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Svetradugi [14.3K]
2 years ago
9

A. 8/17 B. 15/17 C. 15/8 D. 8/15

Mathematics
1 answer:
Vlada [557]2 years ago
8 0

Answer:

A)  8/17

Step-by-step explanation:

cos = adj/hyp

In this problem the unknown angle has a hypotenuse pf 17, 15 as opposite, and 8 as adjacent

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Find Root of Equation Using Newton’s Method:
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Answer:

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Step-by-step explanation:

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Is 2493 closer to 2400 rounded or 2,353
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Read 2 more answers
Determine if jk and lm are parallel, perpendicular, or neither j(1,9),k(7,4),l(8,13),m(-2,1)
photoshop1234 [79]

Answer:

"perpendicular"

Step-by-step explanation:

We need to find slope (m) of both line JK and LM

Slope has formula:

m=\frac{y_2-y_1}{x_2-x_1}

Lets find slope of JK:

m=\frac{4-9}{7-1}\\m=-\frac{5}{6}

Lets find slope of LM:

m=\frac{y_2-y_1}{x_2-x_1}\\m=\frac{1-13}{-2-8}\\m=\frac{6}{5}

we know if we multiply two lines' slope and get -1, they are perpendicular. Let's check:

-\frac{5}{6}*\frac{6}{5}=-1

Hence, they are perpendicular

4 0
3 years ago
Please answer correctly and I will give brainliest and crown plus an extra 20 points
gayaneshka [121]

Answer:

30.28 yd²

Step-by-step explanation:

Area enclosed = area of trapezoid + area of semicircle

= ½(a + b)*h + ½(πr²)

Where,

a = 5 yd

b = 2 + 5 = 7 yd

h = 4 yd

r = ½(4) = 2 yd

Plug in the known values

Area enclosed = ½(5 + 7)*4 + ½(π*2²)

Area enclosed = ½(12)*4 + ½(π*4)

= 6*4 + π*2

= 24 + 2π

= 30.2831853

≈ 30.28 yd² (2 decimal places)

8 0
3 years ago
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