
Vsevolod [243]

Answer:

is it 22.

Step-by-step explanation:

is it?

5 0
3 years ago
Read 2 more answers
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