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Rufina [12.5K]
3 years ago
9

Pete is standing 4 feet away from a mirror on the ground. Pete is 6 feet tall and can just see the top of the tree in the mirror

from where he is standing. The two triangles formed in the picture above are similar.
If the mirror is 16 feet away from the base of the tree, how tall is the tree?

a. 18 ft
b. 10 ft
c. 24 ft
d. 15 ft
Mathematics
2 answers:
Murljashka [212]3 years ago
5 0
It’s option c, 24ft.
Sedaia [141]3 years ago
3 0

Answer:

24ft

Step-by-step explanation:

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The data represented by the graph is normally distributed and adheres to the 68-95-99.7 rule. The standard deviation of this dat
kirill [66]
The rule sometimes called the Empirical Rule, which means "based on observations" The graph is shown this way : (see attachment). This rule is represented by a<span><span>bout 68% of values fall within one standard deviation of the mean.</span>About 95% of the values fall within two standard deviations from the mean.<span>Almost all of the values — about 99.7% — fall within three standard deviations from the mean.</span></span>

4 0
3 years ago
The midpoint between y and 33 is −7. Find y.
dusya [7]

Answer:

y=-47

Step-by-step explanation:

we know that

The formula to calculate the midpoint between two points in a number line is given by

m=(\frac{x_1+x_2}{2})

we have

x_1=y\\x_2=33\\m=-7

substitute the given values

-7=(\frac{y+33}{2})

solve for y

-14=y+33\\y=-14-33\\y=-47

4 0
3 years ago
Which graph represents a function with direct variation? A coordinate plane with a line passing through (negative 4, 0) and (0,
lesya692 [45]

Answer:

A line passing through the points (-1,-4),(0,0) and (1,4)

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form y/x=k or y=kx

In a proportional relationship the constant of proportionality k is equal to the slope m of the line and the line passes through the origin

<u><em>Verify each case</em></u>

Part 1) A line passing through the points (-4,0) and (0,-2)

This line not represent a direct variation, because the line not passes through the origin.

Part 2) A line passing through the points (-5,4) and (0,3)

This line not represent a direct variation, because the line not passes through the origin.

Part 3) A line passing through the points (-4,-6) and (0,3)

This line not represent a direct variation, because the line not passes through the origin.

Part 4) A line passing through the points (-1,-4),(0,0) and (1,4)

The line passes through the origin

Find out the value of k

k=y/x

For the point (-1,-4)

substitute

k=-4/-1

k=4

For the point (1,4)

substitute

k=4/1

k=4

The linear equation is  

y=4x

This line represent a direct variation

6 0
3 years ago
Read 2 more answers
If X is 5 what is 2X
barxatty [35]

Answer: 10

Step-by-step explanation:

2 is being multiplied by x which is 5. So the answer is 10.

6 0
3 years ago
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The couch in your living room is old. You decide to recover the couch cushions with new fabric instead of buying a new couch. Th
alexgriva [62]

Answer:

$36.25

Step-by-step explanation:

Surface area: 2*l*w+2*w*h+2*h*l

2*2*2.5+2*2.5*0.5+2*0.5*2

10+2.5+2

14.5 sq. ft.

14.5*2.50=36.25

6 0
3 years ago
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