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ycow [4]
2 years ago
5

HELP ASAP!!!! GEOMETRY CIRCLES 10TH GRADE

Mathematics
1 answer:
Elina [12.6K]2 years ago
3 0

Answer:

m<KJL= 32°

m<JIK = 63°

Step-by-step explanation:

Hopefully this will make up for my wrong answer.

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6 5/12 as a decimal please help
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6.<span>41666666666 is 6 5/4 in decimal form</span>
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Can someone help me :(
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An icicle drips at a rate that can be represented by the function f(x) = −x2 + 8x − 7, where 0 ≤ x ≤ 10 and x is the number of h
mart [117]

Find when f(x) = 0. By factorizing, we have

-x² + 8x - 7 = - (x - 7) (x - 1) = 0

so either x - 7 = 0 or x - 1 = 0, or simply x = 1 or x = 7.

Split the domain into three intervals, and check the sign of f(x) over each interval at some test point in the interval. The sign will tell you when the icicle is dripping (positive) or not (negative).

• [0, 1) : at x = 0, we have f(0) = -7 < 0

• (1, 7) : at x = 2, we have f(2) = 5 > 0

• (7, 10] : at x = 8, we have f(8) = -7 < 0

This tells us that the icicle is not dripping when 0 ≤ x < 1, begins to drip when x = 1, drips for the duration of 1 < x < 7, stops dripping when x = 7, and keeps on not dripping when 7 < x ≤ 10.

3 0
2 years ago
Which of the following figures have the smallest area?
Drupady [299]
The correct answer is a I think is correct
3 0
3 years ago
9. The theater club of a local high school is planning a production. The amount of time t needed to assemble the set is inversel
Vsevolod [243]

Answer:

The situation that represents this situation is:

t = \frac{60}{n}

Step-by-step explanation:

The amount of time t needed to assemble the set is inversely  proportional to the number people n working.

This means that:

t = \frac{k}{n}

In which k is the constant of proportionality.

Twelve people can assemble the set in 5 hours.

This means that for n = 12, t = 5. We use this to find k.

t = \frac{k}{n}

5 = \frac{k}{12}

k = 12*5 = 60

Write an equation to represent the situation.

t = \frac{60}{n}

8 0
3 years ago
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