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Darina [25.2K]
4 years ago
6

Solve: 2sec(x) + 5 = 9 Which equation is equivalent to the given equation?

Mathematics
1 answer:
Sonja [21]4 years ago
7 0

Answer:

It's cos(x) = 1/2

Step-by-step explanation:

The First one is A and the second one is also A.

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Three angles of a quadrilateral are 75°, 90° and 75°. What is the measure of the fourth angle?
Sergio039 [100]

the inside of quadrilateral is always 360°.So add 75°,90° and 75° and then subyaract from360°.

x+75°+75°+90°=360

×+240°=360°

x=360°-240°

x=120°

4 0
3 years ago
What is the square root of: <br> 36<br> 81<br> 121 and <br> 49<br> Please answer like a six grader
harina [27]

The square root of 49 is the number, which multiplied by itself, is 49. In other words, the square of this number equals forty-nine. If you have been looking for square root of forty-nine, then you are right here, too. On this page you can also find what the parts of √49 are called, and in addition to the terminology of √49, we also have a calculator you don’t want to miss. Read on to learn everything about the sqrt 49.

this should help u answer it

6 0
3 years ago
Read 2 more answers
Determine the nth term for each of the following sequences:16,15,14,13,12,..
Vladimir79 [104]
F(n) = 1st term - common difference (n - 1)

The operation is subtraction because the sequence is decreasing.

n = number of the term you are looking for
1st term = 1st number in the sequence, in this case, 16
common difference = difference between one number to the next

f(n) = 16 - 1(n-1)

Assuming we are looking for the 5th term.
f(5) = 16 - 1(5-1)
       = 16 - 1(4)
       = 16 - 4
       = 12     * as you can see, 12 is the 5th term of the sequence.

If you are looking for the equivalent of the nth term, simply substitute n by the number you are looking for and solve the equation.
7 0
3 years ago
Sasha needs to write a division expression for the fraction 9/14 . She is not sure which number goes where. Help Sasha understan
Rasek [7]

(Say I'm righting to sasha)

Hi Sasha! I understand this math is hard,but I'm here to help. 9 goes on top of 14!

If we put 14 on top of 9 it would be an inproper fraction,that's when a fraction is not very easy to work with. Now, we could do 9÷14. :)

Hope dis helps!

~Learning with Natalia~

6 0
3 years ago
Read 2 more answers
I need help on this please
iren [92.7K]

Answer:

m∠ACB = 82°

Step-by-step explanation:

m∠ACB = 180° - m∠ACD

∠ACB and ∠ACD are supplementary, which add up to 180°

m∠ACB = 180° - 98°

m∠ACB = 82°

-Chetan K

6 0
3 years ago
Read 2 more answers
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