3 years ago

I Need Help Please And Thank You

Mathematics

1 answer:

Romashka [77]3 years ago

6 0

C. Yes, because it passes the vertical line test.

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TRIGONOMETRY , can you solve this plz:(<br>even if you know one of them,plz help:)

daser333 [38]

Answer:

See below

Step-by-step explanation:

$\frac{1}{1-cos A} - \frac{1}{1+cos A} =2 cosec A cot A \\ \\ L. H. S.= \frac{1}{1-cos A} - \frac{1}{1+cos A} \\ \\ = \frac{1+cos A - (1 - cos A)}{(1-cos A)(1+cos A)}\\ \\ = \frac{1+cos A - 1 + cos A}{1-cos^{2} A}\\ \\ = \frac{2cos A }{sin^{2} A}\\ \\ =2 .\frac{1}{sin A}.\frac{cos A }{sin A}.\\ \\ = 2.cosec \: A.cot \: A \\ \\ = R.H.S$

5 0

3 years ago

Does anybody know the answer?

kirill [66]

Answer:

y+48=90

y= 90-48

y= 42

Step-by-step explanation:

by using the property

sum of two opposite interior angles of triangle is equal to exterior angle

4 0

3 years ago

E. Find the slope of the line that passes through the points (1, 3) and (9,7),

Zolol [24]

Answer:

0.5

Step-by-step explanation:

→ Find the difference in y

7 - 3 = 4

→ Find the difference in x

9 - 1 = 8

→ Divide the results

4 ÷ 8 = 0.5

8 0

3 years ago

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Brooklyn is going to invest in an account paying an interest rate of 1.9% compounded continuously. How much would Brooklyn need

shusha [124]

Bruh this is it this is it

5 0

3 years ago

Read 2 more answers

Solve for x, ab and bc

Savatey [412]

Answer:

x = 5

AB = 26

BC = 39

Step-by-step explanation:

A___B___C

AC = AB + BC

65 = (5x+1) + ( 7x+4 )

65 = 12x + 5

12x = 65-5

12x = 60

x = 60/12

x = 5

AB = 5x +1 = 5(5) +1 = 25 +1 = 26

BC = 7x+4=7(5) + 4 = 35 +4 = 39

I hope I helped you^_^

7 0

2 years ago