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Reptile [31]
3 years ago
10

A streetlight that is 10 feet tall casts a 2.5-foot-long shadow. A nearby flagpole casts a 7.5-foot-long shadow. What is the hei

ght of the flagpole?
Mathematics
1 answer:
zhenek [66]3 years ago
6 0

Answer: 30 feet

Step-by-step explanation:

10 / 2.5 = 4

7.5 * 4 = 30

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Write an equation for the line parallel to y= -7x+15 that contains p(9,-6)
NISA [10]
The slope of the line we seek must me the same as the slope of the given line because THE LINES ARE PARALLEL.

The two lines never meet.

The slope of the given line is -7.

See it?

Plug -7 and the given point into the point-slope formula.

y - (-6) = -7(x - 9)

Solve for y.

y + 6 = -7x + 63

y = -7x + 63 - 6

y = -7x + 57

Did you follow?
5 0
4 years ago
Aida bought a costume box containing 50 costumes for $300. She sold all of the costumes and made a $250 profit. She sold all of
iris [78.8K]

Answer:$11

Step-by-step explanation: 50c - 300= 250

Add 300 to both sides

Divide both sides by 50

6 0
2 years ago
B) A car drives at a speed of 90kmth for 2 hours and 20 minutes<br> How far does the car onve?
Minchanka [31]

Answer:

210 km

Step-by-step explanation:

90 * 2 is 180 (distance over 2 hours)

20 minutes is .333 hours, so 90*0.333 is about 30 km

and 180+30 is 210.

6 0
3 years ago
Read 2 more answers
In New York State, 38% of the houses have a pool and 21% of the houses have both a pool and a hot tub. What is the probability t
SSSSS [86.1K]

Answer:

Probability that a  house has a hot tub given that it has a pool is 55%.

Step-by-step explanation:

We are given that in New York State, 38% of the houses have a pool and 21% of the houses have both a pool and a hot tub.

Let the probability that houses have a pool = P(A) = 0.38

Also, let B = event that houses have a hot tub

Probability that houses have both a pool and a hot tub = P(A \bigcap B) = 0.21

Now, the conditional probability that a  house has a hot tub given that it has a pool is given by =  P(B / A)

<u>As we know that</u>;   P(B / A)  =  \frac{P(A \bigcap B)}{P(A) }

                                              =  \frac{0.21}{0.38}  

                                              =  0.553 ≈ 55%

Hence, the probability that a  house has a hot tub given that it has a pool is 55%.

8 0
3 years ago
What is the measure of
Sever21 [200]

Answer: B

Step-by-step explanation:

8 0
3 years ago
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