Simplify each expression by combining like terms

a). x + 2x
b). 3m + 4n - 6n

Answers

Answer 1

Answer:

1) 3x

2) 3m - 2n

Answer 2

Answer:

below

Step-by-step explanation:

3x, 3 m − 2 n


Related Questions

ea income of a person is Rs
90000. It is
It is increased by 15.1., what
after one year
- ?
is the income of person​

Answers

Answer:

$13500. 00 is the 15% increase yearly + $90000.00 = $103,500.00 new yearly salary

The table shows the numbers of pictures you upload to a social media website for 5 days in a row. How many total pictures do you upload during the week when 32% of the total pictures are uploaded on Saturday and Sunday?

Day Pictures Uploaded
Monday 2
Tuesday 2
Wednesday 4
Thursday 1
Friday 8

Answers

Answer:

25

Step-by-step explanation:

The way I did this was I added all the numbers together (number through Monday-Friday) and got 17. Then I started off with 20, and multiplied 20 by 0.68 to get 13.6, now I’m trying to get up to 17 so I kept going up by 1 to finally try 25 x 0.68 = 17. Hopefully this makes sense!

How can canyons change because of erosion ? I will mark brainliest

Answers

Answer:

Ice forces the cracks to become larger and larger, eroding bits of stone in the process. During brief, heavy rains, water rushes down the cracks, eroding even more rocks and stone. As more rocks crumble and fall, the canyon grows wider at the top than at the bottom.

Which is a better deal per
ounce--a 16-oz bag of
M&Ms that costs $3.20, or a
2-oz bag of M&Ms that costs
$0.50?

Answers

Answer:

$0.25

Step-by-step explanation:

2-0z bag of M&Ms costing $0.50 is better, because

0.50/2 = $0.25

What is 81 = 3x

plz help will give phone number and brainlest

Answers

Answer:

x= 27

Step-by-step explanation:

81=3x

divide by 3

x= 27

Answer:

x = 27

Step-by-step explanation:

hopefully that is the answer

only correct answer ...
not for points .
with explaination !!!!.
the diameter of rectangular box are in the ratio 2:3:5 and difference between the cost of covering with sheet of paper at the rate of ₹4 and ₹4.50 per m² is 416 . Find the dimension of box .​

Answers

Answer: 166.4/249.6/416

Step-by-step explanation:

Solve each system of equations by graphing,
5. y= 4x - 1
y=-2x + 11
(2,7)
o
(-2,5)
no solution

Answers

Answer:

2,7 is correct

Step-by-step explanation:

y equal to 4x -1

put values

7 equal to 4(2)-1

7 equal to 8-1

7 equal to 7

Janet's car insurance payment decreases by $30 each year. Which expressions represent the total change in her payment, in dollars, after 4 years?

Answers

Answer:

The change after five years is equal to -$100

Step-by-step explanation:

If the insurance payment is equal to P = N dollars, where P is a real number, we know that after one year, the payment decreaces by $20, so the new payment is:

P = N - $20

Then, after 5 years, the $20 dollars are discounted five times, so the payment will be:

P = N -5*$20 = N - $100

Then the total change after 5 years is equal to those $100 that are being subtracted in the last equation.

Oscar collects string. He has 95 yards rolled into a ball. How many pieces
that are 0.05 of yard long can he cut from his ball of string?

Answers

Answer:

1900pieces

Step-by-step explanation:

95/0.05=1900

Can you guys please help me with this problem

Answers

Step-by-step explanation:

a+10=44°[being interior angle of triangle]

a=44-10

a=34

now

2a

2×34

68

igussss

2 5/8 as a negative number

Answers

Answer:

2 5/8-

Step-by-step explanation:

i hope my answer helped u out and if its right may i get brainliest.

Answer:

-2 5/8

Step-by-step explanation

Find the slope of the line that passes through (3, 8) and (5, 9).

Answers

Answer:

1/2

Step-by-step explanation:

y2-y1 divided by x2-x1 is (9-8)/(5-3)= 1/2

Answer:

slope= 1/2

Step-by-step explanation:

b. In a hockey tournament, Jeremy's team scored 7 goals and had
8 goals scored against it. How many goals did Jeremy's team
lose by?

Answers

Answer:

Jeremy's team lost by 1 to get a tied game but his team lost by 2 for the win

Sales associates at an electronics store earn different commission
percentages based on the items they sell. The table shows the total
sales and commission earnings for four sales associates at the
electronics store last month.


