Mathematics Middle School

Answer all 4 questions for brainiest and 15 points

Answers

Answer 1

Answer:

12 is A

Step-by-step explanation

13 is A

14 or b and

15 is b

Answer 2

12 is A
13 is A
14 is B
15 is B

Related Questions

Answer all 4 questions and ill mark brainiest when I can thanks

Answers

Abca. Is the correct answer

abca is are the right answers lmk if you need work too :)

A company mailed out 896,988 coupon booklets. The company sent the same number of
booklets to each city. How many cities could the coupon booklets have gone to?
Select all the possible numbers.
10
6
4
8
Submit
4

Answers

Answer:

4 and 6

Step-by-step explanation:

10 and 8 leave a remainder so can't be equal number of booklet

4 and 6
896,988 ÷ 4 = 224,247 for each city
896,988 ÷ 6 = 149,498 for each city
If you divide 896,988 by 10 or 8 the answer will not be a whole number

A teacher would like to estimate the percentage of her students who play chess.

Which method should the teacher use to select the sample?

A. select all students who are currently in the chess club

B. use a computer to randomly select 30 student IDs from all her students

C. use a computer to randomly select 30 student IDs from all students

D. select every other student in her classes until she has selected a total of 30 students

Answers

Answer:

Step-by-step explanation:

because it's normal reasonal if it is wrong i will look for a better answer

Answer:

A. select all students who are currently in the chess club

Step-by-step explanation:

If the teacher randomly selects students, there is a greater chance that many don't play chess. But, if the teacher selects all the students who are currently in the chess club, most likely all of them play chess because they are in the chess club.

a rectangular prisim measures 6m long and 3m wide. if the volume of the prisim is 162 m3 what is the hight of the prisim in meters? show your work

Answers

Answer:

the hieght is 9

Step-by-step explanation:

divide 162 by 6 and you should get 27 then divide 27 by 3

to check your answer multiply 9x6x3 and you are done!!!

The height would probably be 9

hurry ill give brainly

Answers

Answer:

Step-by-step explanation:

The answer is 10

Hope this helps

whats 2 + 2 will give brainliest!

Answers

Answer: 4

Step-by-step explanation:

first put 2 fingers up

then with the other hand put 2 more fingers up

then count and you get 4

or you could use a calculator

The answer to the question is four

Can any of you math wiz help me I am having trouble.

Answers

Answer:

1 - True

2 - False

3 - False

4 - True

Step-by-step explanation:

N/A

1) True 2) False 3) False 4)True

A lawn mower company wants to show how much time a homeowner can save by using a ride-on lawn mower instead of a push lawn mower. The company collected data on the time (t minutes). The time also includes 5 minutes to set up the push lawn mower and 15 minutes to set up the ride-on lawn mower.

The equations for the best-fit lines for the data are shown below.

Answers

a. F
b. T
c. T
d. T

1.5 Acres 2 Acres

42.5 ( 1.5 ) + 15 = 78.75 | 42.5 ( 2 ) + 15 = 100

78.5 ( 1.5 ) + 5 = 122.75 | 78.5 ( 2 ) + 5 = 162

ksizkxnz island dñas

HELPPPP PLSSSSSSSSS HELPPPPPP PLSSSSS.

Answers

Answer:

the answer is a, Charles Ives

That would be Charles Ives

622,620 people voted in the Lancaster City Council election. Each candidate received the
exact same number of votes. How many city council candidates could there have been?
Select all the possible numbers.
3
9
4
10
Jay
Submit

Answers

Answer:

All of the above

Step-by-step explanation:

I'm not sure, but if you divide the number of people by each candidate, you'll get a value that the number of candidates will equal the number of people. I repeat I'm not sure of my answer.

All of the choices are correct
622,620 ÷ 3 = 207,540
622,620 ÷ 9 = 69,180
622,620 ÷ 4 = 155,655
622,620 ÷ 10 = 62,262

All of them give answers that are whole numbers which can be divided equally by 3, 9, 4, and 10 candidates

(Will give 20 points) Find the solution to the system of equations by substitution. -4x + y = -10 and y = x + 2
Include process steps!

Answers

Using the quadratic equation, number out the 2 equations and find out x or y first in my solution, i find x first and than substitute x=4 into equation 2 to find y.

You can either substitute the y in the first equation and make it -4x+x+2, or you could make the first equation equal to 4x-10 (y=4x-10, move the -4x) then you could solve, and since you have two values of y so they’re both the same. This is how it would look like:
X+2=4X-10

how many inches is 20 yards?

Answers

Answer:

720

Step-by-step explanation:

1 yard = 36 inches

20*36

720

720inches

1yd = 36in

20 • 36

720in

I need some help on this, please. I already did the first problem. Here are the directions:

Write and solve a proportion to answer the question.
34 is 75% of what number?

