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Vlad1618 [11]
2 years ago
11

52 is 12.5% of what number

Mathematics
2 answers:
Diano4ka-milaya [45]2 years ago
3 0
To do this dived a hurend by 12.5 then multiply that number by 52 (416)
My name is Ann [436]2 years ago
3 0
18 is the answer divided
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Monica [59]

It says that the triangles are congruent (same size). Also, a triangle's angles add up to 180 degrees. In both of these triangles, one angle is 90° and another angle is 52°. The other angle is 180°-90°-52°=38°.

Solve these equations to find x and y: 2x+18=38, 3y+11=38

2x+18=38\\2x=20\\x=10

3y+11=38\\3y=27\\y=9

5 0
2 years ago
Change Y - 4X = 0 to the slope-intercept form of the equation of a line.
Bingel [31]

Answer:

y=4x

Step-by-step explanation:

Add 4x to both sides to get y=mx+b

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6 0
3 years ago
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.

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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

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Theta = 63.61 degrees

8 0
3 years ago
What is the value of the expression below when x equals 5?
astraxan [27]
The answer is B.

14 + 15x
14 + 15(5)
14 + 75
89
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2 years ago
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