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3 years ago

a line passes through the point (6,-6) and is parallel to the line with the equation y=-5x+8 ... what’s the slope?

Mathematics

2 answers:

vova2212 [387]3 years ago

8 0

Answer:

m=12

Step-by-step explanation:

Mila [183]3 years ago

6 0

I believe it’s 12 I could be wrong tho

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If f(x)=x^2-5x and f(n)=-4 , then which of the following could be a value for n?

Ludmilka [50]

5 a niceeeee jooooooobbbbbn

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4 years ago

Scores on the GRE are normally distributed with a mean of 514 and a standard deviation of 92. Use the 68-95-99.7 rule to find th

SpyIntel [72]

Answer:

2.5%

Step-by-step explanation:

The percentage of people taking the test who are above 698 is ___%

Empirical rule formula states:

95% of data falls within 2 standard deviations from the mean - between μ – 2σ and μ + 2σ .

99.7% of data falls within 3 standard deviations from the mean - between μ - 3σ and μ + 3σ

From the question, we have:

Mean of 514 and a Standard deviation of 92

Hence:

μ ± xσ

514 ± 92x = 698

514 + 92x = 698

92x = 698 - 514

92x = 184

x = 184/92

x = 2

Hence, the data is correct and it is 2 standard deviation from the mean. Therefore, 95% of data falls within 2 standard deviations from the mean - between μ – 2σ and μ + 2σ .

The question is asking us to find the percentage of people taking the test who are above 698 is calculated as:

100 - 95% /2

= 5/2

= 2.5%

The percentage of people taking the test who are above 698 is 2.5%

8 0

3 years ago

Find the area of those circles

tiny-mole [99]

Answer:

4pi

Step-by-step explanation:

Area of a circle is pi (r^2)

Radius is 2, 2 squared is 4, 4 times pi is 4pi.

6 0

3 years ago

What are the measures of the angles in triangle ABC?

VMariaS [17]

Complete question :

A right triangle has side lengths AC = 7 inches, BC = 24 inches, and AB = 25 inches.

What are the measures of the angles in triangle ABC?

a) m∠A ≈ 46.2°, m∠B ≈ 43.8°, m∠C ≈ 90°

b) m∠A ≈ 73.0°, m∠B ≈ 17.0°, m∠C ≈ 90°

c) m∠A ≈ 73.7°, m∠B ≈ 16.3°, m∠C ≈ 90°

d) m∠A ≈ 74.4°, m∠B ≈ 15.6°, m∠C ≈ 90°

Answer:

c) m∠A ≈ 73.7°, m∠B ≈ 16.3°, m∠C ≈ 90°

Step-by-step explanation:

Given:

Length AC = 7 inches

Length BC = 24 inches

Length AB = 25 inches

Since it is a right angle triangle,

m∠C = 90°

To find the measures of the angle in ∠A and ∠B, we have :

For ∠A:

$SinA = \frac{BC}{AB}$

$SinA = \frac{24}{25}$

$SinA = 0.96$

$A = Sin^-^1 = 0.96$

∠A = 73.7°

For ∠B:

$SinB = \frac{AC}{AB}$

$SinB = \frac{7}{25}$

$SinB = 0.28$

$B = Sin^-^1 = 0.96$

∠B = 16.26 ≈ 16.3°

Therefore,

m∠A = 73.7°

m∠B = 16.3°

m∠C = 90°

7 0

3 years ago

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777dan777 [17]

Answer:

1.5

Step-by-step explanation:

The steps are in the image above

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3 years ago