34w= 12/16

w= what?

Can anyone please help me?

Answers

Answer:

Write and solve a proportion to answer the question.

34 is 75% of what number?

34w= 12/16

w= what?

Can anyone please

Step-by-step explanation:

Answer:

45.33

Step-by-step explanation:

(Will l give 25 points!) Solve the system of linear equations by substitution. -8x + y = 5 and 5x - y = 3

Answers

Answer:

x = -8/3 and y = -49/3

Step-by-step explanation:

(Step 1) To solve using substitution, you first need to isolate a variable in one of these equations. I chose to isolate "y" in the following equation.

-8x + y = 5 <--- Original equation

y = 5 + 8x <--- Add 8x to both sides

(Step 2) Now, substitute (5 + 8x) for "y" in the second equation.

5x - y = 3 <--- Original equation

5x - (5 + 8x) = 3 <--- Substitute 5 + 8x for "y"

5x - 5 - 8x = 3 <--- Distribute (-) in the parentheses

-3x - 5 = 3 <--- Combine terms with "x"

-3x = 8 <--- Add 5 to both sides

x = -8/3 <--- Divide both sides by -3

(Step 3) Since you know the value of "x", plug it into one of the equations to solve for "y".

y = 5 + 8x <--- Original (rearranged) equation

y = 5 + 8(-8/3) <--- Plug (-8/3) for "x"

y = 5 - 64/3 <--- Multiply

y = 15/3 - 64/3 <--- Convert 5 into a fraction

y = -49/3 <--- Subtract

(Step 3.5) You can check your work by plugging "y" into the other equation to see if the answer for "x" is the same.

5x - y = 3 <--- Original equation

5(-8/3) - y = 3 <--- Plug (-8/3) for "x"

-40/3 - y = 3 <--- Multiply

-40/3 - y = 9/3 <--- Convert 3 into a fraction

-49/3 - y = 0 <--- Subtract both sides by 9/3

-49/3 = y <--- Add both sides by "y"

The value of the system of equations is x = -8/3 and y = -49/3.

this question is hard what the heck

Match each set of equations with the move that turned the first equation into the second.

Answers

The order is 41523 my friend, hope it helps

41523 is the answer .

Graphing Coordinates

I already have the numbers just please put them on the graph that’s all!

I’ve been so stressed this will help so much

Answers

The coordinates that you have written are wrong. Like I have stated in my previous answer, you need to multiply the windows coordinates by 2 to find the scale factor of 2.
The coordinates that WOULD be correct are:

Type a digit that makes this statement true.
759,15 is divisible by 9.
Submit

Answers

Answer:

This is because for a number to be divisible by 9 all the digits should add up to a number divisible by 9. Since they already do you just put a 0.

0 is the divisivility value in this case/scenario

Lan Ying and Sean love bike riding. They take off from the same place, at the same time, going in the same direction. Lan Ying rides at a steady speed of 6 km/h, and Sean rides at a steady speed of 4km/h. How far apart will they be in 3 hours?

Answers

Answer:

6 Kilometers.

Step-by-step explanation:

Try not to overthink these questions! They are easy if you just think of them in simple terms!

6 km * 3 h = 18 km

4 km * 3 h = 12 km

18 km - 12 km = 6 km.

6 kilometers if you solve

Translate the sentence into an inequality. A number b increased by 6 is greater than "-27."

Answers

Answer:

b+6>-27

Step-by-step explanation:

b+6

Answer=b+6>-27

A concise answer:b+6>-27
b>-33

Step-by-step explanation
And by transposition, you can move the plus 6 to the right of the inequality sign, and change the plus to the minus, so you just compute the minus 27 plus 6. b >-33

The scatter plot below represents the weight of a box of cookies based on the number of cookies in the box. A best-fit line shows the relationship.

Answers

Answer:

a. true

b. false

c. false

d. false

e. true

Step-by-step explanation:

a is true because the graph is measuring the weight of the box based on the number of cookies in it, and the box has weight even without cookies in it.

b is false because the slope of the line is 1/2, and each cookie weighs 1/4 oz.

c is false because there is an association between the number of cookies and the weight of the box.

d is false because that is the weight of one cookie, and doesn't take into account the weight of the box by itself.

e is true because the graph shows that at 13 cookies, the box weighs around 3.75 ounces.

1.true
2.false
3.false
4.false
5.true

Which is the answer A- D ?

Answers

Answer:

Step-by-step explanation:

Inequality:

-3b - 15 > -24

The dot must start at -3 (-3b).

Which would be B.

Then, we solve this inequality:

-3b - 15.

Solve:

-3b - 15= 18b18b > -24.Hence, the answer is B.

