MATHEMATICS MIDDLE SCHOOL

Which expression has the least value? A- (-9) divided by 3 - 2
B- (-24) divided by 6 + 2
C- 36 divided by(-4) + 7
D- (-32) divided by 8 - 4

Answers

Answer 1
Answer: Use PEDMAS for this. 
A) -9/3= -3 (-2)= -5
B) -24/6= -4 (+2)= -2
C) 36/-4= -9 (+7)= -2
D) -32/8= -4(-4)= -8

Therefore, D is the lowest value
Hope this helps :) 

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PLEASE HELP ASAP!!!!! What is the ratio of the volumes of a cylinder and a cone have the same base radius and height? Explain. PLEASE HELP ASAP

Answers

The ratio of the volume of cylinder and cone is 3:1
Because the volume of:
Cylinder = The area of base x height
Cone     = 1/3 The area of base x height

Factor the binomial or identify it as prime.2z4 – 2

A. 2(z2 + 1)(z2 – 1)
B. 2(z2 + 1)(z – 1)(z + 1)
C. Prime
D. 2(z2 + 1)2

Answers

Answer:

The correct answer is B,

Step-by-step explanation:

Since the higher value of z's power, is 4, an even number, and the second number is negative, we can think that this binomial is made of a difference of squares, so that is what we are going to factorize.

First, extract the common number (if any), the number 2, we have now>

2*(z^(4)-1)

This is convenient since "1" is a wonderful number that has this feature>1^(n)= 1 No matters what n's value is,

so the first equation 2*(z^(4)-1) can be written as (2*(z^(4)-1)=2*((z^(2))^(2)-1^(2))=2*(z^(2)-1)*(z^(2)+1)

The later termn, can also be factorized, using the same as befre.

(z^(2)-1)=(z-1)*(z+1)

Remember that z^(4)=(z^(2))^(2)
the answer to this problem is A
:)

In the equation y=4x, which of the following explains the unit rate?

Answers

Is this multiple choice? 4x would be the slope, so thats the unit rate.
y = kx

k would represent the unit rate, or constant of variation, therefore, 4 would be the unit rate. 

Answer: 4

100 POINTS AND BRAINLESTNote: Enter your answer and show all the steps you use to solve this problem in the space provided.

6×5+3×8

Answers

Hey!

-----------------------------------------------

PEMDAS stands for the steps in solving an equation.

P - Parenthesis

E - Exponent's

M - Multiply

D - Divide

A - Addition

S - Subtract

-----------------------------------------------

Expression:

= 6 × 5 + 3 × 8

Multiply first since its the first step in this equation:

= (6 × 5) + (3 × 8)

Simplify:

= 30 + 24

Answer:

= 54

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Hope This Helped! Good Luck!

*Furthersimplificationisinbold*

Answer:

54

Step-by-step explanation:

1- 6x5+3×8= Work out the division and multiplication at each side from left to right. Firstdothetimesalways.soforexample2×2=4;so6×5=30and3x8=24

2- 30+ 24= Work out the sum. Thendothesumforexample3+2=6.Sointhiscase30+24;youcandoas30+20=50+4=54

3- 30+24= 54

Feel free to ask more questions.

If a person bikes 2.4 miles in 10 minutes, how far can he bike in 1.5 hours?

Answers

1.5 hours = 90 minutes
2.4 x 9= 21.6 miles
Start by calculating how many minutes is 1.5 hours.
Then, you need to do a proportion.
(2.4 miles)/(10 minutes) = (?)/(1.5 hours in minutes)


If you still can't do it, just comment and I'll explain more :)


Two right circular cylinders have the same volume. The radius of the second cylinder is 10% more than the radius of the first. What is the relationship between the heights of the two cylinders?

Answers

the first one is 21% more than the second
Hope this helped.
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