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liraira [26]
3 years ago
6

Help!! Math question

Mathematics
1 answer:
Pachacha [2.7K]3 years ago
7 0
Your answer is D......................
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A tree casts a shadow that is 125 ft. At the same time, a 4ft tall person
jekas [21]

Answer:

100ft

Step-by-step explanation:

H over S

H over 125 then 4 over 5

cross Multiply would give you

5H = 500

500 ÷ 5 is 100

6 0
3 years ago
A rectangle with vertices A(6, 0), K(0,0), L(0,9), and M(6, 9) is rotated around the x-axis. To the nearest tenth of a cubic uni
koban [17]

Answer:

1526.0 cubic units

Step-by-step explanation:

Rotating rectangle AKLM you will get cylinder with height KA and base radius KL.  From the given data

KA=\sqrt{(6-0)^2+(0-0)^2}=6,\\ \\KL=\sqrt{(0-0)^2+(9-0)^2}=9.

The volume of the cylinder is

V_{cylinder}=\pi r^2\cdot H.

Then

V_{cylinder}=\pi \cdot 9^2\cdot 6=486\pi \approx 1526.0\ un^3.

7 0
3 years ago
Suppose you travel at 70 mph for 520 miles. How many hours will take you to reach your destination
il63 [147K]

Answer:

7.4

Step-by-step explanation:

3 0
3 years ago
Not sure how to do this problem
myrzilka [38]
First we need to write the factors of the polynomial. In order for 1, 4, and -3 to be roots, they need to be the x values that make the polynomial equal 0.

(x - 1) = 0

That would be the factor for x = 1 because when we plug 1 in for x we get 1 - 1 which equals 0.

Multiply all the factors together.

(x-1)(x-4)(x+3)=0

Now FOIL.

(x^2-5x+4)(x+3)

x^3-2x^2-11x+12
5 0
4 years ago
How many number cards are there in a deck of cards
mart [117]
...aish maybe about 100-
3 0
4 years ago
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