The best and well proven answer is B

HELP ME HELP ME PLEASE

Answers

Answer:

11126

Step-by-step explanation:

The mean of a set of data is another name for its average. It is the sum of the data, divided by the number of numbers in the sum.

If you use a calculator to help you with the computation of the addition or division, you may as well use the calculator's "mean" function to do the job.

The mean of the given 6 values is their sum, divided by 6. The units of the mean are the same as those of the contributors.

(1117 +1409 +675 +536 +1398 +1621)/6 = 6756/6 = 1126 . . . . degrees F

The mean of the data is 1126 °F.

1,126 Fahrenheit. next time when you see the word “mean” add all the numbers together the divide by how many number there are. so in this case you add them all together the divide by six because there is six numbers.

To find the volume of a rectangular prism you multiply the 3 dimensions, length x width x height. What combination of numbers will give me a volume of 17?

Answers

1, 1 and 17. Since 17 is a prime number, there isn’t exactly numbers that are multiplied by each other that give 17.

Answer:

1, 1, 17

Step-by-step explanation:

17 is a prime number. This means the only factors are 1, and 17. This means that since only 17, and 1 multiply to 17, to get a volume of 17 you can only use 1, and 17 (1, 1, and 17)

Need help for all 3 questions

Answers

Answer:

1 is c

2 is a

3 is a

Step-by-step explanation:

just solved them

1. is C
2. is A
3. is A

Six less than two times a number is no more than 17.

This is for math I failed a math unit test it was 100 points I’m not the best at every subject even though I get A’s normally from my own work. But I really need help with this I have this question I need to do so I can try to get my grade up just a little bit before tomorrow because they take my device away at school and I don’t have time to do it later.
Thank you!
Also I need the

Write an inequality for each phrase.

Answers

6-(2x)=17 because less than means minus. So 6- two times a number. We don’t know what number so we use X as a variable to fill in for that number. We have to solve multiplication first because PEMDAS so we put the 2X in parentheses so it’s solved before we subtract 6! Then we put =17 because it says it is no more than 17, meaning it’s equal to 17!

6-(2x)=17 because less than means minus.
So 6-two times a number. We don't know
what number so we use X as a variable to fill
in for that number. We have to solve
multiplication first because PEMDAS so we
put the 2X in parentheses so it's solved
before we subtract 6! Then we put =17
because it says it is no more than 17,
meaning it's equal to 17!

PLEASE HELP ME WITH THIS T-T

Answers

Answer:

-6 < x [tex]\leq[/tex] 6

Step-by-step explanation:

-5 < [tex]\frac{x-4}{2}[/tex] [tex]\leq[/tex] 1

Multiply all the sides by 2

-10 < x-4 [tex]\leq[/tex] 2

Add 4 to all the sides

-6 < x [tex]\leq[/tex] 6

Answer:

-6 < x < 6

Step-by-step explanation:

either way its still higher than -5 and lower than 1

The table shows the change in temperature each hour for four hours. Find the total change C in temperature.

Change in Temperature
7 A.M. - 8 A.M. −3°F
8 A.M. - 9 A.M. −1°F
9 A.M. - 10 A.M. +2°F
10 A.M. - 11 A.M. +8°F

Answers

Answer:

Step-by-step explanation:

-3 -1 +2 +8 = -4+10 = 6

Total change= 6 ( by finding average)

Please help me and please don’t answer if you don’t know pleaseee!!!!

Answers

Answer:

Step-by-step explanation:

It’s C. There are no outliners, it is not a cluster, and the dots are scattered into a curve.

Rachel enjoys exercising outdoors. Today she walked 5 2/3 miles in 2 2/3 hours. What is Rachel’s unit walking rate in miles per hour and in hours per mile?

Answers

5 2/3 divided by 2 2/3 = 17/3 divided by 8/3 = 17/8 = 2 1/8 miles per hour

2 2/3 divided by 5 2/3 = 8/3 divided by 17/3 = 8/17 hours per mile

Answer:

5 2/3 divided by 2 2/3 = 17/3 divided by 8/3 = 17/8 = 2 1/8 miles per hour

2 2/3 divided by 5 2/3 = 8/3 divided by 17/3 = 8/17 hours per mile

Step-by-step explanation:

ASAP I NEED AN ANSWER

Answers

Answer:

His brother gets 8 apples

His friends gets 4 apples

He gets 12 apples

Step-by-step explanation:

brother: friend himself::total

2 1 3 2+1+3 = 6

He has a total of 24 apples

24/6 = 4

Multiply each term by 4

brother: friend himself::total

2*4 1*4 3*4 6*4

8 4 12 24

His brother gets 8 apples

His friends gets 4 apples

He gets 12 apples

8brother :4 friend :12 for himself

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