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Scrat [10]
2 years ago
12

Prove that the left side equals to the right side: (sin x/(1-cos x))+(sin x/(1+cos x))=2 csc x

Mathematics
2 answers:
34kurt2 years ago
8 0

sorryy I haven't learned this yet

MAVERICK [17]2 years ago
3 0

Answer:

The left side does not equal to the right side. It's not an identify

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If EF is the perpendicular bisector of CD, find x.
Ksenya-84 [330]

Answer:

Step-by-step explanation:

A Perpendicular Bisector cuts a segment into two equal parts. We already know that 4x+19 and 6x-7 are both equal.

So then, you would start with 6x-7 = 4x+19.

6x-7 = 4x+19

Subtract -4x from both sides

2x-7 = 19

Add 7 to both sides

2x = 26

Divide both sides by two

x= 13

You only need x, so you're done.

(I'm like 90 percent sure this is wrong man don take my word for it bro).

5 0
2 years ago
Read 2 more answers
Alexis put $2000 in a savings account. After 4 years, she had $2543 in the account. What rate of interest did she earn? Use the
natta225 [31]
Alrighty

P=2000
A=2543
t=4

A=Pe^{rt}
2543=2000e^{4r}
solve

2543=2000e^{4r}

divide both sides by 2000

\frac{2543}{2000}=e^{4r}

take ln of both sides

ln(\frac{2543}{2000})=ln(e^{4r})

ln(\frac{2543}{2000})=(4r)ln(e)

ln(\frac{2543}{2000})=(4r)(1)

ln(\frac{2543}{2000})=4r

divide both sides by 4

\frac{ln(\frac{2543}{2000})}{4}=r

use your calculator

0.060049=r
convert to percent
that is about 6%

the interest rate is 6%
3 0
3 years ago
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In triangle STU, u2 = s2 + t2.
sineoko [7]

Answer:

(B) The measure of angle SUT is equal to 90 degrees

Step-by-step explanation:

It is given that in In triangle STU, u^2=s^2+t^2.

We can see from the triangle and also the given condition that the triangle will be right triangle as it is satisfying the Pythagoras theorem.

(Hyp)^2=(Base)^2+(Perpendicular)^2

that is:

u^{2}=s^{2}+t^{2}

where u is the hypotenuse, s is the base and t is the perpendicular.

Thus, the angle SUT should be of 90°.

Thus, The measure of angle SUT is equal to 90 degrees.

Hence, option B is correct.

3 0
3 years ago
111111111111111111111111111111111111111
Licemer1 [7]

Answer:

its the first one

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
At how many points does the graph of the function below intersect the x-
ella [17]

Answer:

2 points

Step-by-step explanation:

6 0
3 years ago
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