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polet [3.4K]
2 years ago
7

12. In the diagram below…

Mathematics
1 answer:
aniked [119]2 years ago
4 0
It is number 3 why beacseu if u don’t have the length them u can’t do the equation
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IM DESPERATE I need help with #3. I would like it if you could explain how to do it because there are 2 more that are similar to
hodyreva [135]
$30 • 10%

10% = 0.10

30 • 0.10 = 3

The answer is $27. They got $3 off.

$30 - $3 = $27.
7 0
2 years ago
Read 2 more answers
A coat regularly cost $125 is put on sale for $75
Stels [109]
If a coat is regularly $125, and they mark it down to $75, we could figure out how much money was taken off by subtracting $75, from $125

$125 - $75 = $50

So the coats price was cut by $50.

Hope it helps
Please mark brainliest!
7 0
3 years ago
Help me with this!!! Please please
Rina8888 [55]

Answer:

about 154.3

Step-by-step explanation:

8 0
2 years ago
A zipline is constructed over a ravine as shown in the diagram at the right. What is the horizontal distance from the bottom of
Katyanochek1 [597]

Answer: X= 284.04

To solve for x, you must first find the missing angle in the left corner. I will name it "< Y" (Angle Y)

2

Sin50/250 = SinY/60

Set up your problem, then cross multiply.

3

60(Sin50)= 250(Sin Y)

60(Sin50)/250= Sin Y

After cross multiplying, you should be left with this. You then cancel out 250 by dividing it on both sides to get Sin Y by itself.

4

Sin Y = 0.183

Y= Sin-1 x 0.183

This is what it solves out to.

Now you cancel out Sin on both sides, and it should look like the bottom problem.

5

Y= 10.5

This is now your answer to plug into the problem needed to solve for X.

6

Now because you have 2 out of 3 angles, you can solve for the missing angle that lays opposite to x. ( in SOHCAHTOA you need the OPPOSITE and the HYPOTENUSE. The Hypotenuse is originally give, but we had to do extra solving to find the Opposite's degree.)

7

Because degree's in a triangle add to 180, we will add 50 degrees + 10.5 degrees to get 60.5 degrees. Now subtract 60.5 from the full 180 degrees and we get 119.5 degrees as the missing number that lays opposite from X. Now we can solve for X.

8

(Sin 119.5)/x = (Sin 50)/250

Set up your final problem as so and cross multiply.

9

X(Sin 50) = 250(Sin 119.5)

X = 250(Sin119.5)/(Sin50)

After cross multiplying, the problem should look like the one at the top. Cancel out Sin 50 to get X by itself by dividing both sides by Sin 50, then solve for X.

Step-by-step explanation:

8 0
3 years ago
What is the radius of a circle with an area of 1000π m^2?
Sliva [168]

Answer: r≈17.84

Step-by-step explanation:

6 0
2 years ago
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