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TiliK225 [7]
3 years ago
6

A ladder is leaning against a building. The

Mathematics
1 answer:
arlik [135]3 years ago
3 0

Answer:α

=

71

°

:

explain:

From trigonometry we have:

cos

α

=

7

21

7

=

21

cos

(

α

)

and:

α

=

a

r

c

cos

(

7

21

)

=

70.5

≈

71

∘

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Can someone help me on this question?<br> Thank you
lina2011 [118]

Answer:

  BAE

Step-by-step explanation:

A quarter circle (angle BAD) will have a measure of 360°/4 = 90°. An angle of 105° will be larger than 1/4 circle. The only angle on the diagram larger than BAD is BAE.

The measure of angle BAE is 105°.

8 0
2 years ago
Which table represents a linear function?​
lesya [120]

Answer:

The third option (with the y values of -3, -5, -7, and -9)

Step-by-step explanation:

The y values in the third table are increasing by the same amount, indicating that the rate of change is constant, which is a key quality of a linear function.

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3 years ago
How to get x and y what the answers and how to get the answer
zhuklara [117]
ITS SIMPLE USE THE CORDANITS LIKE 13-10 13 OVER 10 UP 
4 0
3 years ago
Solve for x<br> 2(x + 4) = -6<br> x=
polet [3.4K]

Answer:

Step-by-step explanation:

here you go mate :)

step 1

2(x + 4) = -6  solving for x

step 2

2(x + 4) = -6  simplify by distributing

2x+8=-6

step 3

2x+8=-6  subtract 8

2x=-14

step 4

2x=-14  look for the number that can divide them both like 2

2x/2=-14/2

answer

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4 0
3 years ago
Please help.
Archy [21]

Answer:

2π

Step-by-step explanation:

When a circle's radius is 1—called a unit circle—its circumference is 2π.

7 0
3 years ago
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