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Vinvika [58]
3 years ago
14

Help please, thinking it's C

Mathematics
1 answer:
Fantom [35]3 years ago
4 0
I am not sure, but my answer is (a). However, I also think its (c), but mainly (a). Please tell me if I was incorrect. I'm sorry. Hope I helped.
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Can someone help I’m not good with word problems
pickupchik [31]

Answer:

I agree that this question can be confusing:

Apparently point A and point B must be on the same straight line (measured from the light house or the question would be nonsensical)

tan 13 = H / DA      where H is height of lighthouse

tan 8 = H / DB       tangent measured from point B

tan 13 / tan 8 = DB / DA

DB = .2309 / .1405 * 1279 = 2101 ft

DB - DA = 2101 - 1279 = 822.0 ft

3 0
2 years ago
1.which side of AFED does AB in AABC correspond to?
erma4kov [3.2K]

Rotate one of them so the right angle is in the same orientation as the other one.

1. AB = DE

2. CB = FE

3. AC = DF

4. Compare the length of two known sides: cb and EF

CB = 3 and EF = 8

8/3 = 2 2/3 scale factor

5. Ab is side de. Multiply the length of ab by the scale factor:

4 x 2 2/3 = 10 2/3

6. FD = sqrt ( 10 2/3^2 + 8^2)

FD = 13 1/3

6 0
3 years ago
Which of ratio is equivalent to 3:4 ?<br> 12:9<br> 9: 20<br> 9:12<br> 803 : 804
Sever21 [200]

Answer:

C

Step-by-step explanation:

3/4 = 9/12

This is because

3 x 3 = 9

4 x 3 = 12

3/4 = 9/12

Hope that helps!

6 0
2 years ago
Read 2 more answers
Estimate the quotients 3.53/51 =
ale4655 [162]
An accurate estimate is anywhere from 0.06 to 0.07. The exact answer is 0.06921568627.
3 0
3 years ago
Does anyone know 1/4 x ? = -2?
SSSSS [86.1K]

Answer:

-8

Step-by-step explanation:

1/4 x = -2

You want the value of x. x is being multiplied by 1/4. To get x alone on the left side, you need to divide both sides by 1/4. Dividing by 1/4 is the same as multiplying by 4.

Multiply both sides of the equation by 4.

4 * 1/4 x = -2 * 4

4 * 1/4 = 1, so on the left side you get 1x which is just x.

x = 8

Answer: -8

8 0
2 years ago
Read 2 more answers
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