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
jasenka [17]
3 years ago
12

Can someone help me with this question, please explain your answer. :D

Mathematics
1 answer:
Debora [2.8K]3 years ago
7 0

Answer:

21/8 yards

Step-by-step explanation:

If Sarah wants to make her own costume she will need 21/8 yards of yarn.

To get this, you multiply 2 by 8 and get 16.

Next, you will add 5 onto 16 and get 21.

Keep your 21 and put is as your numerator.

Now take your 8 and put it as your denominator.

You might be interested in
Need help with a math question
ale4655 [162]

Answer:

the coordinates of C' = (2,1)

Step-by-step explanation:

The coordinates of point C can be found by looking at the graph.

Coordinates of C are C= (6,3)

If ABCD is dilated by a factor of 1/3 then the coordinates of C' can be found by multiplying the coordinates of C by 1/3

C = (6,3)

C' =(1/3*6,1/3*3)

C' = (2,1)

So, the coordinates of C' = (2,1)

5 0
4 years ago
The inspection division of the Lee County Weights and Measures Department is interested in estimating the actual amount of soft
cluponka [151]

Answer:

The 98% confidence interval estimate of the true average amount of soft drink in each bottle is between 2.97 liters and 3.01 liters.

Step-by-step explanation:

We have the standard deviation for the sample, so we use the t-distribution to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 64 - 1 = 63

98% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 63 degrees of freedom(y-axis) and a confidence level of 1 - \frac{1 - 0.98}{2} = 0.99. So we have T = 2.387

The margin of error is:

M = T\frac{s}{\sqrt{n}} = 2.387\frac{0.06}{\sqrt{64}} = 0.02

In which s is the standard deviation of the sample and n is the size of the sample.

The lower end of the interval is the sample mean subtracted by M. So it is 2.99 - 0.02 = 2.97 liters

The upper end of the interval is the sample mean added to M. So it is 2.99 + 0.02 = 3.01 liters

The 98% confidence interval estimate of the true average amount of soft drink in each bottle is between 2.97 liters and 3.01 liters.

7 0
3 years ago
Solve for b.<br> 8^b-1=2^4b+4<br> b=_____
777dan777 [17]
I hope this helps you

7 0
3 years ago
The interval(s) for which the function shown below is increasing
Oduvanchick [21]

Answer:

everywhere except between 2 and 5

(between -inf and 2 and between 5 and inf)

Step-by-step explanation:

pls brainlist

5 0
3 years ago
I thought of a number, added 4 5/7 to it, and got the number 12 times as big as my original what was my number
Genrish500 [490]
Let's call the number you thought of n. Then what the two steps you took can be written as an equation:
n+4\frac{5}{7}=12n

Subtract n to get all of your variables to one side:
4\frac{5}{7}=11n

At this point, I recommend turning your mixed number into an improper fraction. It will make things easier later on:
\frac{33}{7}=11n

Now divide both sides by 11 to get the value of n:
\frac{3}{7}=n
7 0
4 years ago
Read 2 more answers
Other questions:
  • Madison has to read a book that is 260 pages. Her mom says she can take a break when she is 30% finished. How far does she need
    14·2 answers
  • I really need help on where to put them fast!
    8·1 answer
  • PLEASE HELP<br> 8m+4n+7m-2n<br> 1. 17mn<br> 2. 15m+2n<br> 3. m+2n<br> 4. 15m+6n
    13·2 answers
  • there are 6 whole numbers in a set of numbers. The least number is 8, and the greatest number is 14. The mean, the median,and th
    11·1 answer
  • A researcher surveys job satisfaction among laborers and​ white-collar workers.​ (Job satisfaction is rated on a scale from 1​ =
    9·1 answer
  • What is -5(2a+3b) simplified
    7·2 answers
  • Which of the following are explicit equations for the nth term of some kind of arithmetic sequence? a) Pn=p1+(n-1)p1 b) an=an-1+
    6·1 answer
  • Can somebody help me on this please?
    8·1 answer
  • Solve the two-step equation. -9x + 0.4 = 4 Which operation must be performed to move all the constants to the right side of the
    7·2 answers
  • I need to find the missing side (x). PLEASE HELP I HAVE UNTIL TOMORROW AT 10AM
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!