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BabaBlast [244]
3 years ago
8

Which of the following best describes perpendicular lines

Mathematics
2 answers:
Usimov [2.4K]3 years ago
8 0

Answer:

B.

Step-by-step explanation:

Perpendicular lines always intercept at a right angle (90 degrees).

Mashutka [201]3 years ago
8 0

Answer:

b. lines that meet at a 90 angle

Step-by-step explanation:

Perpendicular lines are lines that intersect at a right (90 degrees) angle.

So, the correct answer is b. lines that meet at a 90 angle.

If you want to know if two equations are perpendicular, take their slopes. The slopes of perpendicular lines are opposite reciprocals of each other.

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Plz help ASAP!!!!!!!!!!<br> will mark brainliest
alekssr [168]

Answer:

X = 0.9

Step-by-step explanation:

\frac{2.7}{5.1}  =  \frac{x}{1.7}  \\   \frac{2.7 \times 1.7}{5.1}  = x \\ x = 0.9

5 0
3 years ago
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If the exterior angle of a regular polygon is 15 degree, find the central angle ?
Ugo [173]

Answer: 360/15=24 sides

Step-by-step explanation:

6 0
3 years ago
The p-value for a one-sided test of the population proportion is 0.0513. Which of
uysha [10]

Using the equation of the test statistic, it is found that with an increased sample size, the test statistic would decrease and the p-value would increase.

<h3>How to find the p-value of a test?</h3>

It depends on the test statistic z, as follows.

  • For a left-tailed test, it is the area under the normal curve to the left of z, which is the <u>p-value of z</u>.
  • For a right-tailed test, it is the area under the normal curve to the right of z, which is <u>1 subtracted by the p-value of z</u>.
  • For a two-tailed test, it is the area under the normal curve to the left of -z combined with the area to the right of z, hence it is <u>2 multiplied by 1 subtracted by the p-value of z</u>.

In all cases, a higher test statistic leads to a lower p-value, and vice-versa.

<h3>What is the equation for the test statistic?</h3>

The equation is given by:

t = \frac{\overline{X} - \mu}{\frac{s}{\sqrt{n}}}

The parameters are:

  • \overline{X} is the sample mean.
  • \mu is the tested value.
  • s is the standard deviation.
  • n is the sample size.

From this, it is taken that if the sample size was increased with all other parameters remaining the same, the test statistic would decrease,  and the p-value would increase.

You can learn more about p-values at brainly.com/question/26454209

3 0
3 years ago
How many time larger is 9x10^-8 than 3x10^-12
kkurt [141]

Step-by-step explanation:

\frac{9 \times 10 {}^{ - 8} }{3 \times 10 {}^{ - 12} }

Apply Quoteint of Powers. Divide the intergers. serpately.

Note that Quotient of Powers is

\frac{a {}^{x} }{a {}^{y} }  = a {}^{x  - y}

So the answer is

3 \times 10 {}^{ - 8 + 12}  = 3 \times 10 {}^{4}

The answer is

3 \times 10 {}^{4}

or

30000

3 0
3 years ago
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Of the 1,400 students enrolled at a Middle School, 40% of students enrolled are in the 6th grade. How many students are enrolled
scZoUnD [109]

Answer:

560 students

Step-by-step explanation:

1400*.40=560 students in 6th grade

8 0
3 years ago
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