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Black_prince [1.1K]
3 years ago
11

Trevor tutors French for $12 an hour and scoops ice cream for $8 an hour. He is going to work 20 hours this week. At least how m

any hours does he need to tutor to make more than $190? Let x equal the number of hours he tutors and y be the number of hours he scoops ice cream.
At least how many hours does Trevor need to tutor to make more than $190? Express your answer as a decimal number.
Mathematics
1 answer:
Arlecino [84]3 years ago
8 0

Answer:

the answer is 16 hours

Step-by-step explanation:

i just multiplied 12(the amount he gets from tutoring) and multiplied it by different numbers  to see which one gets him past $190

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Aleks [24]
You can use the pythagorean theorem. Make sure that you put the measurements in the right places though. Since 11 is the measure of the hypotenuse, 11 has to be c. When you plug in the information that you have, it should look like this:
8^2 + b^2 = 11^2

Square 8 and 11. 
64 + b^2 = 121

Subtract 64 from 121
121 - 64 = 57

The new equation is:
b^2 = 57

Now take the square root of both sides to get b by itself. 
b = about 7.5

Answer: The height of the triangle is 7.5

***** Note: I rounded the answer ********************************************
4 0
3 years ago
If f(x) = 2(x)^2+5 sqrt (x-2). complete the following statement. <br><br> f(2)=_____
dangina [55]

Answer:

The value of function at x = 2 is 8.

Step-by-step explanation:

Given : Function f(x)=2x^2+5\sqrt{x-2}

We have to find the value of given function at x = 2 , that is f(2)

Consider the given function  f(x)=2x^2+5\sqrt{x-2}

To find the value f(2) put x = 2 in given function ,

We have,

f(2)=2(2)^2+5\sqrt{2-2}

Simplify, we have,

f(2)=8+5\sqrt{0}

Simplify further, we have,

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4 0
3 years ago
Read 2 more answers
2x2-y if x=3 and y=8
9966 [12]
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8 0
3 years ago
A pair of shoes usually sells for $62. if the shoes are 20% off and the sale tax is 5% what is the total price of shoes includin
coldgirl [10]
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3 years ago
In a middle school orchestra, there are 6 sixth graders, 11 seventh graders, and 8 eight graders. If one student is randomly cho
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Answer:

11/25

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=11/25

8 0
3 years ago
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