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Alecsey [184]
3 years ago
13

On Monday 336 fourth graders went on a field trip to a local park. The teachers divided them into 8 groups. Use a basic fact. Es

timate the number of students in each group.
Mathematics
2 answers:
Lubov Fominskaja [6]3 years ago
8 0

there were about 45 kids in every group

Alinara [238K]3 years ago
5 0

Answer:

42 students

Step-by-step explanation:

If 336 fourth graders went on a field trip to a local park and they are divided into 8groups, the estimate number of students in each group will be gotten using the formula;

Number of student in each group= total number of students/total number of groups

Number of students in each group = 336/8 = 42

This means that there are 42students in each group.

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Answer:

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Step-by-step explanation:

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Item 19 A cylindrical container of four rubber balls has a height of 20 centimeters and a diameter of 5 centimeters. Each ball i
Lady_Fox [76]
First you need to find the volume of the cylinder. Then find the volume of all 4 rubber balls (spheres). Subtract the cylinder's volume by the spheres' volumes.

Volume of cylinder: πr²h
                                   π2.5²(20) = 392.7 cm³

Volume of sphere: 4/3πr³
                                 4/3π2.5³ = 65.45 cm³

392.7 - 65.45 = 327.25

The amount of space in the container unoccupied by the rubber balls is 327 cm³.
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3 years ago
Two groups collected litter along the side of the road it takes each group 5 minuites to clean up a 200 yard section how long do
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8 0
2 years ago
If you add​ Natalie's age and​ Fred's age, the result is 39. If you add​ Fred's age to 4 times​ Natalie's age, the result is 78.
Darina [25.2K]

Step-by-step explanation:

We can write this word problem as two variables. Let us assume that:

x = Natalie's age

y = Fred's age

The first part of the word problem is that "If you add​ Natalie's age and​ Fred's age, the result is 39." Therefore:

Natalie's age + Fred's age = 39

x + y = 39

This will be our first equation. The second equation can be derived from the statement that "If you add​ Fred's age to 4 times​ Natalie's age, the result is 78." Therefore:

(4 times Natalie's age) + Fred's age = 78

4x + y = 78

We can now form a system of equations and solve for both x and y:

\left \{ {{x + y = 39} \atop {4x + y = 78}} \right.

The simplest way to solve would be using the Substitution method, as seen here:

x + y = 39

y = 39 - x

4x + y = 78

4x + (39 - x) = 78

3x + 39 = 78

3x = 39

x = 13

x + y = 39

13 + y = 39

y = 26

Remember that x = Natalie's age and y = Fred's age. Therefore, Natalie's age is 13 years old and Fred's age is 26 years old.

8 0
2 years ago
The question is in the screenshot!!
Ira Lisetskai [31]
Yeah, but can we see the screenshot
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2 years ago
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