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denis23 [38]
3 years ago
11

WILL GIVE BRAINLIEST!!!!

Mathematics
1 answer:
german3 years ago
3 0
3/-7 is equivalent to -3/7z
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A biologist wants to know the width w of a river in order to properly set instruments for studying the pollutants in the water.
belka [17]

Answer:   The river is 148.3 feet wide.

Step-by-step explanation:

Alright, lets get started.

Please refer the diagram I have attached.

The triangle formed is a right triangle.

Using SOH CAH TOA

tan 56 = \frac{x}{100}

Multiplying 100 in both sides

x = 100 \times tan56

x = 100 \times 1.4826

x = 148.26

Rounding to the one decimal place

x = 148.3

Hence river is 148.3 feet wide.   .............. Answer

Hope it will help :)

6 0
3 years ago
For which value of Theta is csc (Theta) undefined?
pantera1 [17]
The answer will be start fraction pi over 2 end fraction
8 0
3 years ago
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Can you help me ( 25 points) asap
BartSMP [9]
A.
estimate: 8/5
quotient:1.6

b.
estimate: 7
quotient: 7

c.
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3 years ago
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Three fifths of the children in a school are boys. 7/8 of the girls in the school are right-handed. What fraction of the childre
Kaylis [27]

Answer:

To find the answer we only need to know,

Total no.of girls and Total no.of right handed girls.

So,

Total no.of right handed girls = 7/8

Total no.of girls                        = 8/8 (as given in question)

Total no.of left handed girls is,

(Fraction of total no.of girls) - (Fraction of total no.of left handed girls)

= 8/8 - 7/8

= 1/8

∴ 1/8 of the girls in the school are left handed.

7 0
3 years ago
The diameter of a baseball is approximately 3 inches. What is its volume? Round your answer to the nearest whole number.
OLga [1]

Answer:

I am not sure, but i think it is A

Step-by-step explanation:

8 0
2 years ago
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