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pantera1 [17]
2 years ago
5

A ladder is propped against the side of a building making a 30 degree

Mathematics
1 answer:
Dahasolnce [82]2 years ago
3 0
Using trigonometry. This picture shows a ‘not to scale’ sketch of the following question. Use Sin 30. Sin 30= opposite/hypo tenuse. That is simply dividing 6 ft over Sin 30 that is 12 feet.

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A sporting goods store wants to display 64 sneakers in rows.Each row must contain the same amount of sneakers. Which arrangement
GenaCL600 [577]

Answer:

Step-by-step explanation:

3 rows of 21 sneakers.

If you add 21+21 it equals 42, which is two rows. If you add that last row, 42+21, you end up with 63.

3 0
2 years ago
n a jar of coins, the ratio of nickels to dimes is 5:7. If the jar contains 350 dimes, how many nickels are there?
irina1246 [14]

Answer:

250 nickles

Step-by-step explanation:

Nickles and dimes are coins with different currency values. One nickel(N) is equal to 5 cents while one dime(D) is equal to 10 cents. The ratio of nickel:dime is 5:7, to put into the equation it will be:

N/D= 5/7

7N=5D   ---> 1st equation

There are 350 dimes, the equation will be:

D=350   ----> 2nd equation

We can find out the number of nickels by substitute the 2nd equation into the first. The calculation will be

7N=5D

N= 5D/7

N=5(350)/7

N=  250

4 0
3 years ago
How do the mathematical domain and reasonable domain compare
dexar [7]
---
weekly income y:
y = 10x
where x is number of hours worked per week
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domain: x >= 0 hours
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3 0
3 years ago
Tyler has 2 dogs and 7 fish. What is Tyler's ratio of fish to dogs?
sergij07 [2.7K]

Answer:

2:7

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
What is the estimate of a door in feet
AleksandrR [38]

The height of an interior residential door is about 7 ft.

Doors on commercial buildings or upscale residences may be taller. The usual width is about 3 ft.

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My front door measures 6 2/3 ft high by about 3 ft wide. My bedroom doors are 2 1/2 ft wide. The minimum for ADA-compliant doors is 2 2/3 ft.

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3 years ago
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