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
kodGreya [7K]
2 years ago
15

Como resolver

Mathematics
1 answer:
pochemuha2 years ago
6 0

Answer:

-32

Step-by-step explanation:

-2^2 is 4

-2^3 is -8

So 4•-8

=-32

Hope this helps. Brainliest would be appreciated.

You might be interested in
Tickets to Disney World are $100..The price is going to increase on January ,What is the cost percentage of change if the cost i
bearhunter [10]

Answer:

I am not so sure but if I were to choose it went up from an 200% increase.

Step-by-step explanation:

8 0
3 years ago
Manufacture of a certain component requires three different machining operations. Machining time for each operation has a normal
tigry1 [53]

Answer:

0.0314 = 3.14% probability that it takes at most 1 hour of machining time to produce a randomly selected component

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score 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 p-value, we get the probability that the value of the measure is greater than X.

Sum of normal variables:

When normal variables are added, the mean is the sum of the means while the standard deviation is the square root of the sum of the variances.

The mean values are 20, 15, and 30 min, respectively:

This means that \mu = 20 + 15 + 30 = 65

The standard deviations are 1, 2, and 1.5 min, respectively.

This means that \sigma = \sqrt{1^2 + 2^2 + 1.5^2} = 2.6926

What is the probability that it takes at most 1 hour of machining time to produce a randomly selected component?

Mean and standard deviation are in minutes, so this is the pvalue of Z when X = 60.

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

Z = \frac{60 - 65}{2.6926}

Z = -1.86

Z = -1.86 has a pvalue of 0.0314

0.0314 = 3.14% probability that it takes at most 1 hour of machining time to produce a randomly selected component

7 0
2 years ago
-3x-6y=11. 2x+y = 4 solving linear systems using multiplication and addition show your work
sladkih [1.3K]
<span>Example<span>Problem<span><span>Use elimination to solve the system.</span>   x –<span> y = </span>−6x <span>+ y = 8</span></span> </span><span> Add the equations.</span><span> <span><span>2x = 2</span>x = 1</span><span>Solve for x.</span></span><span> <span>x<span> + y = 8</span><span>1 + y = 8</span>y = 8 – 1y = 7</span><span>Substitute x = 1 into one of the original equations and solve for y.</span></span><span> <span>x<span> – y = −6</span>1 – 7 = −6−6 = −6 TRUE</span><span>x<span> + y = 8</span>1 + 7 = 88 = 8TRUE</span><span>Be sure to check your answer in both equations!</span></span><span>AnswerThe solution is (1, 7). </span></span>
3 0
3 years ago
5x7/8 less than or greater
Pavel [41]
5x7= 35
35> (greater than) 8
5 0
3 years ago
Read 2 more answers
The area of a triangle is 18. The base is 6 inches. What is the height?
attashe74 [19]

Answer:

the hight of your triangle is six inches

7 0
2 years ago
Other questions:
  • Suppose that 30% of female students and 25% of male students at a large high school are enrolled in an AP ® class. Independent r
    11·1 answer
  • Evaluate the following expression.<br> 153^0
    5·2 answers
  • If the length of the legs of a right triangle are 18 and 34, what is the length of the hypotenuse? Round your
    6·2 answers
  • You wish to take flying lessons. The introductory course cost $125 per session and will include 12 lessons. Smith Flying Academy
    6·1 answer
  • I need help with my homework problem
    12·2 answers
  • Write an equation for the line of fit for this data in form of y=mx+b. Where x is latitude and y is temperature
    7·1 answer
  • Help me find the missing number!!!
    5·1 answer
  • What would be the rate of change for this data ?
    9·1 answer
  • Can someone help me pleasee ???
    13·1 answer
  • In a certain Algebra 2 class of 27 students, 11 of them play basketball and 13 of them play baseball. There are 5 students who p
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!