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
otez555 [7]
3 years ago
7

a copy machine makes 60 copies per minute. a second copy makes 80 copies per minutes. the second machine starts making copies 2

minutes after the first machine starts. both machine stop making copies 8 minutes after the first machine started . together, the 2 machine made how many copies?
Mathematics
1 answer:
wel3 years ago
8 0
8minutes-2minutes=6minutes
6×80 copies = 480 copies
You might be interested in
What is the interquartile range for the data set??
kramer

Answer:

65

Step-by-step explanation:

First, order the numbers in order. Then find the "middle numbers" and omit them after you have divided the number set into two equals parts. Then find the median of those number sets and then subtract.

You should get 71-6 at the end which is 65.

8 0
3 years ago
Use the given data to find the minimum sample size required to estimate a population proportion or percentage. margin of​ error:
guapka [62]
Minimum required sample size for a desired margin of error and confidence level when it is a proportion problem: n = (z2÷margin of error2)*p-hat*q-hat

The maximum value of p-hat*q-hat occurs where p-hat = .5 (found by taking the derivative of (p-hat)*(1-p-hat) and setting it equal to 0 to find the maximum. n = ( 2.5762( for 99% confidence interval)÷.0482 )*.5*.5 = 720.028 or 721 
7 0
3 years ago
How can I round decimals
olganol [36]

Answer:

Find the place value you want (the "rounding digit") and look at the digit just to the right of it.

If that digit is less than 5, do not change the rounding digit but drop all digits to the right of it.

If that digit is greater than or equal to five, add one to the rounding digit and drop all digits to the right of it.

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
a taxi rider must pay 15000 VND for 1km in the first 10km, when exceeding 10km, they will pay them 14000 VND for each subsequent
Flura [38]

Answer:

Số tien:S =150000+(x-10)14000

Step-by-step explanation:

4 0
3 years ago
Jennifer will choose the office with the greatest area from this table.
ahrayia [7]

Answer:

3

Step-by-step explanation:

I’m pretty sure it’s 3

5 0
3 years ago
Read 2 more answers
Other questions:
  • Jared wants to purchase his favorite barbeque sauce. The barbeque sauce comes in two different size bottles. The 32 ounce bottle
    6·1 answer
  • Mitch completes the course and his boss promotes him. Mitch receives a 25% increase on his previous pay of $40 000 per year afte
    6·1 answer
  • Which is warmer -13c or -10
    7·1 answer
  • Holly and Tamar completed the work in the table to determine if a triangle with side lengths of 40, 42, and 58 is a right triang
    9·2 answers
  • What is -12 as an integer
    11·1 answer
  • Find the value of each variable.
    10·1 answer
  • Find the surface area for a sphere with a radius of 10 feet. Round to the nearest whole number.
    13·1 answer
  • Find the product <br> -1/2y(2y^3-8)
    7·1 answer
  • Help please!!!!!!!!!!!!!!!!!
    12·1 answer
  • Fill in the blanks….
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!