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Nikitich [7]
3 years ago
15

a class is having their picture taken. the photographer positions himself 21 feet from the center of the row of students. When t

he the photographer looks at the last student at either end of the row, the photographer must turn 45 degrees from the center in either direction
Mathematics
1 answer:
Papessa [141]3 years ago
6 0

Answer:

24

Step-by-step explanation:

tbh I am not sure if this is right but here

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Which of these are a litre unit:<br> Capacity, Mass, Density or Area?
Irina18 [472]

Answer:

mass

Step-by-step explanation:

I think mass is the litre unit

8 0
3 years ago
Read 2 more answers
May I please have help? Thank you! And can you please tell me how you got the answer? Thank you again!
FinnZ [79.3K]

Answer:

4.05

Step-by-step explanation:

2(1 \frac{3}{4} )

multiply the following

add the sum (3.5+0.55)

you'll get 4.05

8 0
3 years ago
HELP QUICK! NO BOTS!
gtnhenbr [62]

Answer:I'm pretty sure it's A

Step-by-step explanation:

6 0
2 years ago
A tower stand on a horizontal plane. P is the top and Q is the bottom of the tower. A and B are two points on this plane such th
pochemuha

Answer:

32√5

Step-by-step explanation:

We have the right triangles PQA and PQB as well as the given right triangle QAB.

cot(PAQ) = 2/5 = QA/PQ

cot(PBQ) = 3/5 = QB/PQ

cot(PAQ) / cot(PBQ) = (2/5) / (3/5) = 2/3

cot(PAQ) / cot(PBQ) = (QA/PQ) / (QB/PQ) = QA / QB

QA / QB = 2/3

QA = (2/3) QB

QB = (3/2) QA

By the Pythagorean Theorem we have:

(QA)² + 32² = (QB)²

(QA)² + 32² = (3/2 QA)²

(QA)² + 1024 = (9/4) (QA)²

(5/4) (QA)² = 1024

(QA)² = (4/5)1024 = 4096/5

QA = 64/√5

Solve for PQ.

cot(PAQ) = QA/PQ

PQ = QA / cot(PAQ)

PQ = (64/√5) / (2/5) = 32√5

The height of the tower is 32√5.

7 0
3 years ago
A $3,500 loan, taken now, with a simple interest rate of 5% per year, will require a total repayment of $3,850. At what time t w
Alecsey [184]

Answer:

Roughly 2 years

Step-by-step explanation:

3500(1.05)^t=3850

(1.05)^t=1.1

t=1.953

So roughly 2 years

5 0
3 years ago
Read 2 more answers
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