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3 years ago

Help needed!! 10 points available

Mathematics

1 answer:

Yuliya22 [10]3 years ago

3 0

Answer: choice D) 5/2

The csc or cosecant value is the reciprocal of the sine value. All you do is flip the fraction given. In terms of notation, we can say csc(theta) = 1/sin(theta). If sin(theta) = a/b, then csc(theta) = b/a.

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A 29- m tall building casts a shadow. The distance from the top of the building to the tip of the shadow is 33 . Find the length

prohojiy [21]

Answer:

About 17.7 meters.

Step-by-step explanation:

This can be solved by imagining the triangle formed by the building and its shadow. The hypotenuse of the triangle, the distance from the tip of the building to the tip of the shadow, is 34 meters, and one of the legs is 29 meters. Therefore, we can use the Pythagorean theorem to find that the third side is . Hope this helps!

6 0

3 years ago

A father decided to give twenty five percent of his monthly income to his three children as their monthly allowance. The eldest

Helen [10]

Answer:

The youngest child will receive $2000

Step-by-step explanation:

A father decided to give 25% of his monthly income to his three children as their monthly allowance.

The eldest child got 45% of the allowance and the youngest got 20%. This means that the second child got:

100 - (45 + 20) = 100 - 65 = 35%

The second child received $3500.

Let the 25% of his monthly income be x.

Hence:

35% of x = 3500

=> $\frac{35}{100} * x = 3500$

$x = \frac{3500 * 100}{35}$

x = $10000

The amount the man shared among his children is $10000.

Hence, the youngest child (20%) will receive:

20% of $10000

$\frac{20}{100} * 10000$

= $2000

The youngest child will receive $2000.

3 0

3 years ago

What does 3ˣ + 4·3ˣ⁺¹ =<br> a. 13·3ˣ⁺¹<br> b. 5·3ˣ⁺¹<br> c. 5·3²ˣ⁺¹<br> d. 13·3ˣ

Crazy boy [7]

Answer:

D. 13*3^x

Step-by-step explanation:

$3^x +4*3^x^+^1= \\3^x+4*3(3^x)=\\3^x(1+[4*3])=\\3^x(1+12)=\\3^x(13)=\\13*3^x$

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3 years ago

How many centimeters are the two cities apart?

ikadub [295]

The cities are 375 miles apart in real life. 10 miles in real life is 2 centimeters on the map. To find the answer to the question, divide 375 by 10 and then multiply by 2.

(375/10)×2=37.5×2

=75

They are 75 centimeters apart on the map.

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ddd [48]

The answer is x = -7

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3 years ago

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