Mathematics Middle School

Need help for 2 and 3realy don't understand 3

Need Help For 2 And 3realy Don't Understand 3

Answers

Answer 1
You got 2 right I think you add 8 to 16 which makes 24 make them whole numbers and get 12 as an answer so r=12
Answer 2

Answer:

p=6 and r=48

Step-by-step explanation:

19=4p-5

19+5=4p

24=4p

24/4=p

6=p

check

19=4p-5

19=4x6-5

19=24-5

19=19

3)r/2-8=16

r/2=16+8

r/2=24

r=24x2

r=48

check

r/2-8=16

48/2-8=16

24-8=16

16=16

Related Questions

Solve the following expression: (36 + 14) ÷ 10 . Show all the steps taken. *

Answers

Answer:

(36 + 14) ÷ 10 = 5

Step-by-step explanation:

Using PEMDAS we have to simplify the parentheses first. 36 + 14 is 50. Next we have to divide. 50 ÷ 10 is 5. The answer to (36 + 14) ÷ 10 = 5.

If this helped I would appreciate it if you marked me brainliest. Thank you and have a nice day!

Answer:

First finish the brackets

36+14=40

40/10

4

Step-by-step explanation:

I hope this is all the step you need

All of last year’s car models were marked down 40%. Tracy wants to buy a car on sale for $18,000. What was the retail price of the car?

Answers

25,200 is the retail price of the car. 18000 + (40% = 7200) equals to 25,200.

Answer:

25,200.

25,200 is the retail price of the car. 18000

+ (40% = 7200)

equals to 25,200.

an arts academy requires there to be 3 teachers for every 51 students and 5 tutors for every 45 students. how many students does the academy have per teacher? per tutor? how many tutors does the academy need if it has 90 students? The academy has ___ students per tutor

Answers

Answer:

17 students per teacher, 9 students per tutor. You need 10 tutors if the school had 90 students.

Step-by-step explanation:

51 students divided by 3 teachers = 17 students per teacher.

45 students divided by 5 tutors = 9 students per teacher.

If there are 9 students per tutor 9 * 10 = 90 so ten tutors

At time t=0 elevator A is 40 feet above the ground . It descends at a rate of 10 feet per second. The height of elevator B is shown in the graph. Which of the following statement is true select all that apply

Answers

Answer:

Elevator A descends at a faster rate than Elevator B

Answer:

Check off:

Elevator B will reach the ground level first (it starts at the same height as elevator a but it is descending faster)

The change in height of both elevators can be represented by linear functions

Step-by-step explanation:

plz help I need this now

Answers

Answer: 1 30.0

3 20

2 8

Step-by-step explanation:

i will mark you brainly just please help!

Answers

1. Slope: 3 , y int:(0,-4)
2. slope: -1/2, y int: (0,3)

Answer:it a half inch down i then go a little down in then you have to put a dot on the spout in then you wait ill come back for more

Step-by-step explanation:

go to my page

Pls help me! Show your work!

Answers

Scale factor-6 because 4x6=24 5x6=30

MATH HELP PLEASE!!! USA TESTPREP!!

Answers

Answer:

B.) -3

Step-by-step explanation:

Answer:

B -3

Step-by-step explanation:

A good Mathmatics question

Answers

Answer:

A. Is correct

Step-by-step explanation:

Because Amy solved it correctly and didn't forget to move the place value on and Kevin forgot to move the place value.

Please name me the brainliest thank u

Answer:

A

Step-by-step explanation:

i think I hope this helps

brainliest answer . Help please answer and pls don't answer if you don't understand .

Answers

Answer:

1/2

Step-by-step explanation:

We do change in y over change in x

Formula for Rate of Change on Slope

y2-y1/x2-x1

For Y

We use coordinate (-2, -4)

-4--2

= -2 - -4

= 2

For X

We use coordinate (0, -4)

0 -- 4

= 0 + 4

= 4

Now we put y over x to find the rate of change in slope

2/4, simplified would be 1/2

1/2 please give brainliest

I NEED IT ASAP PLZ AND I NEED THEM ALL ANSWER PLZ

Use the table to answer the questions.

X Y Point
-8 8 L
0 4 M
4 2 N
8 0 P

Calculate the slope between point L and point M using the change in y and the change in x. Show all work in the formula. slope =m =

2) Calculate the slope between point N and point P using the change in y and the change in x. Show all work in the formula. slope =m =

3) Write the letter and ordered pair of the y-intercept.

Answers

Answer:

See below for answers

Step-by-step explanation:

1) Slope is Rise/Run=(y2-y1)/(x2-x1)=(4-8)/(0-(-8))=(-4/8)=-1/2, therefore m=-1/2

2) Slope is Rise/Run=(y2-y1)/(x2-x1)=(0-2)/(8-4)=-2/4=-1/2, therefore m=-1/2

3) The y-intercept is point M because the y-intercept of a function is where the graph will cross the y-axis which also means the y-value when x=0. Therefore, the y-intercept is point M which is (0,4)

1. M=-1/2

2. M=-1/2

3. The y-intercept is point M which is (0,4)

BRAINLIEST PLZ HELP!!!! Which inequality is represented by this graph?

Answers

Answer:

I think its the last one????

Step-by-step explanation:

Answer:

D.

Step-by-step explanation:

If the circle is filled in that means that it is equal to (the line under the inequality). And the inequality sign is facing the same direction as the graph (which in this case is right) so that means that the inequality sign in facing right!

Hope this helps!

what is 11/15 +[-7/12 = ?

