1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
MrMuchimi
2 years ago
9

Factor please. m^2 - 64n^2

Mathematics
2 answers:
Monica [59]2 years ago
7 0

Answer:

(m - 8n)(m + 8n)

Step-by-step explanation:

m² - 64n² ← is a difference of squares and factors in general as

a² - b² = (a - b)(a + b) , then

m² - 64n²

= m² - (8n)²

= (m - 8n)(m + 8n)

rewona [7]2 years ago
5 0

Answer:

(n - 8n)(m+8n)

Step-by-step explanation:

x² - y² = (x - y)(x + y)

In this situation, the "x" = m and the "y" = 8n

So,

m² - 64n² = (n - 8n)(m+8n)

You might be interested in
Is y = -4 + 2x linear?​
BlackZzzverrR [31]

Answer: it is linear

Step-by-step explanation: Find the degree of the equation to determine if linear.

5 0
2 years ago
Read 2 more answers
Find the base of a parallelogram with the area of 60 in.² and height of 4 inches use the formula for the area of the parallelogr
Alexxx [7]
A = bh
60 in.² = b(4)
60/4 = b
b = 15 inches

Hope this helped!
7 0
3 years ago
The number of major earthquakes in a year is approximately normally distributed with a mean of 20.8 and a standard deviation of
SCORPION-xisa [38]

Answer:

a) 51.60% probability that in a given year there will be less than 21 earthquakes.

b) 49.35% probability that in a given year there will be between 18 and 23 earthquakes.

Step-by-step explanation:

Problems of normally distributed samples can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 20.8, \sigma = 4.5

a) Find the probability that in a given year there will be less than 21 earthquakes.

This is the pvalue of Z when X = 21. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{21 - 20.8}{4.5}

Z = 0.04

Z = 0.04 has a pvalue of 0.5160.

So there is a 51.60% probability that in a given year there will be less than 21 earthquakes.

b) Find the probability that in a given year there will be between 18 and 23 earthquakes.

This is the pvalue of Z when X = 23 subtracted by the pvalue of Z when X = 18. So:

X = 23

Z = \frac{X - \mu}{\sigma}

Z = \frac{23 - 20.8}{4.5}

Z = 0.71

Z = 0.71 has a pvalue of 0.7611

X = 18

Z = \frac{X - \mu}{\sigma}

Z = \frac{18 - 20.8}{4.5}

Z = -0.62

Z = -0.62 has a pvalue of 0.2676

So there is a 0.7611 - 0.2676 = 0.4935 = 49.35% probability that in a given year there will be between 18 and 23 earthquakes.

5 0
3 years ago
3<br> Find the slope and y-intercept from the following graph of a linear equation.
morpeh [17]

Answer:

A. Slope = 4 and y-intercept  = 3

5 0
3 years ago
Find the slope of the line passing through each of the following pairs of points: A(−7, a) and B(c, d)
Mrrafil [7]

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

We have the points A(-7, a) and B(c, d).

Substitute:

m=\dfrac{d-a}{c-(-7)}=\dfrac{d-a}{c+7}

Exception: c ≠ -7.

3 0
3 years ago
Other questions:
  • What is 3.2 x 10^-8 expressed as a decimal?
    6·1 answer
  • Chas and Tyler have been collecting video games. Chas
    14·1 answer
  • A company produces a women's bowling ball that is supposed to weigh exactly 14 pounds. Unfortunately, the company has a problem
    9·1 answer
  • Mark can make 424242 birthday cakes in 777 days.
    7·2 answers
  • Line A is represented by the equation given below.
    14·1 answer
  • What is the answer to the problem x-21=36
    15·1 answer
  • Which of the following is false?
    13·1 answer
  • The sum of three numbers is 78. The second number is 10 more than the first, and the third number is two times the second number
    8·1 answer
  • IM BEGGING SOMEONE!!! PLZ HELP IM SO CONFUSED
    15·2 answers
  • 3x + y = 7<br><br> 6x + 2 = 14<br><br> HELP ME GRAPH PLEASEE
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!