GIFTING EXTRA POINTS

Answers

Answer:

how am i gonna solve the equation if i cant see the actual chart?

Step-by-step explanation:

determine the degree measure of an arc whose central angle measures 4pi/15 radians

Answers

Answer:

[tex]\boxed{\textsf{ The degree measure is \textbf{ 48}$^{\textbf{o}}$.}}[/tex]

Step-by-step explanation:

Here we are given radian measure which is 4π/15 radians . We know the relationship between Radian and Degree measure as ,

[tex]\qquad\boxed{\boxed{ \sf\pi rad = 180^o }}[/tex]

Put on the respective values ,

=> π rad = 180°

=> 1 rad = 180°/ π

=> 4π/15 rad = 180°/π × 4π/15

=> 4π/15 rad = 48 °

7 yd
Determine the Volume. Write an exact answer.
A)
B)
C)
6861 cubic yards
228.61 cubic yards
718.31 cubic yards
18
27

Answers

Answer:

C) 718.3 cubic yards

Step-by-step explanation:

I hope this helps :)

Answer:

228.6π cubic yards

Step-by-step explanation:

Volume of a cone formula: V = 1/3hπr²

h = 14

r = 7

Just plug in the values.

1/3(14)π(7)² = 228.6π

Royce has 4 green pens, 2 blue pens and 6 red pens in a box. He will randomly choose 1 pen from the box. What is the probability Royce will select a blue pen?

Answers

Answer:

2/12

Step-by-step explanation:

4 + 2 = 6 + 6 = 12

there is 2 blue pens

so 2 out of 12

CAN I HAVE BRAINLEIST PLEASE?????

Answer:

1/6

Step-by-step explanation:

There are 12 pens in the box and 2 blue pens

Probability to selecting a blue pen is 2/12 = 1/6

I need help ASAP The angle measures of a triangle are shown in the diagram. 50° les (3x - 10) ° What is the value of x? F25 G 20 H 10 ) 28 search C​

Answers

Answer:

The answer is 28

Step-by-step explanation:

Since the total measurements of triangle corners are equal to 180

Then

[tex]2x + 3x - 10 + 50 = 180 \\ 5x - 40 = 180 \\ 5x = 140 \\ x = 28[/tex]

The monthly membership costs include a $10 basic fee plus $2 for each DVD she rents. Which equation describes v, the number of DVDs Ingrid can rent, based on T, the amount she spends for membership costs per month?
A. v= t/2 - 5
B. v= t/2 - 10
C. T= v/2 - 10
D. T= v/2 - 5

Answers

Answer:

A) v = T/2 - 5

Step-by-step explanation:

T = 10+2v

2v = T-10

v = (T-10)/2 = T/2-5

The equation that describes no. of DVDs that Ingrid can rent is A.              v = (T/2) - 5.

What is an equation?

An equation states that terms on both sides of the equality sign are equal.

The monthly membership costs 10 dollars, and The rent for each DVD costs 2 dollars.

No. of DVDs that can be rented is denoted by v based on T.

The equation that describes the total cost of renting DVDs is,

T = 2v + 10.

∴ The equation that describes no. of DVDs that can be rented is

2v = T  - 10.

v = (T/2) - 5.

learn more about equations here :

https://brainly.com/question/10413253

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Find the slope of the line through the pair of points.

L(–9, 6), M(–1, –9)

[tex]\frac{3}{10}[/tex]

-[tex]\frac{15}{8}[/tex]

[tex]\frac{15}{8}[/tex]

-[tex]\frac{8}{15}[/tex]

Answers

15/8
Bc I just did this

Answer:

Hi!

Step-by-step explanation:

Slope is -15/8

Final answer is -15/8

I hope this helps you!

Have  a nice day! :)

-

:D

Step-by-step explanation:

Slope is rise over run. This means your y is over your x. Start with subtracting your y values. It doesn't matter which way, just make sure you do the same with the x values. For this, I'll do it 6 - -9. The two negatives cancel out and make a positive, so your y value is 15. Now, do the same to the x values. -9 - -1 is -8. You're left with 15/-8. Since this can't be simplified, this is your final answer. Hope I helped!

heres your daily dos of math
y = -4 - (-11)

Answers

Answer:

The answer is 7............

