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netineya [11]
3 years ago
12

During summer vacation, you charge people $8 per hour for babysitting and $10 for going to their house. If you make $50 one day,

how many hours did you spend on babysitting?
Mathematics
2 answers:
Greeley [361]3 years ago
7 0

Answer:

5

Step-by-step explanation:

You can first create an equation to represent the description.  

M = 8h + 10

M is the total money made, and h is the hours spent.  Going to a house costs $10.  This is why it's alone; no matter how many hours is spent at the house, there will always be a $10 charge  Every hour spent at that house costs $8.  This is why it has a variable with it.  This value depends on the time spent.

Plug in the given value ($50) into M and solve for h.

M = 8h + 10

50 = 8h + 10

40 = 8h

h = 5

Five hours were spent at the house.

ioda3 years ago
6 0

Answer: You spent 5 hours babysitting.

Step-by-step explanation:

This situation can be represented by the  equation  y = 8x+ 10  where y is the money you earn and x is the  number of hours.

So if  y is equation to fifty dollars then what is x ?

50 = 8x +10    subtract 10 from both sides.

-10           -10

40 = 8x

x = 5

       

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Answer:

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Step-by-step explanation:

The given number = 3.8

We have to write 3.8 in fraction form a/b

Here we have 1 digit after the decimal. To get rid off the decimal number, we need to multiply both the numerator and the denominator by 10 since we have to 1 digit after the decimal.

\frac{3.8 *10}{10}

= 38/10

Therefore, the answer is 3.8 = 38/10

Thank you.

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Step-by-step explanation:

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2 years ago
You are given the parametric equations x=2cos(θ),y=sin(2θ). (a) List all of the points (x,y) where the tangent line is horizonta
vladimir1956 [14]

Answer:

The solutions listed from the smallest to the greatest are:

x:  -\sqrt{2}   -\sqrt{2}  \sqrt{2}  \sqrt{2}

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Step-by-step explanation:

The slope of the tangent line at a point of the curve is:

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The tangent line is horizontal when m = 0. Then:

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\theta = \frac{1}{2}\cdot \cos^{-1} 0

\theta = \frac{1}{2}\cdot \left(\frac{\pi}{2}+i\cdot \pi \right), for all i \in \mathbb{N}_{O}

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The first four solutions are:

x:   \sqrt{2}   -\sqrt{2}  -\sqrt{2}  \sqrt{2}

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The solutions listed from the smallest to the greatest are:

x:  -\sqrt{2}   -\sqrt{2}  \sqrt{2}  \sqrt{2}

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6 0
2 years ago
What’s the answer to this please? Thanks!
Serjik [45]

Answer:

70

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3 0
3 years ago
Florian ran 1.2 miles and walked 4.8 laps around the path at the park for a total distance of 3.6 miles. Which shows the correct
tangare [24]

Answer:

The correct answer would be D) 4.8x + 1.2 = 3.6; x = 0.5 mile

Step-by-step explanation:

This is because laps would be the dependent variable, so we know the number of them (4.8) would be multiplied by the variable (x). We also know that 1.2 is the constant. Now we can solve to make sure this is the right equation.

4.8x + 1.2 = 3.6

4.8x = 2.4

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7 0
2 years ago
Read 2 more answers
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