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Oxana [17]
3 years ago
6

Mrs. Kelso and Mr. Bonham gave each their student a small bag of colored tiles. The student each counted the number of purple ti

les they received . The box plots display the data for both classes.

Mathematics
1 answer:
skelet666 [1.2K]3 years ago
8 0

Answer:

Step-by-step explanation:

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Y=-16t^2+8t
disa [49]

Answer:

1/4th of a second, or .25 seconds

Step-by-step explanation:

graphed it.

3 0
2 years ago
From a window 20 feet above the ground, the angle of elevation to the top of a building across
Nikitich [7]

Answer: The answer is 381.85 feet.

Step-by-step explanation:  Given that a window is 20 feet above the ground. From there, the angle of elevation to the top of a building across  the street is 78°, and the angle of depression to the base of the same building is 15°. We are to calculate the height of the building across the street.

This situation is framed very nicely in the attached figure, where

BG = 20 feet, ∠AWB = 78°, ∠WAB = WBG = 15° and AH = height of the bulding across the street = ?

From the right-angled triangle WGB, we have

\dfrac{WG}{WB}=\tan 15^\circ\\\\\\\Rightarrow \dfrac{20}{b}=\tan 15^\circ\\\\\\\Rightarrow b=\dfrac{20}{\tan 15^\circ},

and from the right-angled triangle WAB, we have'

\dfrac{AB}{WB}=\tan 78^\circ\\\\\\\Rightarrow \dfrac{h}{b}=\tan 15^\circ\\\\\\\Rightarrow h=\tan 78^\circ\times\dfrac{20}{\tan 15^\circ}\\\\\\\Rightarrow h=361.85.

Therefore, AH = AB + BH = h + GB = 361.85+20 = 381.85 feet.

Thus, the height of the building across the street is 381.85 feet.

8 0
3 years ago
Logan saved $35 from cutting the neighbor’s yard. He earns $10 a week from washing dishes, which he also saves. Which function c
balandron [24]

the answer is “s = 10w + 35” since he already has 35 but needs to find out how many weeks he washed the dishes :))

7 0
2 years ago
5. Find the value of x so that lines s and t are parallel.<br> (7x - 20)°<br> (4x + 16)
Thepotemich [5.8K]

The value of x so that lines s and t are parallel is 12

<h3 /><h3>How to find angles involving parallel lines?</h3>

The angle are alternate exterior angles.

Therefore, alternate exterior angle theorem states that when two parallel lines are intersected by a transversal, then the exterior angles formed on either side of the transversal are equal.

Hence,

7x - 20 = 4x + 16

7x - 4x= 16 + 20

3x = 36

x = 36 / 3

x = 12

Therefore, the value of x is 12.  

learn more on parallel lines here: brainly.com/question/4427808

#SPJ1

8 0
2 years ago
Which terms in the expression 9d2+15d3+11c2+7 have 14c2 as a like term?
KatRina [158]
That would be the term 11c2 because like 14c2, 11c2 has a constant, a variable and raised to the power of 2.
3 0
3 years ago
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