Mathematics Middle School

Nikolas and Jayson recorded the number
of miles each ran over two years.
Miles Ran
Year Nikolas Jayson
Last Year 1,362 1.948
This Year 1,982 1.013
A. Write and solve equations to find
how many more total miles Nikolas
and Jayson ran last year than
this year.
B. Estimate how many more miles
were run last year than this year by
rounding each number in the table
to the nearest hundred and solving
the problem. Use the estimate to 1
check your answer to Part Als
reason

Answers

Answer 1

Answer:

6,219 .065

Step-by-step explanation:

Answer 2
The answer is 6,219.065

Related Questions

whats the answer??? -|- 3 - (-9) |-| 16|

Answers

Answer:

-28

Step-by-step explanation:

-12 - 16 = - 28

shxhfjdjxhcjfjdnxhc

I’m not sure but I think it’s -10

Magdeline wants to know if the number of words on a page in her computer science book is generally more than the number of words on a page in her math book. She takes a random sample of 25 pages in each book and then calculates the mean, median, and mean absolute deviation for the 25 samples of each book.

Book Mean Median Mean Absolute Deviation
Computer science 48.7 40 9.4
Math 34.2 45 1.9


She claims that because the mean number of words on each page in the computer science book is greater than the mean number of words on each page in the math book, the computer science book has more words per page. Based on the data, is this a valid inference? (10 points)
Group of answer choices

Yes, because there is a lot of variability in the computer science book data

Yes, because the mean is larger in the computer science book

No, because the mean is larger in the computer science book

No, because there is a lot of variability in the computer science book data (brainliest if its right)

Answers

Answer:

The answer is D: To know on  which book, number of words is more between, Computer Science and Math

Magdeline selects 25 pages from each book, then Calculates Mean, Median, Mean Absolute Deviation of number of words on each page.

Book                Mean    Median     Mean Absolute Deviation

Computer science 48.7            40                   9.4

Math                  34.2         45                      1.9

Observing what Magdeline has Done,

Mean is Sum of words on each page of 25 pages divided by 25.

1. Mean of Computer Science book is more than mean number of words on pages of math book.

2.And, Median means , computer science book has more pages which contains 40 words ,and Math book  has more pages which contain 45 words.

3.Now,Coming to Mean Absolute Deviation, which measures the Variability from Mean.

In computer science book ,there is more Variability that is, 9.4 and 1.9 in math book.

So, just by claiming, that because the mean number of words on each page in the computer science book is greater than the mean number of words on each page in the math book, the computer science book has more words per page appears invalid Inference, because variability from mean in computer science book is more than variability from mean in Math book because Mean Absolute Deviation measures Variability fro mean.

The answer would be D

PLEASE HELP NOW!!!!!!!!!!! Brett bought three pairs of jeans and five polo shirts. The jeans that regularly sell for $79 were 35% off and the polo shirts that regularly sell for $39 were 15% off. If sales tax is 5.75% and he gave the cashier $350, how much did he receive back in change?

Answers

Answer:

The change he got back was $30.20

Step-by-step explanation:

The change he got back was $30.20 ;)

Which statement best represents the situation for the given ordered
pairs? Select all that apply.
A The ordered pair (0, ) represents no pants purchased and no money spent.
The ordered pair (9, 1) represents 1 pair of pants for $9.
C The ordered pair (4, 36) represents $4 for 36 pairs of pants.
D The ordered pair (2, 18) represents $18 for 2 pairs of pants.
E The ordered pair (3, 27) represents $3 for 27 pair of pants,

Answers

Answer:

The answer is c

Step-by-step explanation:

Because $54 is equal to 9 pairs of pants you can multiply 9 by 4 to get 36. Which means 4 pairs of pants is worth $36

The answer is c because 54 equals to 9 and then you multiply 9 by 4 and get 36.

PLEASE HELPP MEEE
x / 3 < 2

Answers

Answer:

3

Step-by-step explanation:

3/3=1 which is smaller then 2

Answer:

x<6

Step-by-step explanation:

Treat the inequality as an equals sign for this problem. All you have to do, is multiply 3 to both sides. You get:

x<2x3, which is x<6.

Math hep
!!!!!!!!!!!!!

