MATHEMATICS HIGH SCHOOL

Can someone simplify this please

(x^3+2x^2-4)+(3x^2+6)

Answers

Answer 1

Answer:

Answer:

x³+5x²+2

Step-by-step explanation:

DM me if you have other questions!

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Answer question in the picture for brainliest and 10 points.
There are 6 girls and 7 boys in a class. A team of 10 players is to be selected from the class. How many different combinations of players are possible?]
Light travels at a speed of 3.0 ´ 108 m/s. If it takes light from the sun 5.0 ´ 102 s to reach Earth, what is the distance between Earth and the sun?
"Please tell the H.C.F. (Highest Common Factor) of 108, 162, and 270."
Two angles in a triangle add up to 108 degrees what is the size of the third angle

A pair of angles whose sum is 90 degrees are called _____ angles.

Answers

Answer:

complimentary

On a Saturday, the ratio of the amount of water used by household A to the amount of water use by household B was 13 : 5. Household A used 260 gallons of water for that day. Find the total amount of water used by the two household on that Saturday.

Answers

Answer:the total amount of water used by the two households on that Saturday is 360 gallons

Step-by-step explanation:

Let x represent the total amount of water used by the two households on that Saturday. On that Saturday, the ratio of the amount of water used by household A to the amount of water use by household B was 13 : 5. The total ratio is 13 + 5 = 18

The amount of water used by household A would be

13/18 × total amount of water.

The amount of water used by household B would be

5/18 × total amount of water.

Since household A used 260 gallons of water for that day, it means that

13/18 × x = 260

13x = 260×18 = 4680

x = 4680/13 = 360

Step-by-step explanation:

this is my answer I guess this will help

Select the word that correctly completes the sentence.Every function pairs __________ output value with one input value.
(1 point)
more than one
at least one
exactly one

Answers

Every function pairs exactly one output value with one input value.

the last one because for every functoin pair their is exactly one output value fo the function pair.

Three-fourths is
and
1 and one-half is
.

Answers

Answer:

3/4 + 1/2 = 5/4 or 1 and 1/4

Step-by-step explanation:

Find a common denominator for the two fractions. 1/2 becomes 2/4 because you are multiplying top and bottom by 2 to get 4 since 3/4 already has 4.

Now it becomes 3/4 + 2/4. Add the numerators and keep the denominator. You get 5/4. To get a mixed number, divide 5 by 4. Four goes in once, and leaves a remainder of 1. Keep your original denominator and write 1 and 1/4.

The movie theater has 250 seats 225 seats were sold for the carriage showing what percent of seats are empty?

Answers

Well 25 seats are available so 25/250 equals 0.1 or
10%

14/164880
57
Kate is selling bracelets and earrings on Etsy to make money for summer vacation. The
bracelets (x) cost $2 and earrings (y) cost $3. She needs to make at least $100, but can
only make up to 40 pieces of jewelry. Which inequalities represent this situation?
2x + 3y > 100
x + y = 40
100x + 2y = 3
x + y = 40
100x + 40y > 100
3x + 2y = 40
3x + 2y > 100
x + y = 40

Answers

Answer:

2x + 3y > 100

x + y = 40

Step-by-step explanation:

This is the answer because it shows the price of each and the combined products equaling more than 100 dollars, and the bottom one shows that the combined total of jewelry can not exceed 40 pieces.

Final answer:

The inequalities that represent Kate's situation are 2x + 3y > 100 and x + y ≤ 40.

Explanation:

In this situation, we can use the inequalities 2x + 3y > 100 and x + y ≤ 40 to represent Kate's goal of making at least $100 and making up to 40 pieces of jewelry. The inequality 2x + 3y > 100 ensures that the total cost of the bracelets and earrings is greater than $100, and the inequality x + y ≤ 40 guarantees that the total number of jewelry pieces is not more than 40.