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Fofino [41]
4 years ago
6

A painter is placing a ladder to reach the third story window, which is 11 feet above the ground and makes an angle with the gro

und of 80°.
How far out from the building does the base of the ladder need to be positioned? Round your answer to the nearest tenth.
Mathematics
1 answer:
grandymaker [24]4 years ago
3 0

Answer:

x = 1.91 ft

Step-by-step explanation:

We use cosine because we are dealing with Adj and Hyp

cos 80 = x/11

x = 11 cos 80

x = 1.91 ft

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Put a check by all the prime numbers.
PolarNik [594]

Answer: 3, 5, and 11

Step-by-step explanation: a prime number is a number greater than 1 that is not a product of two smaller natural numbers.

8 0
3 years ago
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Write an expression for the calculation double the product of 4 and 7
Dimas [21]
Double means times 2.
Product means multiplication.

So the answer is 2(4*7)

8 0
4 years ago
Can anyone help me with my math if not I'll just look it up on g o o g l e
Dahasolnce [82]

Answer:

Which math do you need to use help?

8 0
3 years ago
What is the value of y if f||n<br> ?????
Elenna [48]

Answer:

y = 148°

Step-by-step explanation:

4x - 18 = 2x + 12 (alternate exterior angles are congruent)

Collect like terms

4x - 18 = 2x + 12

4x - 2x = 18 + 12

2x = 20

Divide both sides by 2

x = 10

y = 180 - (2x + 12) (linear pair theorem)

Plug in the value of x

y = 180 - (2(10) + 12)

y = 180 - (20 + 12)

y = 148°

5 0
3 years ago
Tonia and trinny are twins. Their friends give them identical cakes for their birthday. Tonia eats 1/8 of her cake and trinny ea
Nikitich [7]

Answer:

\frac{7}{12} of the cake

Step-by-step explanation:

add \frac{1}{8} and \frac{1}{6} to see the total amount of cake eaten.

a. find the common denominator: 8 x 3 = 24 and 6 x 4 = 24

b. multiply accordingly to get the correct numerator: \frac{3}{24} + \frac{4}{24}

c. add: \frac{3}{24} + \frac{4}{24} = \frac{7}{24}

subtract found value from total to find left over cake.

a. 24 - 7 = 14

simplify.

a. \frac{14}{24} = \frac{7}{12}

You are left with \frac{7}{12} of the cake.

8 0
4 years ago
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