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2 years ago

Hi really need 1, 2 and 3!!!!! Thank you all in advance! Again just ONE, TWO, and THREE thanks!

Mathematics

2 answers:

S_A_V [24]2 years ago

4 0

1.) 19.24
2.) 8, 16, 24, 32, 40
3.) associative property

kvv77 [185]2 years ago

3 0

1. is 19.24
2. is 8,16,24,32,40
3. is associative property of addition

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The question is in the screenshot

Sidana [21]

Answer:

b. -36/77

Step-by-step explanation:

As 0 < x < $\pi$ /2 => tan x > 0

As 0< y < $\pi$ /2 => tan y > 0

We have the formula:

$\frac{1}{sin^{2}x } =1 + cot^{2}x$ => $\frac{1}{(8/17)^{2} }$ = $1+cot^{2}x$ => $cot^{2} x=225/64$

As tan x = 1/(cotx) => $tan^{2}x = \frac{1}{cot^{2}x} =\frac{1}{225/64} = \frac{64}{225}$

As tan x > 0 => tan x = 8/15

$\frac{1}{cos^{2}y } = 1+tan^{2}y$ => $\frac{1}{(3/5)^{2} } = 1 + tan^{2} y$ => $tan^{2}y=\frac{16}{9}$

As tan y > 0 => tan y = 4/3

As tan (x-y)= $\frac{tan x - tan y}{1+ tanx * tany}$ $=\frac{(8/15)-(4/3)}{1+(8/15)*(4/3)} = \frac{-36}{77}$

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2 years ago

The angle measures of a triangle are in the ratio 5:6:7. find the angle measures of the triangle

Mandarinka [93]

Answer:

50°, 60°, 70°

Step-by-step explanation:

Sum the parts of the ratio, 5 + 6 + 7 = 18 parts

The 3 angles in a triangle sum to 180° , then

180° ÷ 18 = 10° ← value of 1 part of the ratio, then

5 parts = 5 × 10° = 50°

6 parts = 6 × 10° = 60°

7 parts = 7 × 10° = 70°

The angle measures of the triangle are 50° , 60° , 70°

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2 years ago

Need helps asap, im tryna get all of my work done today. So someone answer this fastt

xeze [42]

(4,-5) is Point C

(-5,-4) is point H

(1,-1) is point G

(3,4) is point P

(5,0) is point Z

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Mice21 [21]

Answer B
There are 16 oz in a pound. 16(2)=32 and there are 4 oz leftover.

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2 years ago

What is 2 + -5 - -13

rosijanka [135]

Answer:

10.

The answer is 10.

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