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Semmy [17]
2 years ago
11

Solve for a. ab +c=d a=b/(c-d) a = (d - C)/b a=b+c/d

Mathematics
2 answers:
Snowcat [4.5K]2 years ago
3 0
Can't there be infinite answers? I think is one though
LuckyWell [14K]2 years ago
3 0

Answer:

ab +c=d

Step-by-step explanation:

just took the test

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A 45 foot ladders leaning up against a building. The base of the latter is 20 feet away from the building. What is the angle of
Tatiana [17]

Answer:

The angle of elevation to the top of the building is 63.61 degrees

Step-by-step explanation:

Here, we want to calculate angle of elevation to the top of the building.

For this, we need a triangle

Please check for this in the attachment.

From the diagram, we are to calculate the angle theta.

To do this, we use trigonometric identities.

Looking at what we have, we have the hypotenuse and the adjacent.

So the trigonometric identity to use is the cosine

Mathematically Cosine theta = adjacent/hypotenuse

Thus, Cos theta = 20/45

Cos theta = 0.444444444444444

Theta = Arc cos(0.444444444444444)

Theta = 63.61 degrees

8 0
3 years ago
I NEED AN ANSWER ASAP! Write the equation of the line passing through (7, 1), (7, -4), and (7, 4).
nekit [7.7K]

y = 0x +0

this line is straight up and down so it has a slope of 0 and it never crosses the y axis so it has a y intercept of 0.

4 0
3 years ago
PLEASE HELP!!!!!!! :/
gregori [183]
The answer is 45 when you substitute all the variables in
5 0
2 years ago
Read 2 more answers
Factor completely 5ax2 − 20x3 + 2a − 8x.
Viefleur [7K]

Answer:

C

Step-by-step explanation:

5ax²-20x³+2a-8x

=5 x²(a-4x)+2(a-4x)

=(a-4x)(5x²+2)

3 0
2 years ago
Read 2 more answers
Simplify the following fractions by putting them in lowest terms or by performing the indicated operations.
AleksAgata [21]
The answer is 9(3+x)
My work is in the attached image

3 0
3 years ago
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