Helpp!
Find (8x + 9) + (-6x - 2). Show your work.

Answers

Answer 1

Answer:

2+11

Step-by-step explanation:

Distribute

(8+9−1(6−2)

(8+9)−6+22

Eliminate redundant parentheses

(8+9)−6+2

8+9−6+23

Add the numbers

8+9-6+2

8+11−64

Combine like terms

8+11−6

2+11

Answer 2

x=-7/2 is the value of the expression (8x + 9) + (-6x - 2).

What is Expression?

An expression is combination of variables, numbers and operators.

The given expression is (8x + 9) + (-6x - 2).

Eight times of x plus nine plus minus six times of x minus two.

x is the variable in the expression , plus and minus are the operators.

(8x + 9) + (-6x - 2).

8x+9-6x-2

Add the like terms

2x+7

2x=-7

Divide both sides by 2

x=-7/2

Hence, x=-7/2 is the value of the expression (8x + 9) + (-6x - 2).

To learn more on Expressions click:

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Related Questions

pls help meeeeeeeeee

Answers

1. C 2.E 3.A 4.F 5.D 6.B
Question 2- 1.< 2.< 3.>= 4.< 5.>= 6.>

(6 x10^2) divided by (3 x 10^-5)
Give your answer in standard form.

Answers

The ansser is 2x10^-3 sorry for the mistake i’m french

The difference between h and 9 divided by 3.
1 pointh-9/3
a) (h-9)/3
b) (9-h)/3
c) 9-h/3

Answers

Answer:

A

Step-by-step explanation:

Lewis walked 9/10 of a mile. His friend walked 2/5 of the way with him. How many miles did Lewis's friend walk with him?

Answers

Answer:

Lewis's friend walked with him 9/25 miles

Step-by-step explanation:

Given that

Lewis walked 9/10 of a mile

And His friend accompanied him on 2/5 of the way.

This is a simple question of fraction multiplication

The fraction 2/5 has to multiplied with the miles walked by lewis

So

[tex]= \frac{2}{5} * \frac{9}{10}\\=\frac{9}{25}[/tex]

Hence,

Lewis's friend walked with him 9/25 miles


A girl weighs
as much as her brother does. If the girl weighs 110 lb, how much does her brother weigh?
A)
68 lbs
Eliminate
B)
154 lbs
C)
176 lbs
D)
220 lbs
E)
310 lbs

Answers

Answer:

None, her brother is 110 lb

Step-by-step explanation:

Mai and Tyler work on the equation 2/5 b + 1 = -11 together. Mai’s solution is b= -25 and Tyler’s is b = -28 Here is their work. Do you agree with those solutions?

Mai: Tyler:

2/5 b + 1 = -11 2/5 b + 1 = -11

2/5 b = -10 2b + 1 = -55

b = -10 • 5/2 2b = -56

b = - 25 b = -28

Answers

Answer:

I disagree with both solutions. The value of b that will make the expression correct is -30

Step-by-step explanation:

Given the equation solved my Mai and Tyler expressed as:

2/5 b + 1 = -11

We are to check the veracity of the solutions;

2/5 b + 1 = -11

Subtract 1 from both sides of the expression

2/5 b + 1 -1 = -11-1

2/5 b = -12

Cross multiply

2b = -12 * 5

2b = -60

Divide both sides by 2

2b/2 = -60/2

b = -30

Since the solution b = -25 and -28 does not tally with the gotten solution, I disagree with the both solutions

can anyone PLEASE HELP WITH THIS QUESITON?!??!

Answers

Answer:

13

Step-by-step explanation:

The total surface area of a cube is 96cm2, find its volume.

Answers

Answer:

[tex]\huge\boxed{V=64cm^3}[/tex]

Step-by-step explanation:

The formula of a surface area of a cube:

[tex]SA=6a^2[/tex]

The formula of a volume of a cube:

[tex]V=a^3[/tex]

We have

[tex]SA=96cm^2[/tex]

Calculate the edge length (a).

[tex]6a^2=96[/tex]           divide both sides by 6

[tex]a^2=16\to a=\sqrt{16}\\\\a=4(cm)[/tex]

Calculate the volume of a cube:

[tex]V=4^3=64(cm^3)[/tex]

6v+18-9v=-12
solve for v.​

Answers

Answer:

v = 10

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Equality Properties

Step-by-step explanation:

Step 1: Define Equation

6v + 18 - 9v = -12

Step 2: Solve for v

Combine like terms:                    -3v + 18 = -12Isolate v term:                              -3v = -30Isolate v:                                       v = 10

Step 3: Check

Plug in v into the original equation to verify it's a solution.

