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
N76 [4]
3 years ago
7

There are 50 students in the fifth grade at clark school one day 20% of them were absent how many fifth graders were in school t

hat day show how.you firgued out your answer
Mathematics
2 answers:
storchak [24]3 years ago
6 0
20% is the same as the decimal .20 20% literally means 20/100. In order to solve the problem you must take 50 students times the decimal .20 which gives you 10 for the answer
Wewaii [24]3 years ago
5 0
50 students on the fist day and you multiply that by .20 to find how much is 20 percent of 50. You take that number which is 10 and subtract it from 50 so 50-10=40 which is how many showed up the second day 
Just Math
50*0.2=10
50-10=40 students
You might be interested in
It is generally claimed that the average body temperature for healthy human adults is 98.6°F. To test this claim a simple random
Rzqust [24]

Answer:

Explained below.

Step-by-step explanation:

The information provided is as follows:

\mu=98.6^{o}F\\\bar x=98.1^{o}F\\s=0.9^{o}F\\n=9

(1)

A single mean test is to be performed in this case.

As the population standard deviation is not provided, a one-sample <em>t</em>-test will be used.

The correct option is b.

(2)

The null hypothesis is:

<em>H</em>₀: The average temperature in the population is 98.6°F, i.e. <em>μ </em>= 98.6°F.

The correct option is b.

(3)

The alternative hypothesis is:

<em>Hₐ</em>: The average temperature in the population is less than 98.6°F, i.e. <em>μ </em>< 98.6°F.

The correct option is c.

(4)

The standard deviation of the sample mean is as follows:

SD_{\bar x}=\frac{s}{\sqrt{n}}=\frac{0.9}{\sqrt{9}}=0.3^{o}F

Thus, the value of SD is 0.3°F.

(5)

Compute the value of test statistic as follows:

t=\frac{\bar x-\mu}{SD_{\bar x}}

  =\frac{98.1-98.6}{0.3}\\\\=-1.666666667\\\\\approx -1.67

Thus, the value of test statistic is -1.67.

(6)

The degrees of freedom of the test are:

df = n - 1

   = 9 - 1

   = 8

Thus, the degrees of freedom of the test is 8.

8 0
3 years ago
A flower store sells carnations for $18.50 per dozen. The sales tax is 6%. Part A: How much is the sales tax on a dozen carnatio
myrzilka [38]
Part A.

*To find the sales tax (6%) amount: $18.50 x .06 = $1.11 is the sales tax on a dozen carnations

Part B. 

*To find the total cost of a dozen carnations plus the sales tax: $18.50 + $1.11 = $19.61 this is the total cost
8 0
3 years ago
At Farmer Jones Market, bananas cost $.80 per pound. At Farmer Garcia's
e-lub [12.9K]

divide $4.50 by 5 .......

4 0
2 years ago
Solve <br> 3c-5=2c+5<br> please naswer fast and I will give you 5 stars
Masja [62]

Answer:

10

Step-by-step explanation:

3c - 5 =2c +5

3c - 2c =5 +5

c=10

4 0
3 years ago
Jordan's pet grooming business has a monthly cost function of C = $12p + $2100. His Revenue is given by the function R = $62p, w
mash [69]

Answer:

Step-by-step explanation:

.

5 0
3 years ago
Other questions:
  • In the figure the horizontal lines are parallel and ab=bc=cd if lm =5 find jm
    12·1 answer
  • Simplyify (-7)^0 PLEASE HELPP
    15·2 answers
  • The area of the Pacific Ocean is about 6.0061×10^7 square miles. The area of the Southern Ocean is about 7.8483×10^6 square mile
    8·2 answers
  • Please help!!<br><br> Given: 2 ≅ 5, AB ≅ DE<br> Prove: BC ≅ EC
    12·1 answer
  • Please help! what is the value of f(x) when x=-3 l?
    14·1 answer
  • Mr. Coletti made a large bowl of chocolate pudding. The pudding weighed 4 1/3 pounds. If he served equal portions of 1/6 pound t
    15·1 answer
  • 11. Find the slope of the following coordinate points: (11,4)<br> and (5.-3)
    8·2 answers
  • The first new path will increase access to the fountain. it will be perpendicular to the existing path and pass through F(4,14).
    15·2 answers
  • A new bank customer with $3,500 wants to open a money market account. The bank is offering a
    12·1 answer
  • What is the value of x given in the following image?
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!