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nirvana33 [79]
3 years ago
5

paolo earns $4 for each hour he tutors. he made $28 last week. write an equation using h to represent the hours he tutored. then

solve the equation.
Mathematics
1 answer:
Tju [1.3M]3 years ago
5 0
If h stands for hours then we need to find out how many hours he tutored.To get $28 we would need to multiply 7 x 4 which would mean that he tutored for 7 hours. The equation would be 7 x 4 = $28
Hope This Helps!
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What's the length of side b in the figure below? I posted a picture so you can view the actual problem. Please help.
svetoff [14.1K]

we know that

in the right triangle of the figure

Applying the Pythagorean Theorem

13^{2} =b^{2} +7^{2} \\ b^{2} =13^{2}-7^{2}\\ b^{2}=120\\ b=\sqrt{120} \ cm

therefore

the answer is the option

C) b=\sqrt{120} \ centimeters

6 0
3 years ago
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Write the equation of the line that passes through (−1, 5) and has a slope of 3 in point-slope form. (2 points)
aleksandr82 [10.1K]
The point-slope form: y-y_0=m(x-x_0)

m = 3; (-1; 5) \to x_0=-1;\ y_0=5

subtitute

y - 5 = 3(x - (-1))

y - 5 = 3(x + 1)
4 0
3 years ago
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Find the area and the circumference of the circle. Round your answers to the nearest hundredth.
Alik [6]

Answer:

area = 200.96  \: {units}^{2}  \\ circumfrence = 50.24 \: units

Step-by-step explanation:

The formula to find the area and circumference of a circle is:

area = \pi {r}^{2}  \\ circumfrence = 2\pi \: r

<em>*</em><em>no</em><em>te that pi is 3.14*</em><em> </em>Therefore the area is:

formula = \pi {r}^{2}  \\ 3.14 \times  {8}^{2}  =  \\ 3.14 \times 64 = 200.96

Therefore the circumference is:

formula = \: 2\pi \: r \\ (2)(3.14)(8) =  \\ 3.14 \times 16 = 50.24

3 0
2 years ago
i need help with this equation please there are two more possible answers that were cut off they are 17,2% and 19,5%
Margarita [4]

Consider that the experimental probability of an event is based upon the previous trials and observations of the experiment.

The experimental probability of occurrence of an event is given by,

\text{Probability of an event}=\frac{\text{ Number of outcomes that favoured the event}}{\text{ Total number of trials or outcomes}}

As per the problem, there are a total of 1230 trials of rolling a dice.

And the favourable event is getting a 2.

The corresponding experimental probability is calculated as,

\begin{gathered} P(\text{ getting a 2})=\frac{\text{ No. of times 2 occurred}}{\text{ Total no. of times the dice is thrown}} \\ P(\text{ getting a 2})=\frac{172}{1230} \\ P(\text{ getting a 2})\approx0.13984 \\ P(\text{ getting a 2})\approx13.98\text{ percent} \end{gathered}

Thus, the required probability is 13.98% approximately.

Theref

7 0
1 year ago
<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B25%20%7D%7B5%20%7D%20%20%2B%20%20%5Cfrac%7B1%7D%7B5%7D%20" id="TexFormula1" title
Sliva [168]
Answer:
25/5+1/5
=5+1/5
=26/5
6 0
2 years ago
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