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
EastWind [94]
3 years ago
10

What equals 7×12+we​

Mathematics
1 answer:
WITCHER [35]3 years ago
8 0

the question makes no scenes

You might be interested in
Monitors manufactured by TSI Electronics have life spans that have a normal distribution with a variance of 4,000,000 and a mean
In-s [12.5K]

Using the normal distribution, it is found that there is a 0.2776 = 27.76% probability that the life span of the monitor will be more than 20,179 hours.

<h3>Normal Probability Distribution</h3>

The z-score of a measure X of a normally distributed variable with mean \mu and standard deviation \sigma is given by:

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

  • The z-score measures how many standard deviations the measure is above or below the mean.
  • Looking at the z-score table, the p-value associated with this z-score is found, which is the percentile of X.

The mean and the standard deviation are given, respectively, by:

\mu = 19000, \sigma = \sqrt{4000000} = 2000

The probability that the life span of the monitor will be more than 20,179 hours is <u>one subtracted by the p-value of Z when X = 20179</u>, hence:

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

Z = \frac{20179 - 19000}{2000}

Z = 0.59.

Z = 0.59 has a p-value of 0.7224.

1 - 0.7224 = 0.2776.

0.2776 = 27.76% probability that the life span of the monitor will be more than 20,179 hours.

More can be learned about the normal distribution at brainly.com/question/24663213

#SPJ1

6 0
2 years ago
Please please please hellllllppp meeeeee !!!!!!!!!
Nezavi [6.7K]
ANSWER: 77
Explanation: Making 88 in 8 minutes means that the machine is making 11 per minute thus being said if the machine worked for 7 minutes it would make 77 pens.
88/8=11
11*7=77
7 0
2 years ago
A science teacher ordered $1848 worth of microscopes and dissection kits for the new science lab. A total of 30 microscopes and
andrezito [222]

Answer:

Microscopes cost $44 and Dissection Kits cost $11

Step-by-step explanation:

Using the information given, we can make the system of equations:

30x+48y=1848

x represents the price of microscopes and y represents the price of dissection kits.

We also know that microscopes will be 4x the price of dissection kits. Therefor:

x=4y

We can plug these two equations together to find the answer.

30(4y)+48y=1848

120y+48y=1848

168y=1848

y=11

Using the y-value, can find the x-value.

x=4(11)

x=44

4 0
3 years ago
What is 1/2 + 2/3?, what is 2/3 multiplied by 3/4?
7nadin3 [17]

Answer:

Hi! The answer to your question is 1. 7/6 and 2. 1/2

Step-by-step explanation:

☆*: .。..。.:*☆☆*: .。..。.:*☆☆*: .。..。.:*☆☆*: .。..。.:*☆

☆Brainliest is greatly appreciated!☆

<em>Hope this helps!!</em>

<em>- Brooklynn Deka</em>

3 0
2 years ago
Which number is additive inverse of -4 1/4
Nadusha1986 [10]

Answer:

4 1/4

Step-by-step explanation:

the additive inverse is a number that when you add it with the number you already had, makes 0

-2 is the additive inverse of 2

so 4 1/4 is the inverse of -4 1/4

7 0
2 years ago
Other questions:
  • Based on the above chart, which industry's average annual rate of change is projected to decrease the most in the 2006-2016 peri
    11·2 answers
  • Answer so I can past one of my test
    9·2 answers
  • 4.22 x 1o^6 + 2.25 x 10^5 + 2.8 x 10^6
    12·1 answer
  • Jessica brought a cooler to the family picnic filled with 32 cans of regular soda and 18 cans of diet soda. What is the ratio of
    6·1 answer
  • a political candidate hears that 65% of the voters are for him in the polls, up 40% since the last poll what percentage of voter
    13·1 answer
  • Identify the two whole numbers between which the product lies 6*4/5
    9·1 answer
  • 30.48 kg of beef was placed into 24 packages of equal weight. What is the weight of one package of beef?
    6·2 answers
  • The two shorter sides of a triangle are 9 and 12. what is a possible length to make length of the third side to make the triangl
    13·1 answer
  • Which property is represented?<br> 7(t + U) = 7t + 70
    10·1 answer
  • What’s the correct answer for this?
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!