Answers

Answer:

4 mark brainliest plz

Step-by-step explanation:

Answer:

b) 1

Step-by-step explanation:

9p^2 = 9 x ( 1 ÷ 3 )^2 = 1

( 1 ÷ 3 )^2 = 0.11111111111

0.11111111111 x 9 = 1

Hi again I need helps with this last question. Thanks

Answers

Answer:

A

Step-by-step explanation:

The answer is A. I know becausei took it

Why are the solutions to the proportions StartFraction 40 over 8 EndFraction = StartFraction x over 10 EndFraction and StartFraction x over 40 EndFraction = StartFraction 10 over 8 EndFraction the same?
Answers
A because both result in the equation 8 x = 400, which simplifies to x = 5
B because both result in the equation 8 x = 400, which simplifies to x = 50
C because both result in the equation 40 x = 80, which simplifies to x = 2
D because both result in the equation 40 x = 80, which simplifies to x = 20

PLEASE ANSWER FAST

Answers

The answer is B x = 50

x+2y = −4
I forgot how to do the problem

Answers

Solving for X it would be
X=-4-2y
Solving for Y it would be
Y=-2-x/2

Answer:

x= -6 y=1

Step-by-step explanation:

I need help pease asp asp please

Answers

Answer:

Coded title:

Top view of bowling ball missing a difficult shot

Answer:

its blurry

Step-by-step explanation:

The graph shows the number of quarts picked and the amount of money the customer paid.

Another customer pays $8.75 for the strawberries she picks. What point (n, a) on the graph represents this?

Answers

Answer:

$3.50 for 1 quart

Step-by-step explanation:

Point (n, a) on the graph represents the number of quarts and the Amount paid(in $).

What is the importance of graphs in our daily life?

Graphs are a popular tool for visually illuminating data relationships. A graph serves the objective of presenting data that are either too many or complex to be fully expressed in the text while taking up less room.

Given, The graph shows the number of quarts picked and the amount of money the customer paid. Another customer pays $8.75 for the strawberries she picks.

Slope of the given graph  = y₂ - y₁ / x₂ - x₁

Slope of the given graph  = 3.5-0 /1-0 = 3.5

As the Graph is passing through the origin point

Hence, the equation of the line will be y = mx

Where slope(m) = 3.5

thus the equation of the given graph  y = 3.5 x

For another customer given, y = 8.75

Hence x = 8.75/3.5

x = 2.5

Coordinates over the graph will be(2.5, 8.75)

Therefore, The number of quarts and the amount paid (in dollars) are represented by the graph's points (n, a).

Learn more about graphs here:

https://brainly.com/question/28947137

#SPJ2

PLZZZZZZZZZZZZZZZZ HELP ME !!!!!!!!!!!!!!!!!!!!!!!!!!!

The water level in Ricky Lake changes at an average of -7/16 inch every 3 years.
a. Based on the rate above, how much will the water level change after one year? Show your calculations and you can use the vertical number line to help you., using 0 as the original water level.
Show all your work and explanation in order to receive full points.




b. How much would the water level change over a 7-year period?

Show all your work and explanation in order to receive full point

C. When written in decimal form, is your answer to part (b) a repeating decimal or a terminating decimal? Justify your answer using long division.


Show all your work and explanation in order to receive full points

Answers

Answer:

A    .1458333333  B   1.02081  C terminating because it does not repeat

Step-by-step explanation:

Divide by 3

then mutiply .14583 by 7

i can’t really see nothing the picture you put

Henrietta has a box of fruit with a mass of 88 dekagrams. What is the weight of the box of fruit in kilograms?
A)0.88 kilograms
B)8.8 kilograms
C)880 kilograms
D)8,800 kilograms

Answers

it’s A
Step-by-step-explanation
The answer is A)0.88 kilograms

The function is given by the formula f(x)=3x+2.
a) Find f(7)
b) Find the value of x such that f(x)=15

Answers

Answer:

(a) f(7) = 23

(b) x = 13/3

Step-by-step explanation:

Step 1: Define

f(x) = 3x + 2

(a) f(7) is x = 7

(b) f(x) = 15

Step 2: Substitute and Evaluate

(a) f(7) = 3(7) + 2

f(7) = 21 + 2

f(7) = 23

(b) 15 = 3x + 2

13 = 3x

x = 13/3

Needed asap please,



Brittney can spend no more than $15 for new fish in her aquarium.
a. Let f be the number of fish she can buy. what inequality represents the problem?

b. How many fish can brittney buy?

