Mathematics Middle School

Can someone please help me with all 5 of these questions? You don't have to answer all 5 but I would appreciate it if you answered some. I will give brainliest and 20 points to whoever does help me with these questions.

Answers

Answer 1

12 is a
13 is c
14 is d
15 is d
16 is b

Answer 2

12. A 13. C 14. D 15. D 16. B

Related Questions

Which of these best describes Pi?

1. The square root of the area of a circle
2. The ratio of the radius of a circle to its diameter
3. The ratio of the circumference of a circle to 3.14
4. The ratio of the circumference of a circle to its diameter

Answers

The correct answer is 3 hope it helps :) pls mark brainliest

Simplify 3 33/56

PLEASE

Answers

3 33/56 is the answer

The answer is 201/56 if you mean turn it into an improper fraction, if you mean otherwise just comment on this answer and I will try my best to calculate it:)

There are 16 tablespoons in 1 cup. How many tablespoons of cornstarch would Rhoda need to make 23 batches of green slime?

Answers

Answer:

92 tablespoons

Step-by-step explanation:

16 tablespoons = 1 cup, in the recipe you need 1/4 cup for a batch, Rhonda needs 23 batches, so 23/4 to get the 1/4 cup, that's 5.75 cups, then you do 5.75*16 to get the tablespoons

92 Tablespoons, I think.

Find the circumference of the circle. Round your answer to the nearest hundredth. Use 3.14 or 227 for π. the circle is 3

Answers

Answer:

18.84 ft

Step-by-step explanation:

The formula for the circumference of a circle is to multiply the radius (The line that's 3 ft in this case) by 2 and then multiply by π, which the problem says to substitute 3.14 in. Since the radius of this circle is 3, we multiply 2 by 3 and then multiply that by 3.14 to find our circumference. 3 * 2 = 6 and 6 * 3.14 = 18.84. The circumference of this circle is 18.84 ft.

Answer:

18.84 ft

Step-by-step explanation:

What are the slope and y-intercept of this function?

Answers

Answer:

Step-by-step explanation:

Answer:

The answer is A:The slope is one the Y intercept is (0,3)

What is give an example of a unit rate used in a real world situation? Plz I'm literally so confused lol.

Answers

Answer:

Miles per hour. (mph)

Step-by-step explanation:

This can be used in almost everyday, since most people today drive around in cars, and use mph to see how fast they are going per hour.

#teamtrees #WAP (Water And Plant)

Answer:

20 miles per hour

Step-by-step explanation:

An example would be like 50 beats per minute, or 20 miles an hour.

When rates are expressed as a quantity of 1.

What is the volume of a cube with an edge length of 3/4 inch?

Answers

Answer:

V=a cubed

Step-by-step explanation:

Answer:

v=a3

Step-by-step explanation:

Simplify the following expression by combining like terms. please help me thank you!

Answers

Answer:

8x-3

Step-by-step explanation:

Combine like terms.

11x-3x=8x

(8x)

14-11=3

(8x-3)

Hope it helped!

Estimate the difference: 7 3/4 - 2 2/5. Show your work.

Answers

Answer:

5 7/20

Step-by-step explanation:

7 3/4-2 2/5

convert to a common denominator

7 15/20-2 8/20=5 7/20

Answer: 7 7/20

Step-by-step explanation:

Just look it up on mAth

Way it also shows you step by step how to do it

The sixth graders at Amir’s school voted for the location of their class trip. 35% of the students voted to go to the art museum. If 126 students voted for going to the art museum, how many sixth graders are at Amir’s school?

Answers

Answer:

360

Step-by-step explanation:

126/35%=360

Answer:

Step-by-step explanation:

Sarah is buying a necklace which is listed online as costing p dollars. When she goes to check out, she discovers the necklace is on sale for 15% off the listed price.

Which expression below will help Sarah calculate the cost of the necklace with the discount?

A. 1.85p

B. 1.15p

C. 0.85p

D. 0.15p

Answers

Answer:

it would be c or b bc 15 percent from them

Step-by-step explanation:

Answer:

Step-by-step explanation:

100% is equal to 1.00 in decimal format. 15% is equal to 0.15. 1-0.15=0.85

Multiply 0.85 by p

plsss hurry!!!! i rlly need help

Answers

Answer:

41 21/25

Step-by-step explanation:

38 1/25 + 3 4/5 = 41 21/25

The daily low temperatures in a city have been below 0° Fahrenheit (F) for the past two days. On Monday, the daily low temperature was −2℉ and on Tuesday, the daily low temperature was −7℉. What is the absolute value of the change in daily low temperatures between these two days, in degrees Fahrenheit?

(This is math class btw)

Answers

Answer:

5ºF is the absolute value of the change.

Step-by-step explanation:

Since absolute value is alwasy positive you will not need the negative sign. The difference between 7 and 2 is 5, so the answer is 5.

am i right pls inform me if im wrong

Answers

Answer:

you are right

Step-by-step explanation:

I think it’s the second option
P over 9.20 because your doing hours you work over how much money your making

I need help ASAP, find the perimeter

Answers

Answer:

Step-by-step explanation:

I believe the answer is 24 if we’re adding all sides together

HElp pls for majior brainlest and points

Answers

Answer:

i think its 4-3r=1.

