Determined the unknown addend

Answer:

-23 :)

Step-by-step explanation:

Answer:

Step-by-step explanation:

What you would need to do is take 9+14, and you would get 23, and you would want to change that to be negative, so you would get a negative answer. So now when you plug the -23 into the empty space it is -23+ 14= -9

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,

Help me pleasee!!!!! ASAP

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)

Are 1/4 and 3/12 equivalent ratios?

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

PLEASE help haha. Please add an explination as well!

If there are 24 boys and 36 girls in a room, fill out all of the possible ratios of boys to
girls that could be made.
There are 24 boys for every 36 girls (24:36 ratio)
There are boys for every girls try
Type in an equivalent ratio of boys and girls

Hi again I need helps with this last question. Thanks

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

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

The question is below; Giving brainliest

I need help pease asp asp please

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

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!

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?

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?

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

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?

Which ordered pairs in the form (x, y) are solutions to the equation

7x−5y=28?

Select each correct answer.


A. (4, 10)

B. (−1, −7)

C. (7, 9)

D. (−6, −14)

When I tried to solve for 5y I got 5.6

Match each quantity in the first list with an appropriate unit of measurement from the second list.


1.

The volume of a refrigerator



2.

Distance a person can run in 10 minutes



3.

The surface area of a tissue box



4.

The perimeter of a baseball field



5.

The surface area of the moon



6.

The volume of a large lake



7.

The length of macaroni noodle



8.

The area of a bed sheet

a.

cubic kilometers

b.

square inches

c.

meters

d.

square kilometers

e.

centimeter

f.

mile

g.

cubic feet

h.

square feet

Which shows the best use of the associative and commutative properties to make simplifying -1/3-10+7+2/3+5 easier?
A. [5+(-1/3)+(-10)]+(2/3+7)
B. [-1/3+(-10)]+[7+2/3+5]
C. (-1/3+2/3)+[5+7+(-10)]
D. [-1/3+7+(-10)]+(5+2/3)
(I'll give brainliest for correct and accurate answer.)

Help pls!
ASAP!
Ty!
:>

Can someone pease help me understand the problem?

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

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

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

PLZZZZZZZZZZZZZZZZ HELP ME i begging YOUUUUU !!!!!!!!!!!!!!!!!!!!!!!!!!!

Claudio keeps track of how his bank account changes over three weeks. (You can take a picture your work and upload to this slide)


1. At the end of week 3, Claudio has $0 in his bank account. How much did he have at the start of week 1?

2. What is the average amount of money Claudio had in his account over the three weeks?

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

Magdeline wants to know if the number of words on a page in her art book is generally more than the number of words on a page in her science 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
Art 68.7 50 15.4
Science 54.2 55 7.9


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

Yes, because the mean is larger in the art book

No, because the mean is larger in the art book

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

No, because there is a lot of variability in the art book data

6x − y/2 = 14
I need help

ASAP HELP PLZZZZ What is the image of the point (9, -2) after a rotation of o counter-clockwise about the origin?
Group of answer choices

(-9, 2)

(2, -9)

(-2, 9)

(2, 9)