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lesya692 [45]
3 years ago
5

Can you answer these, please?

Mathematics
2 answers:
Mrrafil [7]3 years ago
5 0

Answer:

A, A

Step-by-step explanation:

they are both A´s

maksim [4K]3 years ago
3 0
I’ll answer these just hold up
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Write <img src="https://tex.z-dn.net/?f=cot%5E%7B2%7D%20x%20%281%2Btan%5E%7B2%7D%20x%29" id="TexFormula1" title="cot^{2} x (1+ta
ASHA 777 [7]

Step-by-step explanation:

From Trig

1 + tan²x = Sec²x

Also

Sec²x = 1/cos²x

Now

Cot²x = 1/tan²x = cos²x/sin²x

Putting all together

Cot²x(1+tan²x)

= Cot²x(sec²x)

= cos²x/sin²x(1/cos²x)

cos²x on the numerator and that one the denominator cancels out

we have

= 1/sin²x

From Trig

1/sin²x = cosec²x

So Our Answer = cosec²x.

7 0
3 years ago
!!Help!! i will give brainliest
Tems11 [23]

Answer:

94m^2

89.1mm^2

Step-by-step explanation:

6 0
3 years ago
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The entrance to our school has a height of 10.5 feet. There are
patriot [66]

Answer:

Step-by-step explanation:

Height Calculator: predict a child's adult height with significant accuracy. You can estimate how tall you will be, or the adult height of your child or a child patient. Accepts metric and imperial units: inches, feet, cm, meters. Output (mature height) is in centimeters and feet and inches.

6 0
3 years ago
Match the range of the function f(x) = x2 + 2x − 1 to its domain.
Kamila [148]
F(x) = x² + 2x - 1

f(2) = 2² + 2 · 2 - 1 = 4 + 4 - 1 = 7
f(-2) = (-2)² + 2 · (-2) - 1 = 4 - 4 - 1 = -1
f(3) = 3² + 2 · 3 - 1 = 9 + 6 - 1 = 14
f(-3) = (-3)² + 2 · (-3) - 1 = 9 - 6 - 1 = 2

The range = {-1; 2; 7; 14}
5 0
3 years ago
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Suppose all the counting numbers are arranged in columns as shown at the right. Under what letter will the number 1000 appear?
pentagon [3]
Letter D because you need to multiply all the letters of the alfabet (36) and multiply 36 by 1000 and then divide the answer by 100 and you get the letter D
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3 years ago
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