Answer:

y = -4 - (-11)

Since all the variables and constants are together on each side, just solve as is.

y = -4 - (-11)

y = 7

Step-by-step explanation:

hope this helps:)

Lisa has been dancing for 3 more years than danika Danika has been dancing for 6 years

Answers

Answer:

lisa has been dancing for 9 yrs

Step-by-step explanation:

6+3=9

and ive been dancing for longer than both of them lol hope this helped :)

Answer:

9 Years

Step-by-step explanation:

Write an expression that is equal to 11 to the power of3

Answers

11*11*11

Step by step
11^3 is the same thing as 11*11*11
To the Power is the the number itself so if you have 5 to the power of six you would multiply 5 ... 6 times so 11*11*11 is to the power of 3
Hope this helped

Find the solution to the system of equations given below:
x=-4
-5x-4y=16

PLS HELP

Answers

Answer:

Step-by-step explanation:

Since x=-4 plug in the -4 into the equation to find y,

-5(-4)-4y=16

20-4y=16                                                                                                                             -20       -20                                                                                                                   __________

-4y=-4

-4y/-4=-4/-4

___________

y=1

So now you found both x and y so plug in both now to check if both are correct.

-5(-4)-4(1)=16

20-4=16

16=16

So both y and x are correct.

Hope this helps!:)

The arrow of this spinner was spun 60 times. On 45 out of 60 times, the arrow landed on a section with a multiple of 4. What was the experimental probability of the arrow landing on a section labeled with a multiple of 4?

Experimental or Theoretical?

Answers

Answer:

Step-by-step explanation:

The experimental value of probability of the arrow landing on a section labeled with a multiple of 4 is 3/4 or 0.75

What is Probability?

The probability that an event will occur is measured by the ratio of favorable examples to the total number of situations possible

Probability = number of desirable outcomes / total number of possible outcomes

The value of probability lies between 0 and 1

Given data ,

The probability that the arrow lands on a section labeled with a multiple of 4 is an experimental probability since it is based on the results of an actual experiment or trial.

The experimental probability is given by:

Experimental probability = Number of times the event occurred / Total number of trials

In this case, the event is the arrow landing on a section labeled with a multiple of 4, and the total number of trials is 60.

From the given information, we know that the arrow landed on a section labeled with a multiple of 4 on 45 out of 60 times.

So the experimental probability is:

Experimental probability = 45/60

Simplifying:

Experimental probability = 3/4

Hence , the experimental probability of the arrow landing a multiple of 4 is 3/4 or 0.75

To learn more about probability click :

https://brainly.com/question/17089724

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THIRTY POINTS

Which of the following explains how to find the area of the shaded region shown?



Part two: Find the area in square units.

Answers

Answer:

you find the area of in and ouside then subtract

Step-by-step explanation:

the area in squ is 146

If the radius of the pancake is 3 inches, what is the diameter

Answers

Answer:

The diameter is 6

Step-by-step explanation:

When you are using a radius and are trying to find the diameter always multiply the radius by 2. A radius is half of a diameter.

Hope this helps.

The diameter of the pancake is 6 inches.

What is diameter?

Diameter is the distance through the center of the circle from one side to the other side.

Radius of pancake[tex]=3[/tex] inches

The formula to find the diameter of the pancake is [tex]d=2r[/tex]

⇒[tex]d=2[/tex]×[tex]r[/tex]

⇒[tex]d=2[/tex]×[tex]3[/tex]

⇒[tex]d=6[/tex]

Thus The diameter of the pancake is [tex]d=6inches[/tex]

Link to know more on diameter of circle here

https://brainly.com/question/13137608

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Samantha wants to treat her friends to a movie. Tickets cost $6 each and popcorn and drinks will cost $30. She can spend no more than $150 so how many friends can she take?



a) Write an inequality to represent the situation.



b) Solve the inequality to find the maximum number of friends she can take?

Answers

6x+30(less than or equal to sign) 150
The max amount of friends she can bring is 20

6x+30(less than or equal to sign) 150

The max amount of friends she can bring is 20 that is the answer to the question

7. The dominant trait for being tall is (A). The recessive trait for being short is (a). Based on the Punnett square what percentage of offspring will be short?
100%
75%
50%
25%

Answers

Answer:

50%

Step-by-step explanation:

I NEED HELP ASAP :))))​

Answers

Answer:

its 8/3 and 2

Step-by-step explanation:

its that answer because on the chart its f(x and g(x and there both on there

Answer:

It should be C

Step-by-step explanation:

I hope this helps!

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