Mathematics Middle School

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Which is a simplified form of the expression -4(n + 1) – (n + 2)?
A. 2n + 3
B. -3n – 2
C. -4n – 5
D. -5n – 6

Answers

Answer 1
-4(n+1)-(n+2)
(-4n-4) - (n-2)
-3n-2
Answer 2

Answer:

Hi! The answer to your question is D. -5n-6

Step-by-step explanation:

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☆Brainliest is greatly appreciated!☆

Hope this helps!!

- Brooklynn Deka

Related Questions

Lee grows 24 centimeters in 4 years. At that rate, how many centimeters would he grow in 5 years?

Answers

Answer:

30 centimeters

Step-by-step explanation:

[tex]\frac{24}{4} :\frac{y}{5}[/tex]

4 × y = 24 × 5

4y = 120

4y ÷ 4 = 120 ÷ 4

y = 30

54. That is the answe

Slope=5, goes through the point (2,7)..

Answers

Answer:

the y-intercept is 7

Step-by-step explanation:

hope it helps. i just looked at the ordered pair and took the number that's on the y axis

Answer:

y=5x-3

Step-by-step explanation:

Slope intercept form is y=mx+b and you know the slope so you can get y=5x+b

Then you are given a point, (2, 7), so you can plug that into the equation to find the y-intercept

7=5(2)+b

Then you just solve for b

7=10+b

-10

-3=b

So the final equation is y=5x-3

7. An equation is shown. x + 5 = 14 Which of the values can be substituted for x to make the equation true?

Answers

Answer:

9 can be added to make equation true i .e 14=14

hope it helps.

Answer:

B.

Step-by-step explanation:

When you plug in 9 for this equation, you have 9 + 5 = 14, which is true.

If you plug in 7, you would have 7 + 5 = 14, which is actually 12. So, this is incorrect.

If you plug in 14, you would have 14 + 5 = 14, which is actually 19. So, this is incorrect.

If you plug in 19, you would have 19 + 5 = 14, which is actually 24. So, this is incorrect.

That leaves you with B.

Hope this helps! :)

Which value of x is a solution of the inequality?

−2x<−18


Question 5 options:

x=8

x=32

x=2

x=−27

Answers

Answer: 8 is what I’m guessing but when I did the math I got 9 so I don’t know if I’m wrong or u put the wrong number

Step-by-step explanation:

Find the area of the circle. Round your answer to the nearest hundredth.

Answers

Answer:

19.64

Step-by-step explanation:

If you look at it then multiple it is going to be 19.45

I need help please please

Answers

Answer:

It's the bottom right, the rectangle

20 points! need these answers asap!
1.) The ratio of the
Choose...
(diameter, circumference, or radius)
of a circle to its
Choose... (diameter, circumference, or radius)
is approximately 3.14.
2.) Fill in the blank with the correct response.
If the diameter of a circle is 12 feet, then the radius of the circle is ___ feet.
3.)What is the perimeter of the following figure in centimeters?
A. 7.5 cm
B. 57 cm
C. 28.2 cm
D. 5.7 cm
the picture goes for the 3rd question btw

Answers

Answer:

1. diameter, radius

2. 6 feet

3. 28.2

Step-by-step explanation:

32. What is the surface area of rectangular prism with dimensions: 8 cm by 4 cm by 2 cm?

Answers

Answer:

64cm

Step-by-step explanation:

LxWxH

8x4x2=64

699999 sorry I just need to answer questions to ask for my own

Name:
ID:
20.
35 m
37 m
Not drawn to scale
18 m
b. 39 m
12 m
d. 20 m
Find the distance between the two points. Round to the nearest tenth if necessary.

Answers

Answer: 4

Step-by-step explanation:

helppppppppppppppppppppppppppppppppppppppp

Answers

The area is a=3.14(r*r)
So it is 50.27
25.12???? I’m sure lol

Need done now. No links,fake answers, I don't know, and do at least one screenshot. I am in a big rush.

Answers

Answer:

13. m= 5/3 b= (0,2)

14. m=3 b= (0,-7)

Explanation: if you use the slope-intercept form, you would be able to find both the slope and y-intercept (if you substitute the variables with 0). As for the second image, I have no idea what you need help on, so I am unsure. Good luck!

Felipe fills an aquarium to a depth of 3/5 meters in 7 1/2 minutes.
What is the unit rate in minutes per meter?

Write your answer as a fraction or a mixed number in simplest form.

Answers

Answer:

2/25 meters per minute.

Step-by-step explanation:

I believe this is right please correct me if I'm wrong.

3/5 divided by 450 seconds = 1/750 * 60= 2/25 meter per minutes

Franklin buys a cell phone priced at $30.25. Shipping and handling are an additional 20% of the price. How much shipping and handling will Franklin pay?

Answers

Answer: $6.05

Step-by-step explanation:

20% of $30.25

(30.25)(.20)=6.05

To represent the number of squares after steps, Diego and Jada wrote different equations. Diego wrote the equation f(n)= (n+1) 2 . Jada wrote the equation f(n) = n 2+ 2n + 1. Are either Diego or Jada correct? Explain your reasoning.

Answers

Answer:

Diego is correct

Step-by-step explanation:

..................................

Plz help me thank you

Answers

Answer:

37 pounds on the moon

Step-by-step explanation:

the man weighs 222 pounds on earth and he will only weigh 1/6 of his weight.

222x[tex]\frac{1}{6}[/tex]=37

37 pounds on the moon

Patricia's two children attend daycare each weekday. She pays $550 per month for each child. How much does Tricia pay for daycare in one year?

