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valkas [14]
3 years ago
13

Determine the x-intercepts of the function. Check all that apply. (–2, 0) (–1, –2) (0, 0) (1, 0) (2, 0)

Mathematics
2 answers:
blagie [28]3 years ago
8 0

it's (0, 0) and (-2, 0) so A & C

mr Goodwill [35]3 years ago
7 0

Answer: A, C

Step-by-step explanation:

Hope this helps!!

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Solve the inequality 11d - 9 < 15d + 3
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3 years ago
Solve the triangle.
vova2212 [387]

9514 1404 393

Answer:

  b = 71 m

  A = 83°

  C = 29°

Step-by-step explanation:

Many calculators can solve triangles. Apps are available for phone and tablet, or on the internet, like the one used here. In general, it takes less time to use one of these than to type your question into Brainly.

Given two sides and the angle between them, the Law of Cosines is the appropriate relation to use for finding the third side.

  b = √(a² +c² -2ac·cos(B))

  b = √(76² +37² -2·76·37·cos(67.75°)) ≈ √5015.48

  b ≈ 70.82005 ≈ 71 . . . meters

__

One a side and its opposite angle are known, the remaining angles are found using the Law of Sines.

  sin(A)/a = sin(B)/b

  A = arcsin(a·sin(B)/b) = arcsin(76·sin(67.75°)/70.82005) ≈ 83.33°

  A ≈ 83°

  C = arcsin(37·sin(67.75°)/70.82005) ≈ 28.92°

  C ≈ 29°

Or, you can find the remaining angle from 180° -68° -83°  = 29°.

3 0
2 years ago
A 50 foot ladder is placed at 30 feet away from the building in order to reach the 3rd floor of the building. How high is the 3r
Sonbull [250]
The correct answer should be 20 feet
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Simplify: 6 × 9 ÷ 3 − 4 × 5 ÷ 2 <br> A) 4 <br> B) 8 <br> C) 10 <br> D) 11
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Answer:

b)8

is the answer it's was helpful to you

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Which domain restrictions apply to the rational expression?
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1) it must be fulfilled that the denominator is different from zero, then for this expression

x^2 -9  ⇒ x^2-3^2 = (x-3)(x+3)⇒ (x-3)(x+3) = 0 ⇒ x = 3 o x = -3 , the dominium is all numbers reals except 3 and -3  

5 0
3 years ago
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