Step-by-step explanation:

i hope i got it right so you can make some a's

Answer:

4 -3r (B)

w (A)

3 (A)

8 (B)

2 (B)

Explanation:

Expression = (Number, Math Operator, Number)

2 horses ran from the same place from the at same time one horse ran at 2 miles per second and the other ran at a speed for 18 miles per second. how far apart were they in 1 minute? in 5 minutes? in 8 minutes?

- PLS HELP ASAP!!!!!

Answers

Answer:

1 minute = 1080 - 960 = 120 m

5 minutes = 5400 - 4800 = 600 m

8 minutes = 8640 - 7680 = 960 m

Step-by-step explanation:

I think the easiest way is to just see how far they get at each time. So I'm going to go one horse at a time.

16 m/s

1 minute = 60 seconds, every second is 16 meters so 16 m/s * 60 s = 960 m

5 minutes = 300 seconds so 16 m/s * 300 s = 4800 m

8 minutes = 480 seconds, 16 m/s * 480 s = 7680 m

I also want to point out that unites cancel out. m/s * s is kinda like variables so the seconds being multiplied by m/s cancels witht eh seconds in the denominator.

Now the next horse

18 m/s

1 minute totals to 1080 m

5 minutes = 5400 m

8 minutes = 8640 m

Now we take the differences of each time

1 minute = 1080 - 960 = 120 m

5 minutes = 5400 - 4800 = 600 m

8 minutes = 8640 - 7680 = 960 m

Another way to do this is to take the difference of speed and then multiply that by the time. so 18-16 = 2, then multiply each time by 2. For me it just makes more intuitive sense the way I showed.

plz help this is proportions math

Answers

Answer:

I would recommend using photo math its faster and easier I promise!! ;)

I think 42 is the anwser

3 Let g(a) = a² + 1 Evaluate g(-2)

Answers

Step-by-step explanation: If g(a) = a² + 1, then g(-2) = (-2)² + 1

which simplifies to 4 + 1 or 5.

Remember to always use parenthses when

substituting your given value in for a.

5 points..! plus brainliest..!

Answers

Answer:

4th one

Step-by-step explanation:

Answer:

Last answer.

Step-by-step explanation:

PLZ HELP WILL MARK BRAINLIEST(and please explain in detail I have to record myself explaining)
A chairlift starts 0.5 mi above the base of a mountain and travels up the mountain at a constant speed of 6 mph and it takes 15 minutes to get to the top. How far from the base of the mountain is the chairlift at 10 minutes?

Answers

d=1.5 miles i’m pretty sure

Which expression is equivalent to 50y2+10y?
−10y(5y+1)
10y(5y+1)
−10y(5y−1)
10y(5y−1)

Answers

Answer:
10y(5y+1)

Explanation:
When expanding brackets you multiply everything on the inside by the outside.

So 10y x 5y = 50y squared

10y x 1= 10y

Put them together now. 50y squared + 10y

Hope this helped!

10y(5y+1)

Explanation:

Shenenenewne

Look in the comments to see the question
:)

Answers

I’m trying to looking :)

Christopher said, “I put these in order.”
-2.3, 4.75, -8.2, 12, -14.25
Beth disagrees with Christopher. She knows he is wrong. Write a statement the Beth might say to show Christopher his mistake?

Answers

Answer:

-14.25, -8. 2 karma -2.3, 4.75

Beth might say to Christopher “you have you put the negatives before the positives”

Which number is IRRATIONAL?

Answers

Answer:D

Step-by-step explanation:

The answer is D because all the others are perfect squares

Please help me!!!

I will reward brailiest

Answers

Answer:

9.5

Step-by-step explanation:

Answer:

9.5

Step-by-step explanation:

2.1+2.1+1+3.3+1 = 4.2 + 1 + 3.3 + 1 = 5.2 + 3.3 + 1 = 6.2 + 3.3 = 9.5

The mountain climber descended 437.85 feet every hour. What is the change in the climber's elevation after 6 hours?

Answers

The answer should probably be 2627.1 feet

Hope this helps!

Answer:

2627.16 lower down the mountain

Step-by-step explanation:

Every hour, the mountain climber decends 437.85 ft. Using Every to give you a clue as what operation to use, you do

437.85* 6

2627.16

pls answer question n picture.

Answers

Answer:

Step-by-Step Equation:

Answer:

8b^2 + 9b + 3y +5

Step-by-step explanation:

7b + 8b^2 + 3 + y + 2b + 2y + 2

8b^2 + 9b + 3 + y + 2y + 2

8b^2 + 9b + 3y + 3 + 2

= 8b^2 + 9b + 3y +5

NOTE:

the symbol '^' represents 'to the power of', so 8b^2 would be 8b to the power of 2.

The graphs below show the increases and decreases in a company's monthly closing stock values.
If you were the owner of this company which graph would you use to show growth since March? Be sure to justify your answer with mathematical reasoning.

Answers

Answer: graph A

Step-by-step explanation:

you can see it is going up look at march then look past that to the right is it going up or down the answer is it is going up so your answer: Graph A

Answer:

Graph A

Step-by-step explanation:

I just did this on edge and got it right hope it helps and please mark me as brainliest

67.5 billion in scientific notation

Answers

Answer:

6.75 × 10^10

Step-by-step explanation:

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