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lakkis [162]
3 years ago
11

(17, -6), (-11, 7) Find the slope of the line.​

Mathematics
1 answer:
kipiarov [429]3 years ago
5 0

Answer:

slope = -13/28

Step-by-step explanation:

slope = (y2-y1)/(x2-x1) = (7-(-6))/(-11-(17) = 13/-28

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Which set of lengths are not the side lengths of a right triangle? (A-28, 45, 53) (B-13, 84, 85) (C-36, 77, 85) (D-16, 61, 65) [
nikklg [1K]
Side lengths 16, 61, and 65 are not part of a right triangle.

A right triangle's sides should follow this formula, C being the largest number:

a^{2} + b ^{2} = c^{2}

16^{2} = 256

61^{2} = 3721

65^{2} = 4225

256 + 3721 = 3977

3977  \neq 4225
6 0
3 years ago
16.
KatRina [158]

Answer:

D

Step-by-step explanation:

is the correct answer i believe.

3 0
2 years ago
Read 2 more answers
Sinx = 1/2, cosy = sqrt2/2, and angle x and angle y are both in the first quadrant.
Leviafan [203]

Answer:

Option D. 3.73​

Step-by-step explanation:

we know that

tan(x+y)=\frac{tan(x)+tan(y)}{1-tan(x)tan(y)}

and

sin^{2}(\alpha)+cos^{2}(\alpha)=1

step 1

Find cos(X)

we have

sin(x)=\frac{1}{2}

we know that

sin^{2}(x)+cos^{2}(x)=1

substitute

(\frac{1}{2})^{2}+cos^{2}(x)=1

cos^{2}(x)=1-\frac{1}{4}

cos^{2}(x)=\frac{3}{4}

cos(x)=\frac{\sqrt{3}}{2}

step 2

Find tan(x)

tan(x)=sin(x)/cos(x)

substitute

tan(x)=1/\sqrt{3}

step 3

Find sin(y)

we have

cos(y)=\frac{\sqrt{2}}{2}

we know that

sin^{2}(y)+cos^{2}(y)=1

substitute

sin^{2}(y)+(\frac{\sqrt{2}}{2})^{2}=1

sin^{2}(y)=1-\frac{2}{4}

sin^{2}(y)=\frac{2}{4}

sin(y)=\frac{\sqrt{2}}{2}

step 4

Find tan(y)

tan(y)=sin(y)/cos(y)

substitute

tan(y)=1

step 5      

Find tan(x+y)

tan(x+y)=\frac{tan(x)+tan(y)}{1-tan(x)tan(y)}

substitute

tan(x+y)=[1/\sqrt{3}+1}]/[{1-1/\sqrt{3}}]=3.73

7 0
3 years ago
A glass jug can hold (6p+8) quarts more water than a plastic container. 2 glass jugs and 2 plastic containers contain 56p quarts
vitfil [10]
B if you the math it will equal that
7 0
3 years ago
Read 2 more answers
PVIEW (1)
Gekata [30.6K]

Answer: 4.234, 4.232, 4.228, 4.225

Step-by-step explanation:

When we have numbers higher than five we round up and when we have numbers below find we round down. When we have a number 5 we round up as well.

6 0
3 years ago
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