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
ololo11 [35]
1 year ago
9

Dwayne is making a poster about friendship in his art class. He divides his poster into 12 equal parts. Dwayne writes the names

of his friends all over each part. Dwayne uses 7 parts for his neighborhood friends and 5 parts for his friends from school. What fraction of the poster does Dwayne use for his friends from school?
Mathematics
1 answer:
stiks02 [169]1 year ago
3 0

The fraction of the poster does Dwayne use for his friends from school is 5/12.

<h3>What is the fraction of the poster that Dwayne uses for his friends from school?</h3>

A fraction is a non-integer that has a numerator and a denominator. The numerator is the number that is above the line and the denominator is the number below the line. An example of a fraction is 5/12.

In this question, the numerator is the number of parts he gives his friends from school. The denominator is the total number of parts he divides the poster.

Fraction = parts he gave his friend from school / total number of parts

5 / 12.

To learn more about fractions, please check: brainly.com/question/1114498

#SPJ1

You might be interested in
Christopher is thinking of two positive integers. The sum of the integers is 27. When twice the first integer is added to half o
LenKa [72]

Answer:

Let x and y be the two positive integers the Christopher is thinking.

x is equal to 7

and y =20

8 0
3 years ago
The International Air Transport Association surveys business travelers to develop quality ratings for transatlantic gateway airp
motikmotik

Answer:

The 95% confidence interval for the population mean rating is (5.73, 6.95).

Step-by-step explanation:

We start by calculating the mean and standard deviation of the sample:

M=\dfrac{1}{n}\sum_{i=1}^n\,x_i\\\\\\M=\dfrac{1}{50}(6+4+6+. . .+6)\\\\\\M=\dfrac{317}{50}\\\\\\M=6.34\\\\\\s=\sqrt{\dfrac{1}{n-1}\sum_{i=1}^n\,(x_i-M)^2}\\\\\\s=\sqrt{\dfrac{1}{49}((6-6.34)^2+(4-6.34)^2+(6-6.34)^2+. . . +(6-6.34)^2)}\\\\\\s=\sqrt{\dfrac{229.22}{49}}\\\\\\s=\sqrt{4.68}=2.16\\\\\\

We have to calculate a 95% confidence interval for the mean.

The population standard deviation is not known, so we have to estimate it from the sample standard deviation and use a t-students distribution to calculate the critical value.

The sample mean is M=6.34.

The sample size is N=50.

When σ is not known, s divided by the square root of N is used as an estimate of σM:

s_M=\dfrac{s}{\sqrt{N}}=\dfrac{2.16}{\sqrt{50}}=\dfrac{2.16}{7.071}=0.305

The degrees of freedom for this sample size are:

df=n-1=50-1=49

The t-value for a 95% confidence interval and 49 degrees of freedom is t=2.01.

The margin of error (MOE) can be calculated as:

MOE=t\cdot s_M=2.01 \cdot 0.305=0.61

Then, the lower and upper bounds of the confidence interval are:

LL=M-t \cdot s_M = 6.34-0.61=5.73\\\\UL=M+t \cdot s_M = 6.34+0.61=6.95

The 95% confidence interval for the mean is (5.73, 6.95).

4 0
3 years ago
HELP ASAP I WILL GIVE 20 POINTS HELPPPPPPPPPPPP
Nikolay [14]
52s + 30b because 52 x s + 30 x b = 52s + 30b
6 0
3 years ago
Read 2 more answers
What is the area of the polygon?<br> A: 1,140 2<br> B: 1,620 2<br> C: 2,052 2<br> D: 2,220 2
PtichkaEL [24]

Answer:

B: 1620cm2

Step-by-step explanation:

16×15×2+30×20

6 0
3 years ago
Read 2 more answers
Divide: -84 by -7 A) -14 B) -13 C) 12 D) 13
rewona [7]
C.12

Divide
-84•/•7=12
5 0
3 years ago
Read 2 more answers
Other questions:
  • Amanda leaned a 15-foot ladder against the top of her house so she could get on the roof, which is 12 feet from the ground.
    5·1 answer
  • List these number least to greatest <br> -3/5,-0.75,-80%,-6/8
    12·1 answer
  • Suppose that Y varies directly with X andY equals 12 when X equals -2 what is X when Y equals -6
    14·1 answer
  • What is compounding​
    5·1 answer
  • The area of the figure is about blank
    13·2 answers
  • A person’s website specializes in the sale of rare or unusual vegetable seeds. He sells packets of sweet-pepper seeds for $ 2.48
    14·1 answer
  • To find her total earnings for those two weeks Nadia writes 7.5 x 18.5 + 20 = 158.75 explain her error
    5·1 answer
  • Bob can cut through a log in two minutes. How long will it take Bob to cut a 20 foot in 2 sections?
    11·1 answer
  • Which question can be represented by the equation ?
    12·1 answer
  • Question 1
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!