Mathematics High School

What is the simplified expression for

-3x2 + 5x + 2 - 1 - 7x + 3x2

Answers

Answer 1

Answer:

-2x + 1

Step-by-step explanation:

1: -3x^2 + 5x + 2 - 1 - 7x + 3x^2

2: (-3x^2 + 3x^2) + (5x - 7x) + (2 - 1)

3: 0 - 2x + 1

4: -2x + 1

Step 1: Given equation

Step 2: Group the terms with similar exponents together

Step 3: Add the terms together

Step 4: Simplify completely

Related Questions

9 ⅚ + 1 ¼ + ___________ = 14

Answers

Answer:

14

reeaADADSDDSSA

Step-by-step explanation:

[answer 1 11/12 or 2.917]

1. 9 5/6 + 1 1/4 =  11 1/12

2. 14 - 11 1/12 = 35/12 then you smiplfy to get  1 11/12 or 2.917

Answer number 2 pls pls pls pls

Answers

Answer:

The equation would be 10+55h

Step-by-step explanation:

You have to add 10 to the equation because that is the transportation fee

Then it is 55 dollars per hour and let h represent the number of hours

The full equation would be 10+55h

10 + 55h where h represents the total amount of hours, 55 represents the hourly fee, and 10 represents the fixed transportation fee.

Omg please help ASAP!!

Answers

Answer:

try the first, fourth, and last one

Step-by-step explanation: when you read the question it say select all that apply to form the equation so all you have to do is select the numbers and the variables that are in the equation above.

I need help please help me number 3 and 4

Answers

3. is 10 add 5 or round 5 its 10  4. is 28 and i just added sorry if 4 is wrong

HELP ASAPPPP!!!!!
Find the value of x in the figure.


Two intersecting lines with vertical angles x degrees and 40 degrees.

Answers

Answer:

x=40°

Step-by-step explanation:

Since anges are vertical By Vertical Opposite angle property of Intersecting Lines

HOPE IT HELPS YOU.MARK ME AS BRAINIEST

Can anyone help please this question!

Answers

Answer I blive is is 8

Step-by-step explanation:

The number of miles, x, that a cross country athlete can run is represented by the inequality
x+3<15
What conclusion can be made about the number of miles?

Answers

Answer:

That the number of miles is going to be less than 15

Step-by-step explanation:

If you wanted to solve the inequality then the answer would be x<12

Can you please give me brainliest

Twice the difference of a number and 4 is 3.​

Answers

Alright let’s use the variable X here for example.

2(X - 4) = 3
And that missing number is 5 1/2.
Which now equals 3.

Which point is located at (4, 1)? On a coordinate plane, point A is 4 units to the right and 1 unit up. Point B is 4 units to the left and 1 unit up. Point C is 1 unit to the right and 4 units up. Point D is 1 unit to the left and 4 units up. A B C D

Answers

Answer:

Point A is 4 units to the right and 1 unit up. (A).

Step-by-step explanation:

The reason is (4, 1) is (x, y).

x is in a horizontal line while y is in a vertical line.

In x, right is positive while left is negative.

In y, up is positive while down is negative.

Plzzzz helpppppppppp

Answers

Answer:

Its D

Step-by-step explanation:

You divide the fractions

Answer:

c

Step-by-step explanation:

PLEASE HELP!!! RIGHT AWAY PLEASE!!

Which expressions are equivalent?

Select ALL answers that are correct.

1. 24x^6−18x^5=6x^5(4x−3)
2. 20x^3+12x^2=4x^2(5x+3)
3. 12x^5+8x^3=2x^3(6x2+4)
4. 18x^4−12x^2=6x(3x^3−2x)

Answers

Answer:

1

3

4

Step-by-step explanation:

What is $27.00 in cents

Answers

2,700!!!!!!!!!!!!!!!!!!!!

Answer:

2700

cents

Step-by-step explanation:

Identify the slope, or rate of change, and describe it in terms of the problem. A contractor charges an initial fee of $50 and then $225 for every three days of work it takes to complete the project. Identify the rate of change and describe it in terms of the problem.

Answers

Answer:

$75

Step-by-step explanation:

Given,

Initial fee / charge = $50

Charge per 3 days of work = $225

The rate of change is the slope which is the change in amount charged per day;

HENCE, we need to calculate the charge per day on other to find the rate of change :

If $225 is charged for 3 days

Amount charged per day is ;

$225 / 3

= $75 is charged per everyday of work it takes to complete the project

A family wants to rent a car to go on vacation. Company A charges 70.50​$ and 16cents . Company B charges ​30.50$ and 8 cents . How much more does Company A charge for x miles than Company B ​?