Substitute in v:                    6(10) + 18 - 9(10) = -12Multiply:                               60 + 18 - 90 = -12Add:                                     78 - 90 = -12Subtract:                              -12 = -12

Here we see that -12 does indeed equal -12.

∴ v = 10 is the solution to the equation.

Carson has two cans of red paint. The first can contains 3 pints of red paint. The second can contains 4 16 pints of red paint. If Carson wants both cans to contain the same amount of paint, how many pints of 2 1paint must he pour from the second can into the first can?

Answers

Answer: 1⁵/₈ pints

Step-by-step explanation:

First can contained 3¹/₄ pints and second can contained 6¹/₂.

To make them equal, first find the different;

= 6¹/₂ - 3¹/₄

= 6.5 - 3.25

= 3.25

Divide this difference by 2;

= 3.25/2

= 1.625

= 1⁶²⁵/₁₀₀₀

= 1⁵/₈ pints

If Carson pours 1⁵/₈ pints from the second Can, it would increase the first can to 4⁷/₈ pints whilst reducing the second can to 4⁷/₈ pints as well.

Which expressions are equivalent to 4¹²

Answers

Answer:

4x12= 48. So what option gives you 48?

Step-by-step explanation:

Give the options

Look at the relationship between a and b

Answers

Answer:

B

Step-by-step explanation:

Calculate the marked price of a sweater purchased at Rs. 1075 allowing 14% discount. ( please do proper answer )​

Answers

Answer:

Rs. 1250

Step-by-step explanation:

Let the marked price be x, then we have:

x - 14%  = 1075x*(100 - 14)/100 = 1075x*0.86= 1075x = 1075/0.86x = 1250

Marked price was Rs. 1250

The young wizard, Darpinido, got 16 dragons and 12 griffins for his birthday. But his sister, In grid, left the gate open and more a=than 6 dragon and more than 3 griffins flew away. Now the young wizard has more griffins than dragons. What is the greatest number of dragons Darpinido could have now?

Answers

Answer:

7 Dragons.

Step-by-step explanation:

16 dragons                   6+ dragons gone

12 griffins                      3+ griffins gone

Let's say one more than 3 griffins are gone: 4 griffins are gone.

Then:

Griffins now = 8

Dragons now = <8

One less than 8 dragons is 7 dragons.

In the end, 4 griffins and 9 dragons had left.

What is the average speed of a car that traveled 153.8 kilometers in 3.7 hours?
km/hr

Answers

Answer:

41.5675675676km/hour or 41.57km/hour

Step-by-step explanation:

158÷3.7=41.5675675676  or 41.57

The width of a painting is 4 inches less than the length. The frame that surrounds the painting is 2 inches wide and has an area of 240 square inches. What are the dimensions of the painting? (Hint: The total area minus the area of the painting alone is equal to the area of the frame.)

Answers

Answer:

131 in²

Step-by-step explanation:

Let x represent the length of the painting. Given that The width of a painting is 4 inches less than the length. Hence:

Width = x - 4

The area of painting = length * width = x(x - 4) = x² - 4x

The frame that surrounds the painting is 2 inches wide (at the top and bottom, left and right). Hence the total width of the frame = (x - 4) + 2 + 2 = x, the length of the frame = x + 2 + 2 = x + 4

The area of the frame = length * breath = x(x +  4) = x² + 4x

Given that the area of the frame = 240 in², hence:

x² + 4x = 240

x² + 4x - 240 = 0

x = -17.62 and x = 13.62

Since the length cannot be negative, hence length = x = 13.62 inches

Area of painting = x(x - 4) = 13.62(13.62 - 4) = 131 in²

Make x the subject of y = 4x + 1
You may use the flowchart to help you if you wish.
X
y​

Answers

Step-by-step explanation:

y = 4x+1

y–1 = 4x

x = (y–1)/4

Plz answer this!⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️

Answers

Answer:

1/2 ÷ 3/10

1/2×10/3

5/3

1 2/3

1) option is correct

9514 1404 393

Answer:

  1)  1 2/3

Step-by-step explanation:

The model of choice 1 shows that 3/10 goes into 1/2 one and two-thirds times. That also happens to be the only model with the correct result.

