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mash [69]
3 years ago
8

Please I need help it’s an emergency

Mathematics
1 answer:
aev [14]3 years ago
8 0

Answer:

A. Cos θ = 16/42

Step-by-step explanation:

The angle the ladder makes with the floor = θ

Hypotenuse = length of the ladder = 42 m

Adjacent = Distance from the bottom of the ladder to the wall = 16 m

Therefore to find θ, we would apply the trigonometric function, CAH:

Cos θ = adj/hyp

Which is:

Cos θ = 16/42

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The number of potato chips in a bag is normally distributed with a mean of 74 and a standard deviation of 4. Approximately what
tangare [24]

Answer:  99.7 % of the bags contain between 62 and 86 potato chips.

Step-by-step explanation:

The standard deviation given is 4.

Find the difference between the given numbers and the mean,

74-62= 12 .  86-74=12

then  divide 12 by 4 to find the number of standard deviations:  12/4=3

Check a chart or diagram of the Gaussian Distribution to find that 99.7% of the samples lie within 3 standard deviations from the mean.

4 0
3 years ago
Algebra 2! please help!
valentina_108 [34]

Answer:

Choice C)

x^2 - 2x + 4 - 12/(x+2)

x^2 - 2x + 4 - \frac{12}{x+2}

====================================================

Explanation:

To see how I got that answer, I have provided two attached images below. One of them shows the polynomial long division. The other shows synthetic division. Both are valid options to get to the same answer.

For each method, I used 1x^3 + 0x^2 + 0x - 4 in place of x^3 - 4 so that the proper terms could align.

6 0
3 years ago
Solve for x.each figure is a parallelogram.show steps
Sav [38]

Answer:

opposite sides of a parallelogram are equal

2x+15=x+15

2x-x=15-15

x=0

8 0
3 years ago
Read 2 more answers
How many planes exist that pass through points A, B,<br> and C?<br> 0<br> 1<br> 2<br> 3
Oliga [24]

Answer:

the answer is 1

Step-by-step explanation:

If these points lie on the same line or coincides. then there are dozens of planes, passing through these points. If these point don't lie on the same line, then there is unique plane, which passes through these points.

8 0
3 years ago
Write and solve an addition or subtraction equation to find the missing angle measure
nlexa [21]

Answer:

n = 60°

Step-by-step explanation:

60° + n + 60° = 180° ( straight line angles)

-> n + 120° = 180°

-> n = 180° - 120°

-> n = 60°

4 0
2 years ago
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