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Mrrafil [7]
3 years ago
8

Use the table to write a proportion

Mathematics
1 answer:
mezya [45]3 years ago
6 0
15 songs over 2.5 hours is equal to 18 songs over h hours.
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Mr. Lester's maximum heart rate is 180 beats per minute. When he exercises at the gym.
Basile [38]

Answer: 108

Step-by-step explanation: 60% of 180 is 108

8 0
3 years ago
Read 2 more answers
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
ANSWER ASAP!! URGENT
sineoko [7]

Answer:

The vertex of the right angle in each triangle are on points (-1, 1) and (4, -2), as can be seen in the figure

Step-by-step explanation:

thank me later

8 0
3 years ago
Need help can someone help me pleaseeee
Hunter-Best [27]

at first we write each one as a sequence

and find its equation

the first table

-19, -11, -3, 5

8x-19

the third table

15,12,9,6

-3x+15

the second table

-1. 5,1.5,3,4.5

+3 +1.5 +1.5

so the third table is the nonlinear function

8 0
3 years ago
A. Ana bought a table having an area of
Anna35 [415]

Answer:

The side length of the table is x + 5

Step-by-step explanation:

To solve this, you need only take the square root of the area:

\sqrt{x^2 + 10x + 25}\\= \sqrt{(x + 5)^2}\\= x + 5

So the side length of the table is x + 5

7 0
3 years ago
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