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andreev551 [17]
4 years ago
11

PLEASE HELP

Mathematics
1 answer:
Ipatiy [6.2K]4 years ago
8 0
Direct variation equal is written as :  y = kx

K is the constant of variation. 

12 = k4
12/4 = k
k = 3

y = 3x

Answer: <span>B. y = 3x </span>
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Professor Plum is standing 10 feet from a streetlamp. The light from the lamp is making his
skelet666 [1.2K]

Answer:

15.10 ft

Step-by-step explanation:

It would be helpful to draw the figure from the problem statement above. Drawing it, would give you a right triangle shape where the base is equal to 10 ft + 8 ft = 18 ft with the angle of 40 degrees. We use knowledge on trigonometric functions to solve this.

tan (theta) = opposite side / adjacent side

tan 40 = x / 18

x = 15.10 ft

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7 0
3 years ago
Find the exact value of tan A in simplest radical form
AlladinOne [14]

Answer:

12.68 de

Step-by-step explanation:

8 0
3 years ago
There's a pair of points (3,5), (x,15) and a slope of 2 how do I find x​
sergeinik [125]

You have the slope and you have two points, so you can use the slope equation to find x.

b=\frac{(y_2-y_1)}{(x_2-x_1)} \\2=\frac{(15-5)}{(x-3)} \\2(x-3)=(15-5)\\2x-6=10\\2x=16\\x=8

So your answer is x = 8.

8 0
3 years ago
Read 2 more answers
Check all that apply
VladimirAG [237]
I think you are right . 1 ,2 and 4.
3 0
4 years ago
Simply by divinding (-5/8) ÷ (-3/4)
Tatiana [17]

Answer:

5/6

Step-by-step explanation:

(-5/8)÷(-3/4)=(-5/8)X(-4/3)=5/8 x4/3=5/6

6 0
3 years ago
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