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Elan Coil [88]
4 years ago
13

Why is it important to know about trigonometric ratios?

Mathematics
1 answer:
iris [78.8K]4 years ago
3 0
To solve right triangles
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Solve for the indicated variable: ⅖(z + 1) = y for z.
sweet [91]

Answer:

  z = 5/2y -1

Step-by-step explanation:

We observe that z has ...

  • 1 added
  • the sum multiplied by 2/5

To solve for z, we undo these operations in reverse order.

  \dfrac{2}{5}(z+1)=y\qquad\text{given}\\\\z+1=\dfrac{5}{2}y\qquad\text{multiply by 5/2}\\\\\boxed{z=\dfrac{5}{2}y-1}\qquad\text{subtract 1}

5 0
3 years ago
Read 2 more answers
A Scientist had a bottle that contains 56.6 mL of solution.She used 3.2 mL of the solution for an experiment.She poured half of
mario62 [17]
56.6 - 3.2 = 53.4
53.4 / 2 = 26.7
26.7 - 6 = 20.7ml
For the final answer she has 20.7ml of solution left.

Please mark as brainliest if you can
7 0
3 years ago
What is the solution to the equation 7(a – 10) = 13 – 2(2a 3)?
geniusboy [140]
7(a - 10) = 13 - 2(2a + 3)
7a - 70 = 13 - 4a - 6 = 7 - 4a
7a + 4a = 7 + 70
11a = 77
a = 77/11 = 7
a = 7.
7 0
3 years ago
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Which of the following is a way that citizens can directly influence law-making and public policy?
sweet [91]

Answer: A way citizens can directly influence the public policy is by following it or not. If there is a policy that no one agrees with, they will not follow it and show that the policy is wrong. When this is done, the policy will go away. That is how citizens can directly change this.

Step-by-step explanation:

6 0
3 years ago
The variables A, B, and C represent polynomials where A = x + 1, B = x2 + 2x − 1, and C = 2x. What is AB + C in simplest form?
topjm [15]
AB + C
= (x + 1)(x^2 + 2x - 1)  +  2x
= x^3 + 2x^2 - x + x^2 + 2x - 1 + 2x
= x^3  + 3x^2 + 3x - 1
3 0
3 years ago
Read 2 more answers
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