MATHEMATICS MIDDLE SCHOOL

You decide to make a beanbag in the shape of a sphere with a diameter of 120 millimeters. You will need to find the volume to know how many beans to put in the bag. What is the volume? Use 3.14 to approximate pi.

Answers

Answer 1
Answer:

Answer:

The volume is 904,320\ mm^(3)

Step-by-step explanation:

we know that

The volume of the sphere is equal to

V=(4)/(3)\pi r^(3)

we have

r=120/2=60\ mm ----> the radius is half the diameter

\pi=3.14

substitute the values

V=(4)/(3)(3.14)(60)^(3)=904,320\ mm^(3)

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The area is 24 what are the possible dimensions l×w
-3m + 15-m for m = 25
This month a band has 6 musicians. This is a 50% increase from the number of musicians in the band last month. How many musicians were in the band last month?
The sum of 3 consecutive odd numbers is 51. what is the second number in this sequence

A single tree produces about 2.6 × 102 lb of oxygen each year. The Amazon rainforest has about 3.9 × 1011 trees.About how many pounds of oxygen are produced in the rainforest each day

Answers


(2.6 x 10² lb/tree) x (3.9 x 10¹¹ tree) = 1.014 x 10¹⁴ pounds .

Answer:

1.014 x 10¹⁴ pounds .

Step-by-step explanation:

Use the equation P(A or B)= P(B)-P(A and B) to find the missing value below.P(A)=1/3
P(A and B)=1/8
P(A or B)= 3/4
Find P(B)=____(Please submit your answer as the lowest term fraction)

Answers

Answer:

56

Step-by-step explanation:

4-50:The graph at the right contains the lines for y=x+2 and y=2x-1
a.) Using the graph,what is the solution to this system?
b.) Solve the system algebraically to confirm your answer to part (a).

Answers

a.) By using the graph, the solution to this system is (3, 5).

b.) Solving the system algebraically gives the same answer in part (a).

How to graphically solve this system of equations?

In order to graphically determine the solution for this system of linear equations on a coordinate plane, we would make use of an online graphing calculator to plot the given system of linear equations while taking note of the point of intersection;

y=x+2          ......equation 1.

y=2x-1        ......equation 2.

Part a.

Based on the graph shown, we can logically deduce that the solution for this system is represented by the ordered pair (3, 5) in quadrant I.

Part b.

By using the substitution method to substitute for y, we would set the two equations equal to one another;

x + 2 = 2x - 1

2x - x = 1 + 2

x = 3

y = x + 2

y = 3 + 2

y = 5.

Read more on solution and equation here: brainly.com/question/25976025

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x=3 and y=5. To solve the system algebraically, I think you just have to plug in the answers. I'm not quite sure for (b)

a sales person working for a heating and air-conditioning company earns an annual base salary of$30,000 plus $500 on every system

Answers

Answer:

f(x)=30000+500x

Step-by-step explanation:

x=number of additional systems.

mollys jump rope is 6 1/3 feet long. Gals jump rope 4 2/3 feet lo g. How much longer is Molly's jump rope?

Answers

6 1/3- 4 2/3 =5 4/3- 4 2/3=1 2/3
You can't subtract fractions unless you have the same denominator.
The correct answer is 1 2/3 because 6 1/3=19/3 and 4 2/3=14/3 and 19/3-14/3=5/3=1 2/3

Describe how you regroup when you find the sum of 64 + 43?

Answers

To regroup, you simply break up the bigger numbers into smaller numbers that are more easily added together. We often regroup into numbers that end with 0 because they're easier to add. For example, you can break up 64 into 60 + 4 and 43 into 40 + 3. This will make addition easier, because you can first add together 60 and 40, which will equal 100. Then, you can add the smaller digits: 100 + 4 + 3 = 107.

Final answer:

Regrouping in addition, as in 64 + 43, involves adding numbers column by column from right to left. If the addition in a column results in a value of 10 or more, a 'carry over' or regrouping is done to the next column. The final resultant sum is 107.

Explanation:

To regroup when you find the sum of 64 + 43, you need to add the numbers column by column, moving from right (units) to left (tens, hundreds, etc.). In this case, add the right column (4 from 64 and 3 from 43) to get 7. Next, add the left column (6 from 64 and 4 from 43). The sum is 10. Since 10 is a two-digit number, the number in tens place (1) is carried over or regrouped to the tens column. To get the final answer, add the numbers in the tens column (including the carryover). This results in 107. In general, regrouping is a technique used in addition and subtraction to simplify calculations and solve problems more easily.

Learn more about Regrouping in Addition here:

brainly.com/question/2139067

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