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snow_lady [41]
3 years ago
8

To use the Trigonometry, we need... A) A right triangle with 2 known angles & 1 side B) A right triangle with 1 known side a

nd 1 known angle C) A right triangle with 2 known angles D) A right triangle with 2 known sides
Mathematics
1 answer:
NikAS [45]3 years ago
5 0

Answer:

B

Step-by-step explanation:

You use the side oppo the angle and the side that is labelled in trigonometry

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What is the vertex of the parabola given by = -(x-2)^2-1?
weqwewe [10]
Rewrite the parabola in standard form and use this formula to find the vertex (h,k).
= (2,-1)

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Sami ordered 132 dresses for her store . What is 132 rounded to the nearest ten?
Yuki888 [10]
130 because 2 is less than 5
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3 years ago
What two numbers multiply to get -63 and add to get -2
Leokris [45]

Answer:

-9 and 7

Step-by-step explanation:

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3 years ago
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Which ordered pair is not a solution of y = -3x + 4
lakkis [162]
Test
remember, (x,y)

A.
10=-3(-2)+4
10=6+4
10=10
yep, this is a soltuion

B.
5=-3(3)+4
5=-9+4
5=-5
false, not a solution

C.
4=-3(-2)+4
4=6+4
4=10
nope, not a solution

D.
1=-3(1)+4
1=-3+4
1=1
true

hmm, I think if B was (3,-5) then C is the only one


C is the answer
3 0
3 years ago
Solve the inequality 3(y+5)>21
Kaylis [27]

Answer:

y > 2

Step-by-step explanation:

1) 3(y+5)>21

Divide both sides by <em>3</em>.

2) y+5>7

Move the constant to the right side and change it's sign.

3) y>7-5

Subtract the numbers.

4) y>2

8 0
3 years ago
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