  1/2 ÷ 3/10 = 5/10 ÷ 3/10 = 5/3 = 1 2/3

Hello I really need helo with this assignment! ​

Answers

Answer:

what assignment?

Step-by-step explanation:

i see nothing

What types of lines create alternate interior angles?
a) Parallel lines cut by a transversal
b) Three parallel lines
c) Any two intersecting lines
d) Perpendicular lines
А
B
C
D

Answers

C should be the correct answer

Simplify: 5/4(4x+3) - 3/4(x-2)

Answers

Answer:

4 1/4x + 5 1/4

Step-by-step explanation:

Hope this helps. Pls give brainliest.

Which of the following is equal to the expression below?
(6-^8)^4
A. -64
C.
1
64
D. -632

Answers

WHERE'S B ?

Step-by-step explanation:

Answer:

b option is not available here answer will ends with 6

What is the slope of the line that goes through the points (6, 4) and (8, -2)?

Answers

y=-3x+22

I'm typing this because the answer needs to be longer.

I WILL GIVE BRAINLIEST TO WHOEVER ANSWERS FIRST!!!





Choose one of the following.

Parallel lines have ____________________.

one solution
10 solutions
infinitely many solutions
no solution

Answers

Answer:

Parallel lines have no solutions.

Explanation:

The slope of a parallel line is 0, so there’s no solution.

Answer:

I believe one solution.

Step-by-step explanation:

John has four more nickels than dimes in his pocket, for a total of $1.25. What is an equation that could be used to determine the number of dimes, x, in his pocket?

Answers

The correct equation would be: 0.05(x+4) + 0.10x = $1.25

A nickel is worth 5 cents. A dime is worth 10 cents.

no. of nickels = x + 4
no. of dimes = x

nickels + dimes = 1.25
0.05(x + 4) + 0.10x = 1.25
0.05x + 0.20 + 0.10x = 1.25
0.15x = 1.25 - 0.20
0.15x = 1.05
0.15x/ 0.15 = 1.05 / 0.15
x = 7 *no. of dimes.

no. of nickels = x + 4 = 7 + 4 = 11

To check:
0.05(11) + 0.10(7) = 1.25
0.55 + 0.70 = 1.25
1.25 = 1.25

solve for x and graph ​

Answers

x= x>5 (make sure the line is under the greater than symbol)

Answer:

x ≥ 5

Step-by-step explanation:

5x+3-2x≥18

5x-2x+3≥18

3x+3≥18

(3x+3)+(-3)≥18+(-3)

3x+3-3≥18-3

3x≥15

3x/3≥15/3

x≥5

i dont know how to do this someone help please

Answers

Answer:

Step-by-step explanation:

they want you to remember your algebra...  :P

mulitply both sides by 5

5* [tex]\frac{x}{5}[/tex]  = -7 * 5         this is fair.. b/c you have done the same thing to both sides of the equal sign... the equal sign remains true

now  cancel the 5 s on the left

x = -35  and voila   you got it

hcf of 14 28 and 56 by long division method​

Answers

Answer:

14

Step-by-step explanation:

Note that 14 is a factor of 28 and also a factor of 56.  Thus, 14 is the greatest common factor of 14, 28 and 56.

Answer:

The common factors for 56,28,14 56 , 28 , 14 are −14,−7,−2,−1,1,2,7,14 - 14 , - 7 , - 2 , - 1 , 1 , 2 , 7 , 14 .

Hope that helps

Jordan is buying plastic plates for a party.The plates usually cost $2.40 per 10 plates,but they are on sale for 30% off usual price.If jordan buys 50 plates,how much will they cost

Answers

30% off means they are paying 70% of the original price.

Sale price = 2.40 x 0.70 = $1.68 for 10 plates

50 plates /  10  = 5

They buy 5 packages of plates.

1.68 x 5 = $8.40

Total price = $8.40

Answer:

Step-by-step explanation:

2.40 X 5 =$12

12 X 0.3=$3.6 off

12-3.6=$8.40

Therefore it'll cost $8.40

If the number of candy canes is proportional to the price and 12 candy canes cost $3.00, how much would it cost for 20 candy canes?

Answers

12/$3=20/x is the formula. Then cross multiply to get 12x=60, so x=$5.
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