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serious [3.7K]
3 years ago
8

Can someone please help me on 9 and 10 ty!!

Mathematics
1 answer:
vitfil [10]3 years ago
5 0

Answer:

9. slope = 7-2/7-1

= 5/6

10. slope = 8- -2/5-4

= 10/1 = 10

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Solve the following equation on the interval [0, 2π). tan^2x sin x = tan^2x
Alenkasestr [34]
<h3>Given</h3>

tan(x)²·sin(x) = tan(x)²

<h3>Find</h3>

x on the interval [0, 2π)

<h3>Solution</h3>

Subtract the right side and factor. Then make use of the zero-product rule.

... tan(x)²·sin(x) -tan(x)² = 0

... tan(x)²·(sin(x) -1) = 0

This is an indeterminate form at x = π/2 and undefined at x = 3π/2. We can resolve the indeterminate form by using an identity for tan(x)²:

... tan(x)² = sin(x)²/cos(x)² = sin(x)²/(1 -sin(x)²)

Then our equation becomes

... sin(x)²·(sin(x) -1)/((1 -sin(x))(1 +sin(x))) = 0

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Now, we know the only solutions are found where sin(x) = 0, at ...

... x ∈ {0, π}

8 0
3 years ago
Help asap please!<br><br> 2/5+????=7/10<br><br> Find the missing fraction
docker41 [41]

Answer:

3/10

Step-by-step explanation:

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8 0
2 years ago
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Please answer this correctly
Gala2k [10]

Answer: 2/3

Step-by-step explanation:

There are three sectors of equal area. 2 is one of the sectors. You can get 3 and 4. There are two total cases out of 3, so it's 2/3

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5 0
3 years ago
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nika2105 [10]

Answer:

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Step-by-step explanation:

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119 + y = 180 (subtract 119 on both sides)

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From the outer triangle , 90 + (y+x) + 17 = 180

We know y = 61

90 + (61+x) + 17 = 180

90 + 61 + x 17 = 180

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6 0
2 years ago
2. Here is a picture of an older version of the flag of Great Britain. There is a rigid
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Answer:

no.

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