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ValentinkaMS [17]
3 years ago
11

Traveling with a speed of 70 mph, a car covered a distance D miles in T hours. Write an equation that relates the distance D thi

s car travels in T hours. Use the equation to find the distance the car travels between 3:30 p.m. and 5:00 p.m.
Mathematics
1 answer:
pishuonlain [190]3 years ago
7 0
Just use the dirt method... Rate times time equals distance... Ok so it is traveling at a speed of 70 mph so that would be the rate (the speed). At first you don't know the distance but then it tells you in the end. So how many hours and minutes is it to get from 3:30 to 5:00? 2 hours and 30 minutes... So you just found the time. Then you times the rate/speed by the time and their you go! You get the distance!
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Step-by-step explanation:

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Mykel is picking out some movies to rent, and he has narrowed down his selections to 66 foreign films, 33 children's movies, 66
uranmaximum [27]

Answer:

Mykel can make 2.79 x 10³² different combinations

Step-by-step explanation:

We can solve this problem using combination

The formula for combination is ⁿCₐ = \frac{n!}{(n - a)!a!}

where n = total number of choices available

a = number of items being chosen

The total movies Mykel wants is 99.

Taking out the sure 66 drama movies,

Mykel is left with 99 - 66 choices = 33 choices.

The total number of choices he is left with is 66 foreign + 33 children + 44 documentaries = 143 movies

Hence, our n = 143 movies

and a = 33 choices

Hence we do, ¹⁴⁴C₃₃ = \frac{143!}{(143 - 33)!33!} = \frac{143!}{110!33!} 2.79 x 10³² combinations

∴ Mykel can make 2.79 x 10³² different combinations.

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26 divided by 5 = 5.2
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What is the simplified version of -4(8r + 3)
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Find AC <br> What Is The Equation To AC?
In-s [12.5K]

<u>Given</u>:

Given that ABC is a right triangle.

The length of AB is 7 units.

The measure of ∠A is 65°

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<u>Length of AC:</u>

The length of AC can be determined using the trigonometric ratio.

Thus, we have;

cos \ \theta=\frac{adj}{hyp}

Where the value of \theta is 65° and the side adjacent to the angle is AC and the side hypotenuse to the angle is AB.

Substituting the values, we have;

cos \ 65^{\circ}=\frac{AC}{AB}

Substituting AB = 7, we have;

cos \ 65^{\circ}=\frac{AC}{7}

Multiplying both sides by 7, we get;

cos \ 65^{\circ} \times 7=AC

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Rounding off to the nearest hundredth, we get;

2.96=AC

Thus, the length of AC is 2.96 units.

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3 years ago
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