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3 years ago

Please hurry I'm being timed....

Mathematics

1 answer:

Vladimir79 [104]3 years ago

6 0

Answer: $2\sqrt{34$

Step-by-step explanation: The answer simplified is 2 radical 34

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If cotA=3/4 find sinA and cosA

Sladkaya [172]

Answer:

sin A = 4/5

cos A = 3/5

Step-by-step explanation:

SOHCAHTOA

cot A = 1/tan A

tan A = opp/adj

cot A = 1/tan A = adj/opp

cot A = 3/4

adj = 3; opp = 4

adj^2 + opp^2 = hyp^2

3^2 + 4^2 = hyp^2

9 + 16 = hyp^2

hyp = 5

sin A = opp/hyp

sin A = 4/5

cos A = adj/hyp

cos A = 3/5

Answer:

sin A = 4/5

cos A = 3/5

5 0

3 years ago

-0.8b^2+7.4b+(5.6b-0.2b^2)

puteri [66]

Answer:

what? I don't understand lol

5 0

3 years ago

Follow the process of completing the square to solve x2 - 10x + 8 = 0. How will the left side of the equation factor in step 5?

jasenka [17]

Answer:

$x=5(+/-)\sqrt{17}$

Step-by-step explanation:

we have

$x^{2}-10x+8=0$

Group terms that contain the same variable, and move the constant to the opposite side of the equation

$x^{2}-10x=-8$

Complete the square. Remember to balance the equation by adding the same constants to each side.

$x^{2}-10x+5^{2}=-8+5^{2}$

$x^{2}-10x+25=-8+25$

$x^{2}-10x+25=17$

Rewrite as perfect squares

$(x-5)^{2}=17$

Take square root both sides

$(x-5)=(+/-)\sqrt{17}$

Adds 5 both sides

$x=5(+/-)\sqrt{17}$

8 0

3 years ago

Calculate the slope of the line given the coordinates of the endpoints. (4, 10) , (6, 20) The slope is

labwork [276]

Answer:

the slope should be 5

Step-by-step explanation:

y = 5x - 10

7 0

3 years ago

Write an equation of the line below.

Blizzard [7]

Answer:

y=1/2x+4

Step-by-step explanation:

Refer to the picture that given :)

4 0

3 years ago

Read 2 more answers