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Katarina [22]
3 years ago
9

What is one unit the definition

Mathematics
1 answer:
iVinArrow [24]3 years ago
4 0

Answer:

unit is a step to go down and up

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Cos(7π/6)= a. 1/2 b.-1/2 c.√3/2 d.-√3/2 Help please?
olga nikolaevna [1]

Answer:

D. -√3/2

Step-by-step explanation:

Remember your unit circle.

Alternatively, you can plug in cos(7π/6) into your calc (Put it in rad mode) and calculate your answer.

3 0
3 years ago
Read 2 more answers
Solve for x please :))
grandymaker [24]

Answer:

25

Step-by-step explanation:

90 - 65 = 25

Therefore, x is 25

Thenks and mark me brainliest :))

7 0
2 years ago
(2-cos^2A)(1+2cot^2A)=(2+Cot^2A)(2-sin^2A)​
fomenos

Answer:

2 sin (2A) cos (2A)^4 + 2cos (2A)

---------------------------------------------------

                 sin (2A)

Step-by-step explanation:

7 0
3 years ago
What is the derivative of y with respect to x if y = 2/X4
zepelin [54]
You're correct, the answer is C.

Given any function of the form y=x^n, then the derivative of y with respect to x (\frac{dy}{dx}) is written as:
\frac{dy}{dx}=nx^n^-^1

In which n is any constant, this is called the power rule for differentiation.

For this example we have y= \frac{2}{x^4}, first lets get rid of the quotient and write the expression in the form y=x^n:
y= \frac{2}{x^4} =2x^-^4

Now we can directly apply the rule stated at the beginning (in which n=-4):
\frac{dy}{dx}=(2)(-4)x^{-4-1}=-8 x^{-5}= -\frac{8}{x^5}

Note that whenever we differentiate a function, we simply "ignore" the constants (we take them out of the derivative).
6 0
3 years ago
A pair of jeans cost $30. There is a 6% sales tax determine the total cost of the jeans
Roman55 [17]
6/100 • 30 = 1.8
1.8 + 30 = 31.8
Answer is $31.8
7 0
3 years ago
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