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Rasek [7]
3 years ago
13

A ladder leaning against a wall forms a triangle and exterior angles with the wall and the ground. What are the measures of the

two exterior angles? (These are (1) the ladder to the ground and (2) the ladder to the side of the house.) Justify your answer.

Mathematics
1 answer:
Paha777 [63]3 years ago
7 0
11x° is interior angle of ladder to the ground
and 7X° is interior angle of ladder to the wall

exterior angle of a ladder to wall is 180-7x
and exterior angle of a ladder to ground is 180-11x
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Please help me with this problems before my head explodes
Orlov [11]

Answer:

1: c over 3

2: 9

3: 15 square root of 3

4: 5 + 2√6

Sorry but that's all I got

Step-by-step explanation:

4 0
3 years ago
Days before a presidential​ election, a nationwide random sample of registered voters was taken. Based on this random​ sample, i
erica [24]

Answer:

We are 95% confident that the percentage of registered voters in the nation planning on voting for Robert Smith is between 49% and 55%.

Step-by-step explanation:

Given that :

Margin of Error = ±3%

Sample Proportion = 52%

Confidence level = 95%

The 95% confidence interval is :

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Upper boundary = 52% + 3% = 55%

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7 0
2 years ago
The question is in the pic :)
Scrat [10]
I think it’s either a or d
8 0
2 years ago
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Which equation is the inverse of Y equals 2X squared -8
kipiarov [429]

Answer:f−1(x)=√2(x+8)2,−√2(x+8)2

Step-by-step explanation:

Interchange the variables. Solve for y. Solve for y and replace with f^-1(×). Replace the y with f^-1 (x) to show the answer.

8 0
3 years ago
Solve for a <br> 9a² = 16a<br> College Intermediate Algebra
Fed [463]

We want to solve 9a² = 16a for a.

Because the a is on both sides, a good strategy is to get all the a terms on one side and set it equal to zero. Then we apply the Zero Product Property (if the product is zero then so are its pieces and Factoring.

9a² = 16a

9a² - 16a = 0                <-----subtract 16a from both sides

a (9a - 16) = 0               <-----factor the common a on the left side

a = 0   OR   9a - 16 =0   <----apply Zero Product Property

Since a = 0 is already solved we work on the other equation.

9a - 16 = 0

9a = 16                        <----------- add 16 to both sides

a = 16/9                       <----------- divide both sides by 9


Thus a = 0 or a = 16/9

7 0
3 years ago
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