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rusak2 [61]
4 years ago
12

an 18 ft tree casts a 15ft long shadow. What angle is formed? A.) 30 degrees B.)40 degrees C.) 50 degrees D.) 60 degrees

Mathematics
1 answer:
loris [4]4 years ago
8 0

Answer:

Option C 50\°

Step-by-step explanation:

Let

A-------> the angle

see the attached figure to better understand the problem

we know that

In the right triangle

tan(A)=\frac{18}{15}

A=arctan(18/15)=50\°

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What does x equal in this equation
Slav-nsk [51]

3ax + b = c

subtract b from each side

3ax +b-b = c-b

3ax =c-b

divide each side by 3a

3ax/3a = (c-b)/3a

x = (c-b)/3a

Choice C

4 0
4 years ago
What is the slope of the line passing through the points (-1, 7) and (4, - 1)?
katovenus [111]
To do this you will use the equation m=y2-y1/x2-x1. So think of the points as x1=-7, y1=7 & x2=4,y2=-1 and then simply replace them in the equation so, (-1)-7/4-(-1)= 8/5. And 8/5 cannot be further simplified so that’s ur answer.
4 0
4 years ago
a school has 520 students. dan surveys a random sample of 50 students and finds that 32 have pet cats. how many students are lik
Karo-lina-s [1.5K]
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8 0
3 years ago
Read 2 more answers
Find the values of x and y.
DENIUS [597]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
Determine the intercepts of the line that correspond to the following table of values.
Ksju [112]
(-24,-2)(-15,-8)
slope = ( - 8 - (-2) / (-15 - (-24) = (-8 + 2) / (-15 + 24) = -6/9 = - 2/3

y = mx + b
slope(m) = -2/3
use any of ur points (-24,-2)...x = -24 and y = -2
now we sub and find b, the y int.
-2 = -2/3(-24) + b
-2 = 16 + b
-2 - 16 = b
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so ur equation is : y = -2/3x - 18

now in y = mx + b form, the y int is in the b position
y = mx + b
y = -2/3x - 18
so ur y intercept is -18 or (0,-18) <=====

to find the x int, sub in 0 for y and solve for x
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8 0
4 years ago
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