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Amanda [17]
2 years ago
9

PLEASE HELP BRAINLIST :(((

Mathematics
1 answer:
Zielflug [23.3K]2 years ago
3 0

Answer:

20 (When rounded)

Step-by-step explanation:

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What is y = x2 + 4x + 7 in vertex form
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y = (x + 2)^{2}  + 3

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the leaning tower of pisa in italy makes an angle of 86 degrees with the ground. a person standing on the ground approximately 8
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See the picture to better understand the problem

we know that
in the triangle ABC
∠A+∠B+∠C=180°
∠C=180-(86+69)-----> ∠C=25°
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3 years ago
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Help with this please now
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7 0
3 years ago
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For bone density scores that are normally distributed with a mean of 0 and a standard deviation of​ 1, find the percentage of sc
Shkiper50 [21]

Answer:

a) Scores of 2 and higher are significantly high

b) Scores of -2 and lower are significantly low

c) Scores between -2 and 2 are not significant.

Step-by-step explanation:

Mean = 0

Standard deviation = 1

a. significantly high​ (or at least 2 standard deviations above the​ mean).

2 standard deviations above the mean is:

0 + 1*2 = 2

So scores of 2 and higher are significantly high

b. significantly low​ (or at least 2 standard deviations below the​ mean).

2 standard deviations below the mean is:

0 - 1*2 = -2

So scores of -2 and lower are significantly low

c. not significant​ (or less than 2 standard deviations away from the​ mean).

2 standard deviations above the mean is:

0 + 1*2 = 2

2 standard deviations below the mean is:

0 - 1*2 = -2

So scores between -2 and 2 are not significant.

3 0
3 years ago
(2x-3)(4-3x) Find the product of the binomials
kobusy [5.1K]
(2X-3)(4-3X)
=8X-6X²-12+9X
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That's your answer.
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3 years ago
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