Answers

Answer:

$40 dollars more

Step-by-step explanation:

HELPPPPPPPP i need it asap

Answers

Answer:

3.6

Step-by-step explanation:

The square root of 13 is 3.60555127546, which rounds to 3.6.

Answer:

3.6

Step-by-step explanation:

When you put √13 into the calculator, you get 3.60555127...

Since the first number after the decimal is the tenths place, we would round our number to 3.6

(0 . tenths hundredths thousandths etc.)

Hope this helped!

PLEASE HELP I will give Brainly to however gets it right. Miguel's irrigation tank for his large garden had 15.5 gallons of water before he began to
fill it at a rate of 1.4 gallons per minute.
Alejandro checked his irrigation tank and found it contained 45.5 gallons, before he
began draining his tank at a rate of 0.6 gallons per minute.
After how many minutes will the two irrigation water tanks have the same amount of
water?

Answers

Answer:

It will take 50 minutes.

Step-by-step explanation:

Because if you are trying to get 45.5 to 15.5 you need to drain 30 gallons of water, and to do that it will take 50 minutes because 0.6*50=30.

Hope this helps!

Pls mark brainliest if it is correct

TRUE OR FALSE
becomes zero for x​

Answers

Answer:

True

Step-by-step explanation:

15 out of 50 students have pets at home. What percent of the students have pets at home?

Answers

Answer:

7.5

Step-by-step explanation:

divide 15 and 50

6(x-4y) does anyone know this answer

Answers

Answer:

4

Step-by-step explanation:

can you explain this for me 7-9÷3+6×6×2-4÷2​

Answers

Answer:

The Answer Is 74. Your Welcome

solve for all solutions: sin5x=-1/2

Answers

Answer:

-1/10

Step-by-step explanation:

Let's solve your equation step-by-step.

5x=−1/2

Step 1: Simplify both sides of the equation.

5x= -1/2

Step 2: Divide both sides by 5.

5x/5 = -1/2/5

x=-1/10

If the following data were transformed, and points with the coordinates (x.log()) were plotted, what points would be plotted? Round log() to threedecimal places

​

Answers

I think it’s A because I think it’s multiplying each number

Answer: It’s D

Step-by-step explanation:

Find the value of the expression

dc + 2h


for c = 2, d = 3, and h = 3.

Answers

Answer:

12

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Step-by-step explanation:

Step 1: Define

dc + 2h

c = 2

d = 3

h = 3

Step 2: Evaluate

Substitute:                        3(2) + 2(3)Multiply:                            6 + 6Add:                                  12

Answer: 12

Step-by-step explanation: replace d and c for their numbers so it would be 3x2 since the numbers are next to each other you multiply. 3x2=6. do the same with the other side: 2x3=6. 6+6=12.

5
Thrifty Rentals charges $8.85 per hour to rent a
tiller. About how much will Rodney pay if he rents
the tiller for 10.25 hours?
A
$2.15
B
$19.85
С
$90.00
D
$109.00

Answers

B is the correct answer

What is a simplified expression term for -10f + -9f + 7

Answers

Answer:

-19f + 7

Step-by-step explanation:

group the fs

-19f + 7

is the simple expression

Answer the question in the image below

Answers

Answer:

(0,-3)

Step-by-step explanation:

48 + 6m use the GCF to rewrite the expression​

Answers

Move all terms containing m to the left all other terms to the right 48+-6m=6m+-6m
48+-6m=0

A map has a scale of 2 cm equals 30 miles. If two towns are 300 miles apart, how far are they away from each other on the map?

Number only.

Answers

Answer:

20

Step-by-step explanation:

2cm=30miles

20cm=300miles

Hope this helps!

Brainliest is appriciated

Answer:

150 cm

Step-by-step explanation:

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y=2x+5. It says Complete the missing value in the solution to the equation. I NEED TO SOLVE FOR X

Answers

Answer: X=y/2-5/2

Step-by-step explanation:

Answer:

x=1/2y+(−5/2) or x=y-5/2

Step-by-step explanation:

Step 1: Flip the equation.

2x+5=y

Step 2: Add -5 to both sides.

2x+5+−5=y+−5

2x=y−5

Step 3: Divide both sides by 2.

2x/2=y−5/2

x=1/2y+(−5/2) or x=y-5/2

Dale buys candy that costs $8 per pound. He will buy at least 7 pounds of candy. What are the possible amounts he will spend
on candy?
Use c for the amount (in dollars) Dale will spend on candy,
Write your answer as an inequality solved for c.

Answers

Answer:

66

Step-by-step explanation:

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