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Nadya [2.5K]
2 years ago
12

WILL GIVE BRAINLIEST Subtract 9x^2+7x-2 from 8x-10

Mathematics
1 answer:
konstantin123 [22]2 years ago
6 0

Answer:

x − 9 x ^2 − 8

Step-by-step explanation:

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Prove 2/sqrt3cosx+sinx=sec(pi/6-x)
dlinn [17]

Thus L.H.S = R.H.S that is 2/√3cosx + sinx  = sec(Π/6-x) is proved

We have to prove that

2/√3cosx + sinx  = sec(Π/6-x)

To prove this we will solve the right-hand side of the equation which is

R.H.S = sec(Π/6-x)

          = 1/cos(Π/6-x)

[As secƟ = 1/cosƟ)

           = 1/[cos Π/6cosx + sin Π/6sinx]

[As cos (X-Y) = cosXcosY + sinXsinY , which is a trigonometry identity where X = Π/6 and Y = x]

           = 1/[√3/2cosx + 1/2sinx]

            = 1/(√3cosx + sinx]/2

            = 2/√3cosx + sinx

    R.H.S = L.H.S

Hence 2/√3cosx + sinx  = sec(Π/6-x) is proved

Learn more about trigonometry here : brainly.com/question/7331447

#SPJ9

5 0
1 year ago
Where is the opposite of −10 located on a number line? A) to the left of 0 B) to the right of 0 C) to the right of 12 D) to the
aalyn [17]

Answer:

B. to the right of 0

Step-by-step explanation:

the opposite of -10 would be 10 and out of all the answer choices the number 10 only fits into B.

6 0
3 years ago
Read 2 more answers
An octagon has a perimeter of 28 units. What is the perimeter of the image of the octagon after the translation (x,y) → (x-7,y+
kow [346]

Answer:

https://www.caverna.k12.ky.us/userfiles/110/Classes/7142//userfiles/110/my%20files/study%20guide%20answer%20key%20(1).pdf?id=4059

Step-by-step explanation:

copy and past this pdf

6 0
2 years ago
Dont know the answer pls help :(
Luba_88 [7]

Answer:

x=3

Step-by-step explanation:

7x-3=18

7x=18+3

7x=21

x=3

4 0
2 years ago
Answer Choices : (A) 1/6 (B)5/36 (C) 1/2 (D) 1/36
Sati [7]

Answer:

Probability = \frac{1}{6}

Step-by-step explanation:

Given

The above table

Required

Determine the probability of a sum that is a multiple of 6

Represent the event that an outcome is a multiple of 6 with M.

List out all possible values of M

M = \{6,6,6,6,6,12\}

Number of M is

n(M) = 6

Total possible outcome is:

n(Total) = 36

The theoretical probability is then calculated as follows:

Probability = \frac{Number\ of\ desired\ outcomes}{Number\ of\ possible\ outcomes}

In this case, it is:

Probability = \frac{n(M)}{n(Total)}

Probability = \frac{6}{36}

Simplify fraction

Probability = \frac{1}{6}

3 0
3 years ago
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