Answers

Answer:

A - 15 ≥ f

Step-by-step explanation:

I don't know about B, because we don't know how much 1 fish costs.

Answer:

a) 3.00f ≥ 15

b) Brittney can buy 5 fish

A & B ) 3.00f ≥ 15÷3.00= 5

f ≥ 5 fish

Fill in the blanks pls tyyyy

Answers

1- slope
2- m
3- ?
4- ?
5-undefined
6- zero

Please help fast

In chemistry class, Bob recorded the volume of a liquid as 17.8 mL. The actual volume was 17.2 mL. Use the formula to find percent error of Bob's measurement to the nearest tenth of a percent.

Percent Error =
|Experimental Value − Actual Value|
Actual Value × 100

Answers

Answer:

The Percent Error is 6%

Experimental Value 17.8mL Actual Value 17.2mL

17.2x100=1720mL

Step-by-step explanation:

I don't know how to explain it srry :/

Error is 6 I did this

The side lengths of a triangle are given. 3,4,5 Explain how you know which side will be opposite the right angle

Answers

Answer:

Since 3^2 + 4^2 = 5^2, the converse of the Pythagorean Theorem implies that a triangle with side lengths 3,4,5 is a right triangle, the right angle being opposite the side of length 5.

Step-by-step explanation:

ide lengths 3,4,5 is a right triangle, the right angle being opposite the side of length 5.

The amount of water an electric dishwasher uses to wash dishes varies directly with the number of loads of dishes. The dishwasher uses 32 gallons of water to wash 4 loads of dishes.

How many gallons of water will the dishwasher use to wash 12 loads of dishes?

Answers

Answer:

I believe it 96.

Step-by-step explanation:

32÷4=8

4×8=32

12×8=96

Answer:

96 gallons

Step-by-step explanation:

So to wash 4 loads of dishes, you need 32 gallons.  If you divide 32 by 4 you get 8.  That means you need 8 gallons of water per load.  Since there are 12 loads and you need 8 gallons per load, if you multiply 8 X 12 you get 96.  This means you need 96 gallons of water for 12 loads of dishes.  Hope it helps!

which property is shown ?

Answers

Answer:

third choice

Step-by-step explanation:

commutative property of addition

Please help me i don't get these!!!!

Answers

Answer:

the first one is d

Step-by-step explanation:

Answer:

1. D) D'(-4,0)

2. B) 11

Step-by-step explanation:

2.  5x+1+12x-8=180

17x-7=180

17x=187

x=11

A recipe says to use 4 cups of flour to make 54 cookies. What is the constant of proportionality that relates the number of cookies made, y, to the number of cups of flour used, x?

Answers

Y=4x+54(y) is the answer
the number of cookies made is 13.5 per cup of flour so the answer is (1, 13.5)

PLEASE help haha. Please add an explination as well!

Answers

Answer:

2R10

Step-by-step explanation:

2*40 equals 80 but you need to get to 90 so you have 10 remaining.

2R10
2*40 is equal to 80

Find the least common multiple (LCM) of 7 and 12.

A. 7
B. 12
C. 72
D. 84

Answers

Answer:

It would most likly be D. 84

Step-by-step explanation:

Make h the subject of the formula:
d=√(3h/2)

Answers

Answer:

Do you mean d = √(3h/2)?

Square both sides:

d² = √(3h/2)²

d² = 3h/2

Then, multiply both sides by 2/3 to obtain:

h = 2d²/3

I hope this helps!

Step-by-step explanation:

Can someone pease help me understand the problem?

Answers

Answer:

65 + 50 + 80 divided by 3

Step-by-step explanation:

The answer is 142 I think sorry if I’m wrong

The question is below; Giving brainliest

Answers

Answer:

Triangle.

Explanation:

I took this test

Are 1/4 and 3/12 equivalent ratios?

Answers

Answer:

yes

Step-by-step explanation:

1/4 = .25

3/12 =.25

just divide !

Yes all you have to do is simplify

If 45% of a number, n, is 225, what is 74% of n?



185


298


370


406


PLEASE HURRY! I'M TIMED! WILL GIVE BRAINLIEST!

Answers

185
Hsixuxuzjxhzbzjzjjznz

2. y= -3x+8 and 6x+2y= -10 pls help!! slove as (x,y)

Answers

X=-1
Y=11 lmk if I should change something
X is -2.6
Y is 3
Hope this helped:)))
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