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Levart [38]
3 years ago
15

The two-way table below gives information on seniors and juniors at a high school and by which means they typically get to schoo

l.
you select one student from this group at random. If the student says he is a senior, what is the probability that he or she takes the bus to school.

A) 0.073
B) 0.160
C) 0.256
D) 0.455​

Mathematics
1 answer:
tigry1 [53]3 years ago
5 0

Answer:

C

Step-by-step explanation:

64/250 is 25% which translates to .25

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A photographer is 6 feet tall and cast a shadow that is 2 feet long. He is photographing a palm tree with a shadow that is 7 fee
Novay_Z [31]

Answer: The height of the tree is 21 feet.

Step-by-step explanation:

Here we can assume that the angle at which the sun impacts the photographer and the tree to be the same angle.

Then we can think in both cases as triangles rectangles, where the height is a cathetus, and the shadow is the other cathetus.

Then we will have a relationship like:

Tg(angle) = shadow/height

height = shadow/Tg(angle)

Now, because for both triangles we have the same angle, then Tg(angle) will be the same number for both cases, and we can just think of it as constant K

Tg(angle) = K

Then we have the equation:

Height = Shadow/K

We know that the photographer is 6ft tall, and his shadow is 2 ft long, we can replace those two things in the above equation and find the value of k:

6ft = 2ft/K

K = 2ft/6ft = (1/3)

Now we know that the shadow of the tree is 7ft long, then the height will be:

height = 7ft/(1/3) = 7ft*3 = 21ft

The tree is 21 ft tall.

6 0
3 years ago
Ms graves gave her class 12 minutes to read. Carrie read 5 1/2pages in that time. At what rate ,in pages per hour ,did Carrie re
Rainbow [258]
12 mins
60 mins per hour
we are trying to find an equivilent fraction that has 60 in the bottom
so
(5 and 1/2)/12=x/60
multiply both sides by 60
330/12=x
divide
27 and 1/2=x

she read 27.5 pages per minute
5 0
3 years ago
Read 2 more answers
Danielle invests $2,007 in a retirement
ivanzaharov [21]
Formula For finding Simple interest= Profit x rate x time/ 100

Profit = $2,007 x Rate= 7% x Time = 16 years


2,007 x 7 x 16
__________ = 224,784 ÷100 = 2,247.84
100


Answer :- 2247.84
5 0
3 years ago
Read 2 more answers
Gcf of 63 and 27 i will give toy 12pts
NeTakaya
GCF is 3×3 so it is 9
4 0
3 years ago
Two sides of an isosceles triangle are 4 and 8. Which of the following choices could be the measure of the third side?
Feliz [49]

Answer:

8 is answer. isoceles triangles must have two equal sides, where the smaller makes the base and the two larger are the legs.

Step-by-step explanation:

4 0
3 years ago
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