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777dan777 [17]
3 years ago
7

AC = Round your answer to the nearest hundredth. A 5 35 B C

Mathematics
1 answer:
baherus [9]3 years ago
8 0

Answer:

2.87 = AC

Step-by-step explanation:

Since this is a right triangle we can use trig functions

sin theta = opp / hyp

sin 35 = AC /5

5 sin 35 = AC

2.867882182= AC

To the nearest hundredth

2.87 = AC

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3 years ago
The value of y varies directly with x, and y=3 when x=9 find y when x = 21
tester [92]

Answer: y = 7

Step-by-step explanation:

Step 1) plug in 3 for y and 9 for x in the direct variation formula, which is y = kx

3 = k(9)

Step 2) Solve for k

3 = k(9) (Divide by 9 on both sides)

3/9 = k (Now simplify 3/9)

1/3 = k. So k = 1/3

*just FYI: “k” is the constant of variation.

Step 3) use the equation y = kx and plug in 1/3 for k

y = 1/3x

Step 4) using the equation y = 1/3x, plug in 21 for x.

y = 1/3(21) (1/3*21 is the same as 21/3)

y = 21/3 (21/3 = 7)

y = 7. So that’s you’re answer! When x=21, y=7 because 7 is 1/3 of 21!

Hope this helps! My best wishes to you as you go through school!

3 0
3 years ago
What is the sum of?<br><br> A. S=1.5<br> B.S=2<br> C.S=4.5<br> D.=8
sweet [91]
8.  You can graph this or use the summation function on the TI computer. 
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3 years ago
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denpristay [2]

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Step-by-step explanation:

Given

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Here,

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Therefore, value of c is 9.

3 0
3 years ago
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Lera25 [3.4K]

Answer: D: X3

Step-by-step explanation:

4 0
3 years ago
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