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Anni [7]
4 years ago
10

You buy painting supplies for $12, and you charge $3 per person to paint faces. how many faces will you need to paint to earn $1

5 in profit?
Mathematics
2 answers:
NikAS [45]4 years ago
6 0

Investment = $12

For $15 profit, I have to earn, 12+15 = $27

Charge for 1 person(for paint faces) = 3

multiply by 9,

9 persons= $27

So, 9 person is the answer.

Scorpion4ik [409]4 years ago
3 0

Answer:

You need to paint 9 faces to earn $15 in profit.

Step-by-step explanation:

Given : You buy painting supplies for $12, and you charge $3 per person to paint faces.

To find : How many faces will you need to paint to earn $15 in profit?

Solution :

Let x represent the number of faces painted.

According to question,

3x - 12 = 15

Solving equation,

3x= 15+12

3x=27

x=\frac{27}{3}

x=9

Therefore, You need to paint 9 faces to earn $15 in profit.

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Since you're looking for the chance that the defective player occurs twice, you need to find the chance your friend receives a defective player given that you also receive one. The chance you receive a defective player is 4%, or 0.04. If you friend also receives a defective player, then the chance of both occurring is 4% of 4%, or 0.04 * 0.04, which equals 0.0016. So the probability that you can a friend both receive a defective player is 0.16%.
5 0
4 years ago
Mr.Riley made 21 ounce of potatoes salad to serve to 5 guests at a picnic. If each serving is the same size, how much potato sal
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Answer:

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7 0
3 years ago
Please help quick lol
maxonik [38]

Answer:

x = 3,-5 is correct.

Step-by-step explanation:

The Zero Product Property:

The Zero Product Property simply tells that if a*b=0, it implies that either a=0 or b=0 (or the both of them must be equal to zero). The product of the factors is zero if and only if the one or more of  factors is zero. This is particularly useful for solving the quadratic equations .

In the given question the quadratic equation is (x-3)(x+5)=0

from the Zero Product Property, it is clear that  x-3 =0 or x =3

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4 0
3 years ago
The space shuttle travels at 27 870 km per hour.
torisob [31]

Answer:

B

Step-by-step explanation:

3 x 27870 = 83610

4 0
3 years ago
The base of an isosceles triangle is 24 cm and its area is 192 cm^2 . Find its perimeter.
Dmitriy789 [7]

Step-by-step explanation:

Area of Traingle=1/2×b×h

192cm²=1/2×24×h

192cm²=12×h

h=192/12

h=16cm

Hypotenuse ²=Base²+Altitude ²

Hypotenuse ²=12²+16²

Hypotenuse ²=144+256

Hypotenuse ²=400

Hypotenuse =20cm

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