In Exercises 1–4, find each sum or difference.
start fraction 5 over 10 end fraction minus start fraction 3 over 10 end fraction
A. one-fifth
B. start fraction 8 over 10 end fraction
C. start fraction 42 over 5 end fraction
D. one-tenth

Answer:

a 1/5

Step-by-step explanation:

because if you do 5/10-3/10 you get 2/10

then you simplify by 2 which means you do 2 divided by 2 which

is 1 then you do 10 divided by 2 which is equal to 5 so your

answer is indeed 1/5

Lupe uses 7.8 pints of white paint and blue paint to paint her bedroom walls. 3 4 of this amount is white paint, and the rest is blue paint. How many pints of blue paint did she use to paint her bedroom walls?

Each week Sara's science teacher gives a 15
-point quiz.
Her current scores are shown in the table.

What is Sara's mean quiz score?

I need help because I don't understand this at all- I thought it was easy at first but the "1 through 5" part is confusing because there is no five.. so if you understand this please help

7-9: Practice Buddy: Independent Practice; Problem Solving please help!

arrange the steps to preform this subtraction operation in the correct order 1.93x10^7-9.7x10^6
HELP

Using the image below, find the Surface Area of this 3- Dimensional Figure (1 point for showing your work, 1 point for the correct surface area)

Which values best complete the relative frequency table?
F:) Yellow = 0.20; Orange = 0.40
G:) Yellow = 0.08; Orange = 0.16
H:) Yellow = 0.06; Orange = 0.12
J:) Yellow = 0.80; Orange = 0.16

Recent statistics have reported that the total area of Brazil is about 3 × 10^6 square miles, while the total area of Japan is about 2 × 10^5 square miles.


Create and solve an equation that can be used to find about how many times larger the area of Brazil is than the area of Japan.

HELP HELP HELP HELPPPPPP

What is the median of this data set?

Are the statements true or false?

Select True or False for each statement.

Statement True False
1/4⋅3/4=3/4⋅1/4
True – 1 /4 · 3 /4 = 3/ 4 · 1 /4
False – 1/ 4 · 3 /4 = 3 /4 · 1 /4
3/4÷2/5=2/5÷3/4

please help me with this math. picture attached

pleaseee helpppp. is this right ???

Simplify the quantity 12 minus three fifths times the square root of 25 end quantity squared plus the quantity 2 minus 4 end quantity squared.

A. 1,804
B. 814
C. 85
D. 18

I only have two questions from my homework that I don't have done, and I need a bit of help, please end thank you!

2, 3, 5, 9, 17, 22, 31, 39

Regina kept track of the points she scored during her team’s first eight basketball games. What is Regina’s mean score?
Responses
A 3939
B 1616
C 3737
D 1313
E 17

Ian​'s car can go 111 miles on 3 gallons of gas. During a drive last​ weekend he used 8 of gas. How far did Ian ​drive?

NEED HELP ASAP Match each set of information about a circle with the area of that circle.

Drag and drop the card to match the information.

To avoid a storm, a pilot of a vintage biplane flies up 2,500 feet, but stays below 32,000 feet. Write and solve an inequality to find the maximum original altitude of the plane.


a + 2,500 > 32,000; a > 34,500

a + 2,500 < 32,000; a < 29,500

a + 2,500 < 32,000; a < 34,500

a + 2,500 > 32,000; a > 29,500

simplify (2 x 3^-2)^3(5 x 3^2)^2/(3^-2)(5 x 2)^3

Evaluate.


−18.6

--------------

-1


Enter your answer in the box.

A plant’s growth rate is observed one time per week over the course of 5 weeks. Since the plant is still a seedling in the first two weeks, the observer starts to record the height of the plant in Week 2. The observer notes that on week 2, the plant is 4 inches high. On week 5, the plant is 13 inches high.

(do it or ill eat u alive) Create a word problem that can be represented by the expression.



8 × (−0.25)

3.34x10 of a fourth? right??

33,400

Using a proportion, how can we find 12% of 125? Please show your proportion set up and all work. HELP ME ASAPPPPPPPPP THE CORRECT ANWSER GETS A BRAINLIST I HAVE 3MINS SOMEONE PLEASE!!!!!

What is the rate in teaspoons of toasted sesame seeds per teaspoon of pepper flakes?

PLEASE HELP ASAP REALLY EASY

79.04/___=9.5

3.6 + 5.7 + __=17.024

56.89 - ___=2.001

8.7 x __ =16.2

356/__=3.56

5.0168+___=25

3.90800 - ___=0.15

___+0589=14

Please help me answer.

This is 4 questions.

1. Last year there where 1, 435 8th Grade students enrolled at your school. This year there are 1,220. What is the percent change in the number of 8th Grade students?
A: 15% Decrease
B: 215% Decrease
C: 17.6% Decrease
_________________________________________________________________
2. Mia is finally able to upgrade her cell phone. The one she wants cost $220 but she is able to get it 60% off, She has a coupon for an additional 10% off. How much does she pay for her phone?
A: $79.20
B: $66
C: $96.80
________________________________________________________________
3.Last week Kellie ran 28 miles. This week she ran 32 miles. What is the percent change in the number of miles she ran?
A: 12.5% INCREASE
B: 14.3% INCREASE
C: 14.3% DECREASE
_______________________________________________________________
4. A stereo system costs $275. It was on sale for 15% off. The sales person receives a 2% commission. How much of a commission do they receive?
A: $4.68
B: $233.75
C: 46.75

There are currently 6,210 fish in a lake. If the number of fish in the lake increased by 15 percent during the last year and 20 percent during the year before that, how many more fish are in the lake currently than in the last two years ago?