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mamaluj [8]
2 years ago
9

If the sine of angle a is 15/17 what is the cosine of angle a

Mathematics
1 answer:
Aleonysh [2.5K]2 years ago
5 0

Answer:

sin A = opp/hyp = 15/17

Right triangle

Therefor

a² + b² = c²

adj² + opp² = hyp²

adj² + 15² = 17²

adj² = 17² - 15²

adj² = 289 - 225

adj² = 64

adj = 8

Cos = adj/hyp

cos A = 8/17 <–––––

Step-by-step explanation:

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what is the correct upper and lower control limits for 8.42 pounds and the accectable range for plus or minus .65 pounds
sweet [91]

Answer:

9.07 and 7.77 respectively.

Step-by-step explanation:

To determine the upper control limit, add 0.65 lb to 8.42 lb, obtaining 9.07 lb.

To determine the lower one, subtract 0.65 lb from 8.42 lb, obtaining 7.77 lb.

7 0
3 years ago
F(x) = 6x +1, find f (4c+2)<br> 24c - 13<br> O 18c + 1<br> 240 + 13<br> 240 + 1
postnew [5]

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Step-by-step explanation:

8 0
3 years ago
The volumes of two cubes are 32ft^3 and 1372ft^3
ser-zykov [4K]

Answer:

1) 8 : 343

2) 42.875 or 42 ⅞

3) 4 : 49

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Step-by-step explanation:

Volume of cube: s³

Surface area of cube: 6s²

_____________________

32ft^3 and 1372ft^3 →

32 : 1372 = 8 : 343

343 / 8 = 42 ⅞ = 42.875

s³ → 6s²

s³ = 8, s = 2, s² = 4.

s³ = 343, s = 7, s² = 49.

These are proportional so it is already in the simplest ratio so it is not necessary to multiply by 6.

s³ → 8 : 343

6s² → 4 : 49

(4 / 49) × 196ft² = 16ft²

4 0
3 years ago
Here are 3 number 1 2 4 what it the 4 and 5 terms of the sentance
zzz [600]
‘1 2 4 8 16’
my thinking is the numbers are squared.
3 0
3 years ago
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Can someone explain what dilatation is in math?
Helen [10]

Answer:

A dilation that creates a smaller image is called a reduction. A dilation stretches or shrinks the original figure. A description of a dilation includes the scale factor (or ratio) and the center of the dilation. The center of dilation is a fixed point in the plane.



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3 years ago
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