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alex41 [277]
3 years ago
7

Question: What is the slope of the line?

Mathematics
1 answer:
cupoosta [38]3 years ago
3 0

Answer:

4/5

Step-by-step explanation:

If you look at the point (-2,0) you can see that it sits directly on the line above 2. If you also at the point (3,4) you can see that its also sitting directly in the middle, where the line runs through it. Using this information we can use Rise/Run.

Rise/Run = Y/X

from (-2, 0) you rise 4 and you run 5 to the right to land on (3,4).

This is one of many ways you can calculate The slope from a graph!

Hope this helps! :)

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Answer:

-2+ sqrt(8)i or -2-sqrt(8)i

Step-by-step explanation:

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Explain how estimating helps you check the reasonableness of your answer
Mumz [18]
It gets you closer to your answer.
Ex: 11×2-- Round 11 to 10 and then multiply and get 20. But if you get some answer like 50, you know it is wrong. But the answer is 23
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Please give the correct answer and explain im really trying to learn this so I need the explanation not just an answer. Thankyou
Maksim231197 [3]

Answer:

x = tan⁻¹(⅘)

Step-by-step explanation:

We can solve for x by using trigonometric ratios (sin, cos, and tan)

We need to apply the appropriate ratio that uses the two sides 8 and 10 from the perspective of x. See attached image for information about ratios. (Source: Math is Fun)

The tangent ratio is opposite divided by adjacent. It will relate x to the two sides. So we would write

tan(x) = ⁸⁄₁₀

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tan(x) = ⅘

x = tan⁻¹(⅘)

Then we can use a calculator to evaluate x

If you want to find y, now that you have two angles of the triangle, you can find the sum of 90 + x and subtract that from 180 (since all angles of a triangle add up to 180) to find y.

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Answer:

there's no question

Step-by-step explanation:

....

7 0
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Find the real zeros of f(x); there are 4 zeros
ziro4ka [17]

Answer:

x = 4 or x = 1 or x = -2 or x = -3/2

Step-by-step explanation:

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2 x^4 - 3 x^3 - 21 x^2 - 2 x + 24 = 0

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(x - 4) (x - 1) (x + 2) (2 x + 3) = 0

Split into four equations:

x - 4 = 0 or x - 1 = 0 or x + 2 = 0 or 2 x + 3 = 0

Add 4 to both sides:

x = 4 or x - 1 = 0 or x + 2 = 0 or 2 x + 3 = 0

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x = 4 or x = 1 or x + 2 = 0 or 2 x + 3 = 0

Subtract 2 from both sides:

x = 4 or x = 1 or x = -2 or 2 x + 3 = 0

Subtract 3 from both sides:

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Divide both sides by 2:

Answer:  x = 4 or x = 1 or x = -2 or x = -3/2

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