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torisob [31]
3 years ago
7

What are the vertex and x-intercepts of the graph of each function?

Mathematics
1 answer:
elena-s [515]3 years ago
5 0

Answer:

62) vertex (-1,-4) x intercepts are (1,0) and (-3,0)

63) vertex (4,-4) x-intercepts are (6,0) and (2,0)

64) vertex (-3,-4) x-intercepts are (-1,0) and (-5,0)

65) vertex (-4,-1) x-intercepts are (-3,0) and (-5,0)

Step-by-step explanation:

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The complementary angle of 45
Licemer1 [7]

Answer:

45°

Step-by-step explanation:

Complementary angles sum to 90°, thus

90° - 45° = 45° ← is the complement of 45°

4 0
3 years ago
Which trigonometric functions are negative in the fourth (IV) quadrant?
anzhelika [568]
<h3>Answers are: sine, tangent, cosecant, cotangent</h3>

Explanation:

On the unit circle we have some point (x,y) such that x = cos(theta) and y = sin(theta). The sine corresponds to the y coordinate of the point on the circle. Quadrant IV is below the x axis which explains why sine is negative here, since y < 0 here.

Since sine is negative, so is cosecant as this is the reciprocal of sine

csc = 1/sin

In quadrant IV, cosine is positive as x > 0 here. So the ratio tan = sin/cos is going to be negative. We have a negative over a positive when we divide.

Because tangent is negative, so is cotangent.

The only positive functions in Q4 are cosine and secant, which is because sec = 1/cos.

7 0
3 years ago
Which expression is equivalent to 18 1/5-(-22 2/5)-(-40 1/5)?
Minchanka [31]

Answer:

Step-by-step explanation:

D. 18 1/5 +22 2/5 +40 1/5

-(-22 2/5) and -(-40 1/5)    ----->  -*- will become +

4 0
3 years ago
Read 2 more answers
What's 221 rounded to the nearest 10
ycow [4]
It would be 220 rounded to the nearest ten because the number in the ones place does not equal or exceed 5. 

So 220 is your answer :)
4 0
3 years ago
Simplify the expression <br><br> 10(6+2z)+8
elixir [45]
10(6+2z)+8 distribute 10
60+20z+8 add like terms
68+20z is answer since you can’t simplify anything further
5 0
3 years ago
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