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qwelly [4]
3 years ago
9

An electrician leans an extension ladder against the outside wall of a house so that it reaches an electric box 28 feet up. The

ladder makes an angle of 64 ∘with the ground. Find the length of the ladder. Round your answer to the nearest tenth of a foot if necessary.
Mathematics
1 answer:
Nookie1986 [14]3 years ago
8 0

Answer:

31.2 ft

Step-by-step explanation:

sin = opp/hyp

sin64 = 28/hyp

hyp = 28/sin64

use calculator

hyp = 31.15285433330529

Rounded

31.2 ft

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John's cell phone gives him 1250 minutes for $25. He used 1300 minutes. How much will his cell phone company bill him for?
kondaur [170]

Answer:

$26.

Step-by-step explanation:

We have been given that John's cell phone gives him 1250 minutes for $25. We are asked to find John's bill for 1300 minutes.

First of all, we will find charges per minute by dividing $25 by 1250 as:

\text{Charge per minute}=\frac{\$25}{1250}

\text{Charge per minute}=\$0.02

Now, we will multiply 1300 by $0.02 to find John's bill.

\text{John's bill}=\$0.02\times 1300

\text{John's bill}=\$26

Therefore, John's company will charge him $26 for 1300 minutes.

3 0
3 years ago
Read 2 more answers
Find the length segment AB if A(-1,7) and B(11,-1) (Round to 1 decimal place)
frosja888 [35]
The answer is c because you have to divide first and round the decimal by one place to the left or right
8 0
3 years ago
..Urgent.. 600 students attend Ridgewood Junior High School. 10% of students bring their lunch to school everyday. How many stud
zysi [14]

Answer:

Number of student bring their lunch = 60

Step-by-step explanation:

Given:

Total number of student = 600

Student bring their lunch = 10%

Find:

Number of student bring their lunch

Computation:

Number of student bring their lunch = Total number of student x Student bring their lunch

Number of student bring their lunch = 600 x 10%

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3 0
3 years ago
Which of the following is true?
EleoNora [17]
The options can be rewrited as follow:
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B. 5<5
C. 5<4
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∴ Answer is none of the above.

Unless perhaps you have written down the question incorrectly.
8 0
3 years ago
In a right triangle whose area is 12, each leg is as long as the side of a certain square. What is the area of the square?
kakasveta [241]
The area of a Square is 144 because 12x12 is 144 and if both sides are 12 then that equals 144. 

Hope this helps!
4 0
3 years ago
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