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Kisachek [45]
3 years ago
7

What is the length of the support AB ?

Mathematics
2 answers:
rewona [7]3 years ago
8 0
I think it is 9sin but I'm not sure.
butalik [34]3 years ago
7 0
Divide by 1/2 then multiply both 7 and 45
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3 years ago
A fireman has 12 ft. ladder and a 16 ft ladder. He leans the 12 ft ladder against a house at an angle of 57 degrees. He leans th
Sedbober [7]

Answer:

12 feet ladder

Step-by-step explanation:

Height of 12 ft ladder :

Using Pythagoras :

Tan θ = Adjacent / hypotenus

Tan 57 = h / 12

1.5398649 * 12 = 18.48 feets

For 16 feet ladder :

Tan θ = Adjacent / hypotenus

Tan 30 = h / 16

0.5773502 * 16 = 9.24 feets

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Hence, he'll climb the 12 feets ladder to the higher height

4 0
3 years ago
-2 1/4 divided by (-1 1/2) =
Diano4ka-milaya [45]

Answer:

9/22

Step-by-step explanation:

First:

Convert any mixed numbers to fractions.

Then your initial equation becomes:

−9/4 ÷ −11/2

Applying the fractions formula for division,

=−9×2 divided by 4×−11

=−18/−44

Simplifying -18/-44, the answer is

=9/22

8 0
2 years ago
Can y’all help me on question 11?!
Shtirlitz [24]

Answer:

a

Step-by-step explanation:

if there are zero two's, then it is zero

6 0
3 years ago
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