please help! its math and im so confused!

Answer:

1. =8

2. =9

3.=20

4.=3

HELP PLEASE!! MATH! USA TEST PREP HELP!!!

The sum of three decimals.
23.56 2.56 2.5892.

Step by step I need to show my work.

[PICTURE ATTACHED] HHHHEEEELLLPPP!

i already know the first one, but what the answer for the other two.

What are the classifications for the triangles in problems 1 and 2?

The costs of different sizes of orange juice are showing in the table

Dewayne is throwing a birthday party for his friend. He wants to serve each guest one cupcake and one can of soda. At the store, soda is sold 6 to a pack, and cupcakes are sold 4 to a pack. What is the fewest number of cupcakes and sodas Dewayne must buy so that he has the same number of each?

A bag contains 6 one-dollar coins and 4 two-dollar coins. Three coins are taken at random without replacement.

a Draw a simplified tree diagram to show the sample space.
b Find the probability that the coins were taken out are the same.
c What is the probability you will have exactly $3?
d What is the probability you will have exactly $6?
e. What is the probability you will have exactly $5?

Julie's and Don's mathematics classes are selling sandwiches as a fundraiser. Julie's class has reached of their goal and Don's class reached of their goal. Julie says her class has collected more money than Don's class.
What is a possible goal that Julie's class and Don's class could have set if Julie's class collected LESS than Don?

Julie's Class: $300 Don's Class: $300
Julie's Class: $600 Don's Class: $400

Julie's Class: $200 Don's Class: $125
Julie's Class: $400 Don's Class: $350

n an inequality, 0.5 is the greater number. What will the position of the other number be in relation to 0.5 on the vertical number line?

how do you find the y-intercept from a table and from a graph?

The body of a 154-pound person contains approximately 2×102 milligrams of gold and 6×103 milligrams of aluminum. Based on this information, the number of milligrams of aluminum in the body is how many times greater than the number of milligrams of gold in the body?

can you show your work too?

Help! Question on khan academy! pls explain

20 POINTS
A Tour of Washington, D.C. Parallel Lines and Transversal
(if anyone can find the actual answer that would be greatly appreciated)

This graph represents a linear relationship between x and y. Which equation best represents the relationship shown in this graph?
A: y=34/x
B: y=4/3x
C:y=−3/4x
D:y=−4/3x

A scale of 1:25 was used to create a drawing of an object. How would you find the actual length that corresponds with a given scale length?
A.)Multiply the scale length by 1/25.
B.)Multiply the scale length by 25.
C.)Divide the scale length by 1/2.5 .
D.)Divide the scale length by 25.

A class party was attended by 80% of the students. If there are 60 students in the class, how many attended the party?​

What is one-half divided by one-eight?
Please use fractions
I'll give brainliest if it's right and you show ur work

Pls help if these questions don’t get answered by tonight my “back” will never feel the same

A store owner has 7.11 lbs. of candy. If she puts the candy into 9 jars, how much candy will each jar contain?

What is the average speed in miles per hour of a car that travels 956.4 miles in 15.9 hours? Round your answer to the nearest tenth.

A member of the school track team ran for a total of 179.3 miles in practice over 61.5 days. About how many miles did he average per day?

38.86 divided by 3.9

Dividing decimals

what is 35.6 multiplied by 4.9.

Students voted for a new class president and the results are shown in the table.

A 2-column table with 3 rows. Column 1 is labeled Candidate with entries Rosalia, Jocelyn, Danny. Column 2 is labeled Votes with entries 124, 109, 111.

The ratio 124:111 is a _______compassion

part-to-part

part-to-whole

whole-to-part

whole-to-whole

Darius created a factor tree and wrote the prime factorization of 60 shown here.

A factor tree of 60. 60 branches to 4 and 15. 4 branches to 2 and 2. 15 branches to 3 and 5.


60 = 2 × 3 × 5

What is Darius’s error?

What is 2 8 10 +(−3.5) in decimal form? Show your work

The shaded area of the picture shows what part of the yard Rashon mowed in 15 minutes. He wonders how long it will take him to mow the whole yard.

How long will it take Rashon to mow the entire yard?


30 mins.




60 mins.



90 mins.

180 mins.

BRAINLIEST!!!!
The population of a town can be modeled by f(x) = 19,820 * 0.98^x. Identify the initial value of the population. Is the population increasing or decreasing? What is the growth or decay factor? How does the population change each year?

The Spring Middle School gym used to hold 350 people. Now, they are only able to hold 200 people. By what percent did the seating in the gym change? (round your percent to the tenths place)

7. A number cube is labeled 1 through 6. The probability of randomly
rolling a 5 is . What is the probability of not rolling a 5?

Chance rode his bike for x minutes, and Jaden rode his bike for 3/8 more than that.

Part A
Write and equation using fractions that relates the number of minutes Chance rode with y, the number of minutes that Jaden rode his bike. (write your answer as a fraction)
y= __ x

Part B
Write an equation, using decimals, that relates the number minutes chance rode with y, the number of minutes that Jaden rode his bike.
y=___ x

M/-4 less than or greater than 2

If Sue runs one mile every 7 minutes, and this relationship is graphed, which ordered pair would not be on the graph?

A. (2, 14)
B. (6, 42)
C. (8, 54)
D. (5, 35)

Congruent angles have _______________ supplements.
Fill in the blank