Answers

Answer: 3/20

Step-by-step explanation:

11/15+(-7/12)=3/20 hope it helped

Which is the best estimate for 6,193 ÷ 48 using compatible numbers.
A. 100
B. 120
C. 150
D. 160

Answers

It would be B. 120 you would usually round up but the closest one to 129.02083 is 130 and since there is no 130 it would be 120

The best estimate for 6,193 ÷ 48 using compatible numbers is 120. Therefore, option B is the correct answer.

Given that, 6,193 ÷ 48.

What is the division?

The division is one of the basic arithmetic operations in math in which a larger number is broken down into smaller groups having the same number of items.

Here, the number 6,193 can be rounded off to 6000 and the number 48 can be rounded off to 50.

So, 6,193 ÷ 48

= 6000 ÷ 50

= 120

The best estimate for 6,193 ÷ 48 using compatible numbers is 120. Therefore, option B is the correct answer.

To learn more about the division visit:

https://brainly.com/question/1575906.

#SPJ2

PLEASE ANSWER! I WILL GIVE 80+ POINTS, BRAINLIEST, A THANKS, 5 STARS, AND A FOLLOW IF YOU ANSWER ALL OF THESE (P.S they all have to do with direct variation):

#1) If y varies directly with x, write an equation for the direct variation. Then find each value. If y = –4 when x = 10, find y when x = 5

#2) If y varies directly with x, write an equation for the direct variation. Then find each value. If y = 12 when x = –15, find y when x = 2

#3) If y varies directly with x, write an equation for the direct variation. Then find each value. Find x when y = 18, if y = 9 when x = 8.

Answers

Answer:

Step-by-step explanation:

1: -2?

2: 17?

3: 16?

23÷201.25 PLEASE ANSWER THIS WITH DECIMALS MEANING EXAMPLE
9.93
THE FIRST DECIMAL IS 9.__ FILL IN THE BLANK
THANK YOU!!

Answers

23/201.25=0.114285715

Evaluate -(7-³)(7⁵)

A. -49
B. 49
C. 1/49
D. - 1/49

Answers

Answer:

A

Step-by-step explanation:

A
Fever hhh hIs the wayhsgsf

pls help i only have 2 minutes!!!!!!!!!!!!!!

Answers

Answer:

40 + ( -63) is less

Step-by-step explanation:

.... .....

Answer:

(-25)+12

=13

40+(-63)

=23

Nicholas has some cans at home to donate to the soup kitchen, but decides to start a can drive at his school to see if others will help. The equation representing this is y = 235x + 15, where x is the number of days, and y is the number of cans collected. Which statements are true based on the equation given. Select all that apply.


A Nicholas had 235 cans at home.
B The school collected 235 cans a day.
C Nicholas had 15 cans at home.
D The school collected 15 cans daily.

Answers

Answer:

It is A and D Right?

Step-by-step explanation:

C) Nicholas had 15 cans at home

solve the proportion. where necessary, round to the nearest hundredth. 8/2 = x+3/4

Answers

Answer:

x = 13

Step-by-step explanation:

8/2 = (x + 3)/4

~Simplify

4 = (x + 3)/4

~Multiply 4 to both sides

16 = x + 3

~Subtract 3 to both sides

13 = x

Best of Luck!

Solve this linear equation for p.

2.6(5.5p – 12.4) = 127.92

1. Distributive property: 14.3p − 32.24 = 127.92
2. Addition property of equality: 14.3p − 32.24 + 32.24 = 127.92 + 32.24
14.3p = 160.16
3. Division property of equality:
14.3p
14.3
=
160.16
14.3
4. Solution: p =

Answers

Answer:

P = 11.2

Step-by-step explanation

p= 11.2.
maybe brainless??? pls

what is 2x + 20 ≤ 50

Answers

Answer:

x ≤ 15

Step-by-step explanation:

2x + 20 - 20 ≤ 50 -20

2x ≤ 30

2x/2 ≤ 30/2

x ≤ 15

1. At a temperature of 22oC, a liquid that has a volume of 5 mL. The liquid also has a mass of 3 grams. What is the density of this liquid?

.6 g/mL
1.67 g/mL
15 g/mL

Answers

Answer:

The first option.

Step-by-step explanation:

Use the density formula: p = m/v

M = mass(3); B = volume(5)

3/5 = .6

Hope this helps! Have a nice day!

The first option. You can figure this out by using the formula of density=mass\volume

Eight pipes were turned on to fill the pool in 36 hours. Then, after 12 hours some of the pipes were turned off, and the rest of the pool was filled in 32 hours. How many pipes were turned off?
Please show your work

Answers

Answer:

4 pipes (im pretty sure)

-but i hope this was correct and if not i hope it at least helped have a good rest of your day :)

Step-by-step explanation:

because 36 - 32= 34

6 or 7 i would think. hope that helps.

Expand & Simplify

36x^2y^2-144

Answers

i got 36x2 -114 correct me if i’m wrong
Answer: 36x^2y^2 - 5184x^2

Explanation:

(36x^2)(y^2 - 144)
= 36x^2y^2 - 5184x^2

The product of a number and -3, increased by 8 is 20. I need help. >:

Answers

Answer:

-4

Step-by-step explanation:

-3(x)+8=20

-3x=12

x=-4

ILL MARK BRAINLIST please answer asap

Answers

Answer:

what's the question????

Step-by-step explanation:

Answer:

what do you need help with

Step-by-step explanation:

First-person to answer with an explanation get brainiest

Explain how you know these two figures are similar.

Answers

both parallelograms have the same angles and the same sides parallel

hope this helps <3

Answer:

The following is why they are similar

Step-by-step explanation:

They are just put in different positions but they have the same angles making them similar

Uhhh pls help. I know that A is not it.

Answers

The answer is B, because those ones are similar
I would say the answer is B.

Please help me answer this question.

Answers

18c - 30d + 36
hope it helped
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