Answers

I am pretty sure it is $13,200 for one year

Answer: 13,200 dollars per year.

Step-by-step explanation: First you take the amount of money and multiply it by 2 (her 2 children). Secondly you take the sum of that and you multiply it by 12 (there are 12 months in a year)

Order these number from least to greatest
37.5%,5%,1/3,0.3,40%,3/5

Answers

Answer:  

5%

0.3

1/3

37.5%

40%

3/5

Step-by-step explanation:

PLS HELP I NEED THIS DONE NOW AND PLS EXPLAIN

Answers

Answer:

The answer is 15.

Step-by-step explanation:

Don't forget about the A and H equaling 5. That is there to throw you off. A and B equals 8. Right? Well that's the length. The the A and E is 3. Right? Well that's the height. what you do is cut the triangular prism in half and you end up with a triangular prism with a height of 5. Then you multiply that with 1.5. You get 1.5 by dividing 3 by 2.  You then get 7.5. Now multiply that with 2. Your final answer is 14.

Jekskejd kwneofm sir corny iqnrofm roqoe

Plz help with this (PLZ NO LINKS!!!!)

Answers

Please specify what the colors mean
I think its D. That question is hard. Sorry if i get wrong :/ hope it helps!

part 2) pls help ASAP (BRAINLIST) 12 points

2. How many different outcomes are represented in your tree diagram?

3. Suppose the three primary colors are red, yellow, and blue How many outcomes contain at least one primary color?​

Answers

Answer:

2. 4 outcomes 3.12

Step-by-step explanation:

Determine the measures of the angles if they are both vertical and supplementary.

Answers

Answer:

90, 90

Step-by-step explanation:

Since the two angles are vertical, it means that they must have the same measure. Because they are supplementary, that means they add to 180. Thus, the two angles must be 90 and 90.

Which inequality is a true statement?

Select each correct answer.

Question 1 options:

−3<−1

−3=−1

−3>−1

−3≥−1-


−3≤−1
Question 2 (1 point)
Saved
Which statement is true?

Question 2 options:

7.11<−7.1

7.11≤−7.1

7.11=−7.1

7.11>−7.1
Question 3 (1 point)
Saved
Which value of x is a solution of the inequality?

x−(−3)≥7


Question 3 options:

x=−5

x=2

x=3.5

x=8
Question 4 (1 point)
Saved
Which value of x is a solution of the inequality?

x−6>−2


Question 4 options:

x=24

x=18

x=20

x=11
Question 5 (1 point)
Saved
Which value of x is a solution of the inequality?

−2x<−18


Question 5 options:

x=8

x=32

x=2

x=−27

First one 2n answers Bralinysist if correct 5 stars and thanks for 25 POINTS!!!!!!!!!!!!!!!!!!!
No fake anwsers PLS

Answers

Answer:

umm

Step-by-step explanation:

Find the Mean, Median, and Mode that matches the following Data Set.

Answers

Answer:

Its the second one because Mode is 3, median is 3, and the mean is 3. Pls subscribe to Amiredagoat Yt

Step-by-step explanation:

Answer:

B. Mean= 3

Median=3

Mode= 3

Step-by-step explanation:

To find the Mean:

Mean is the average of all the numbers so you add them all up and divide it by the amounts of numbers in the set.

(3+2+1+3+6)/5=15/5=3

To find the Median:

Median is the middle number in the set so you need to line them up from least to greatest:

1,2,3,3,6

The number in the middle is 3.

Mode:

This is the number that occurs the most in the set.

3 occurs twice in the set and is seen the most.

Mode=Most

Pls help no links pls

Answers

Answer:

A

Step-by-step explanation:

An integer is any positive or negative whole number.

A the opposite of -3 is three 3

choose yes or no to tell if the fraction 2/9 will make each equation true
81 x =18
900 x = 200
72 x =16
450x = 100

Answers

Answer:

yes

Step-by-step explanation:

to see if 2/9 will make each equation true, you replace 'x' with 2/9, so let us do just that-

81*2/9=18

900*2/9=200

72*2/9=16

72*2/9=16

450*2/9=100

now, seeing as how every answer we've gotten matches the answers of the algebraic equations, the answer is yes 2/9 does make each equation true

good luck :)

i hope this helps

brainliest would be highly appreciated

have a nice day!

Answer:

Step-by-step explanation:

Please help. I will report if it is a link or fake answer. I need this done really soon. I will offer brainliest to anyone who does all of them. I am under a lot of pressure.

Answers

Answer:

i'm figuring this out now

Step-by-step explanation:

Mr. Halili has challenged the students to a mile run. He is able to run a mile in 7 minutes. What is his speed in miles/minute? Convert this into miles per hour (hint: there are 60 minutes in an hour).

Answers

Answer: 1/7 miles per minute ≈ 0.14 miles per minute

For mph you multiply the result by 60

60/7 miles per hour ≈ 8.57 miles per hour

How would you best describe the two students outside the circles?
10 points and picture of question when u open

Answers

Answer:

A. They are boys who are not in sixth grade and don't wear glasses.

Explanation:

Please help me #e484847572

Answers

Answer:

4. 32

6. 2

7. 3

8. 50

9.42

Step-by-step explanation:

I didn't check over the ones u already did, but i can if u want me to

See attachment for question, please help asap

Answers

Answer:

7/256

Step-by-step explanation:

an = a1 * (1/2)^n-1

a9 = 7(1/2)^9-1

a9 = 7(1/2)^8

a9 = 7/256

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