MATHEMATICS MIDDLE SCHOOL

How multiplying fractions is similar to multiplying whole number and how it is different

Answers

Answer 1
Answer: Same=Both mulitply
Different=Different numbers
Answer 2
Answer: It is same because you can make a whole number a fraction by putting a 1 under it. It is different because the wholenumber would be an impropper fraction if you put a 1 under ut

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Which functions have a positive rate of change and which have a negative rate of change?Column A Column B1. 2x – 3y = 9 A. positiveB. negative 2. y = −4x + 53. x y−1 −51 13 74. x y1 −22 −63 −10
I only need number 16.
Please help with work shown, i need it quickly!

Which of the following functions is graphed below

Answers

Answer:

Option: C is the correct answer.

            C.   y=|x+4|-2

Step-by-step explanation:

We know that the vertex of a absolute value function or a modulus function f(x) of the type:

        f(x)=a|x-h|+k

is denoted by V such that:

          V=(h,k)

By looking at the graph of the function we see that the vertex of the function is:

                        (-4,-2)

A)

               y=|x+4|+2

The vertex of this function is:

              (-4,2)

Hence, option: A is incorrect.

B)

               y=|x-4|+2

The vertex of this function is: (4,-2).

Hence, option: B is incorrect.

D)

                 y=|x-4|-2

The vertex of this modulus function is: (4,-2)

Hence, option: D is incorrect.

C)

                y=|x+4|-2

The vertex of this function is: (-4,-2)

Also, we see that the graph of this function matches the given graph.

           Hence, option: C is correct.

Answer:

c

Step-by-step explanation:

y=|x+4|-2

At the start of the day there are 78 boxes of DVDs in a warehouse. Each box has 116 DVDs. Then 19 of the boxes are shipped. Now how many DVDs are left in the warehouse?

Answers

Answer:

6844DVDs

Step-by-step explanation:

At the start of the day, there are 78boxes in the warehouse and each box contains 116DVDs, the total number of DVDs in the warehouse will be total number of DVDs per box × number of DVDs in each box;

No of DVDs in the warehouse = 78×116

= 9048DVDs

If 19boxes of DVD were shipped, the total number of DVDs shipped will be 19×116(remember there are 116DVDs in a box)

= 2204DVDs

To calculate the amount of DVDs left in the House, we will use the expression;

Total number of DVDs in the warehouse - total number of DVDs shipped

= 9048-2204

= 6844DVDs
2,204 dvds are left since 19 times 116 is 2,204

I need help evaluating this problem

Answers

Your answer should be 16/9
\bf \left( \cfrac{64}{27} \right)^{(2)/(3)}\implies \left( \cfrac{4^3}{3^3} \right)^{(2)/(3)}\implies \left( \cfrac{4^{3\cdot (2)/(3)}}{3^{3\cdot (2)/(3)}} \right)\implies \cfrac{4^2}{3^2}\implies \cfrac{16}{9}

Dave collects rocks. he makes 12 groups of 10 rocks and has none left over. How many rocks does Dave have?

Answers

that means he has 120 rocks
12*10=120
12 groups, and each one containing 10. 
Think about it. Which operation could we use?

Multiplication!

12*10 = 120

Dave has 120 rocks. 

(One nice rock collection, Dave) 
;-) 

Is 11/20 closest 1/2 0 or 1

Answers

it closest to 1/2 because 11/20 is 0.55 and 0.55 is close to 1/2 which is 0.5

How much water was in the pool orgininally?

Answers

To find how much water was in the pool originally, you need to write the function for how fast the water is leaving the pool.

Your function is

y=-8x+b

y is amount of water in the pool

x is how many hours

b is the original amount

Since you know y and x, plug those into the function.

132=-8(6)+b

132=-48+b

b=180

The original amount of water in the pool was 180 gallons.


I didn't mean to reanswer the question, I'm sorry! I didn't see that there was already an answer when I began answering.
-8 gallons/ hour
6 hours
-8 × 6 = -48

132 + 48 = 180 gallons

look below for a much better explanation

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