Evaluate the following trigonometric expression

Answers

Answer 1

Answer:

Answer:

-60

hope it helps

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Right triangle ABC is shown. Which of these is equal to cos(A)?A) cos(B)
B) cos(C)
C) sin(B)
D) sin(C)

Answers

Answer: C

cosA=AC/AB

sinB=AC/AB

hence cosA=sinB

Answer:

C).

Step-by-step explanation:

Since angles A and B are complementary, their cofunctions are equal. So, cos(A) = sin(B).

Jenny's chocolate bar is 34% cocoa. If the weight of the chocolate bar is 66 grams, how many grams of cocoa does it contain? Round youranswer to the nearest tenth.

Answers

Answer:

22.4 grams

Step-by-step explanation:

66 times 0.34 is 22.44

22.44 rounded to the nearest tenth is 22.4

hope i helped :)

Answer:

22.4 grams

Step-by-step explanation:

34% = 0.34

66 grams x 0.34 = 22.4 grams

What is x2 + 2x + 9 = 0

Answers

Answer:

x has no real solution

Step-by-step explanation:

Our equation is qudratic equation so the method we will follow to solve it is using the dicriminant :

Let Δ be the dicriminant
a=1
b=2
c=9
Δ= 2²-4*1*9 =4-36=-32
we notice that Δ≤0⇒x has no real solution

What is the opposite of the three rational numbers.
|-13| =
|14| =
- |42| =

Answers

Answer:

|-13| = 13, so the opposite is -13

|14| = 14, the opposite is -14

-|42| = -42, the opposite is 42

Find the number of distinct triangles with a=11, b=17, and A=23°A. 0
B. 1
C. 2
D. cannot be determined

Answers

The answer would be C, 2

Write the translated function.
f(x)= 11x + 10 ; shifts 3 units up.

Answers

The 3 units vertical shift graph of f(x) = 11x + 10 is g(x) = 11x + 13.

What is vertical shift?

A vertical shift is just a change in the y-value of each function. It is literally picking up the entire function or graph and moving the entire thing up or down. If it is moved up, we add to the y-value, if it is moved down, we subtract from the y-value.

$f(x) = 11x + 10\n\n$

A shift of 3 units up, implies adding 3 to the y value.

New function becomes,

$g(x) = 11x + 10 + 3 \n\ng(x) = 11x + 13$

Learn more about vertical shift here

brainly.com/question/4173593

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Answer:

f(x)= 11x +10 +3 or 11x +13

Step-by-step explanation:

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Brandon wants to use the Distributive Property to figure this problem out. What should be his next step?Brandon's step so far: 8 × (10 + 7)(8 × 10) + (8 × 7)(8 + 10) × (8 + 7)(8 × 10) + 710 + (8 × 7)

4(4x - 2) = x + 4asnwerplsssssssss