MATHEMATICS MIDDLE SCHOOL

In the LCM of 3a^2b^4c^5 and 7a4bc^2, what is the exponent on the b? A)1
B)4
C)5
D)6

Sorry that I suck at math!~ -Katie

Answers

Answer 1
Answer: Inarithmetic and number theory, the least common multiple, lowestcommon multiple, or smallest common multiple of two integers a and b, usuallydenoted by LCM(a, b), is the smallest positive integer that isdivisible by both a and b. so the LCM of 3a^2b^4c^5 and 7a4bc^2

is a^2bc^2

so the exponent of b is 1
Answer 2
Answer:

Answer: answer is B(4)

Step-by-step explanation:

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3/4 (4c + 16) = 2c ÷ 9. what is c

Answers

Distribute

(3/4)(4c)+(3/4)(16)=2c/9

3c+12=2/9 c

Now subtract 2/9  c from both sides

3c+12-2/9 c=2/9 c-2/9 c

25/9 c+12 =0

Now we need to subtract 12 from both sides

25/9 c+12-12=0-12

25/9 c=-12

Just multiply both sides by 9/25 so we find the value for c

25/9 *(25/9 c)=-12(9/25)

c= -108/25


I hope that's help:0

Compare ratios and rates by finding equivalent ratios and rates with a common_________ . Make predictions by finding a _________ and multiplying by it.

Answers

Answer:

Find the same denominator

Multiple

Step-by-step explanation:

A football field measures 120 yards long and 54 yards wide. We know that the team can fit 26 players in 5 yards by 8 yards box. How many people can fit on the field if the school wanted to cover the entire area?2782 people

3022 people

4212 people

6480 people

Answers

Answer:

4,212 people

Step-by-step explanation:

We are given;

  • Dimensions of the football field are 120 yards by 54 yards
  • 26 players can fit in a box measuring 5 yards by 8 yards

We are required to determine the number of people that can fit in the football field.

  • We are going to get the area of the field first;

Area = length × Width

Area of the field = 120 yards × 54 yards

                          =  6480 square yards

  • Then we get the area of the box

Area of the box = 5 yards × 8 yards

                           = 40 square yards

  • We then determine the number of boxes that can fit in the football field

Number of boxes = Area of the foot ball field ÷ Area of one box

                             = 6480 sq yards ÷ 40 sq yards

                             = 162 boxes

But, 26 people can fit in one box

Therefore,

Total number of people that can fit in the field is given by multiplying the number of boxes that can fit in the field by the number of people in a box

That is, Number of people = 26 players × 162 boxes

                                            = 4,212 people

Therefore, the number of people that can fit in the football field is 4,212 people.

- Trevon invested $1.500 in an account with an interest rate of 4.25%. If he plans to retire in 18 1/2 years, how much total will be in theaccount?​

Answers

Answer:

I=PRT is the formula

Step-by-step explanation:

Principal is $1,500. The interest rate is 4.25% and the time is 18.5 years.

That's all i know good luck

Will somebody please assist me what is 7x3x2+5-3=k

Answers

In this case just do it left to right, as multiplication comes before addition/subtraction. So 7x3x2+5-3=21x2+5-3=42+5-3=47-3=44=k.
7x3=21,  21x2=42,  42+5=47,  47-3=44

Sacha has 4 quarters in her pocket.she has 6 timés as many quarters in her piggy Bank. Draw a picture to show thenumber of quarters sacha has in her piggy Bank.

Answers

So 4X6=24 so i think the answer is 24 
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