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
zhannawk [14.2K]
2 years ago
5

Students from four classes are in talent show. A. There are 28 students in Ms. Fiona's class. The ratio of her student who are i

n the talent show to those who are not in the talent show is 2:5. How many of Ms. Fiona's students are in the talent show? B. Mr. Juan has 24 students in his class. Some of his students are also in the talent show. Explain why it is not possible for exactly 24% of the students in Mr. Juan's class to be in the talent show. C. The rest of the students in the talent show are from Mrs. Lee's class and Mr. Greg's class. • Mrs. Lee has 23 students in her class, and 7 of them are in the talent show. There are 4 more students from Mr. Greg's class than from Mr. Juan's class in the talent show. The number of students in the talent show from Mrs. Lee's class is greater than the number from Mr. Juan's class and fewer than the number from Mr. Greg's class. In all, 30% of the students in these three classes are in the talent show, Show or explain why there must be exactly 23 students in Mr. Greg's class. As part of the explanation, determine how many students from Mr. Greg's class are in the talent show​

Mathematics
1 answer:
garik1379 [7]2 years ago
4 0

Answer:

B

Step-by-step explanation:

i had this question on my test

You might be interested in
A restaurant manager collected data on the number of customers in a party in the restaurant and the time elapsed until the party
Stella [2.4K]

Answer:

Option C The parties with a larger number of customers are associated with the longer times elapsed until the party left the restaurant.

Step-by-step explanation:

The correlation coefficient 0.78 shows that positive association between two variables number of customers and elapsed time until party left restaurant.

The positive association means that as the number of customers in a party increases the elapsed time also increase. So, we can say that the parties with a larger number of customers are associated with the longer times elapsed until the party left the restaurant.

4 0
3 years ago
Simplify the expression (7 + 9i)(8 - 10i)
NeX [460]

The simplified expression of (7 + 9i)(8 - 10i) is 146 + 2i

<h3>How to simplify the expression?</h3>

The expression is given as:

(7 + 9i)(8 - 10i)

Expand the bracket

7 * 8 + 9i * 8 -7 * 10i - 9i * 10i

Evaluate the products

56 + 72i -70i - 90(i²)

Evaluate the difference

56 + 2i - 90(i²)

In complex numbers;

i² = -1

So, we have:

56 + 2i - 90(-1)

Evaluate

56 + 2i + 90

Add the like terms

146 + 2i

Hence, the simplified expression of (7 + 9i)(8 - 10i) is 146 + 2i

Read more about complex numbers at:

brainly.com/question/10662770

#SPJ1

6 0
2 years ago
How to multiple 90km/h x 1h 30min
sveta [45]
90 km/ h x 1.5 h = 135 km
7 0
3 years ago
5. How many solutions does this system of equations have?
Diano4ka-milaya [45]

Answer:

\text{\boxed{\sf{D. \ No\  solution}}}

Step-by-step explanation:

Isolate the term of x and y from one side of the equation.

<h3>y=-4x-9 and y=-4x-1</h3>

First, you have to substitute of y=-4x-1.

\Longrightarrow: \sf{[-4x-1=-4x-9]}

<u>Add by 4x from both sides.</u>

\Longrightarrow: \sf{-4x-1+4x=-4x-9+4x}

<u>Solve.</u>

\Rightarrow:\sf{-1=-9}\\\\\Rightarrow: \sf{(-9)-(-1)=-9+1=-8}\\\\\Rightarrow: \sf{8=0}

  • <u>Therefore, the correct answer is "D. No solution".</u>

I hope this helps. Let me know if you have any questions.

8 0
2 years ago
On Halloween 4 friends each received 4⁄5 of a pound of candy. How much candy did they receive total?
Leokris [45]

Answer:

16/5 or 3 1/5

Step-by-step explanation:

Your equation would be 4/5*4 which equals 16/5

4 0
4 years ago
Other questions:
  • 3/5+9/10 =-1/5-23/10
    7·1 answer
  • What is the most appropriate unit of measure for the distance between Atlanta, GA and Athens, GA?
    15·2 answers
  • Can a triangle be formed if the side<br> lengths are 10, 23, and 10?
    15·2 answers
  • Eight billion, three hundred seventy-two thousand, five hundred twelve in standard form
    15·1 answer
  • -5.8c +4.2 - 3.1 + 1.4c​
    5·1 answer
  • ian's car can go 99 miles on 3 gallons of gas During a drive last​ weekend,Ian used 7 gallons of gas.How far did he drive?Use pe
    15·2 answers
  • SOMEONE ANWSER QUICK !
    9·1 answer
  • In a closed box there are 7 blue balls and 5 red balls. Randomly pick one from the box one at a time until the ball is green, th
    5·1 answer
  • Helpppppppp me …………………..
    5·2 answers
  • How many combinations of powerball numbers are there
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!