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guajiro [1.7K]
2 years ago
11

PLEASE HELP ASAP IN A QUIZ RN

Mathematics
1 answer:
k0ka [10]2 years ago
8 0

Answer:

17 feet

Step-by-step explanation:

cos(65*) =  x/40

x= cos(65*)(40) =16.90 ft

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Step-by-step explanation:

Yeah.I would be glad to.

What do you need help with?

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A 25 foot ladder is leaning against a house. If the angle of Elevation of the ladder is 72 degrees:
coldgirl [10]

Answer:

1. 23.8

2. 7.7

Step-by-step explanation:

<u>for the first blank</u>

use sin because x is opposite and 25 is hypotenuse

set up an equation:

sin(72)= (x/25)

multiply both sides by 25:

25(sin(72))= (x/25)25

25(sin(72))= x

multiply 25 by sin(72):

23.8 = x

<u>for the second blank</u>

use cos because x is adjacent and 25 us hypotenuse

set up an equation:

cos(72)= (x/25)

multiply both sides by 25:

25(cos(72))= (x/25)25

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multiply 25 by cos(72):

7.7= x

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3 years ago
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Tju [1.3M]

Answer:

I believe D is the correct answer.

Step-by-step explanation:

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2 years ago
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vivado [14]

Answer:

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2 years ago
Judy went shopping for school supplies. She bought a binder for $1.38, a pack of pencils for $2.05, and a box of erasers for $3.
Annette [7]

Answer:

The change received by Judy is $ 2.69.

Step-by-step explanation:

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Total cost of the school supplies = $ 1.38 + $ 2.05 + $ 3.88 = $ 7.31

The amount of change Judy received = $ 10 - $ 7.31 = $ 2.69

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3 years ago
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