Simplify the expression by combining like terms: x + 7x

Answers

Answer 1

Answer:

Like terms means that the numbers have the same variable after them or they don't have a variable at all.  It is also important to remember that any letter that doesn't have a number in front of it technically has a 1 in front of it.

For example, x + 3x = 1x +3x.  Then I add the numbers in the front and I get 4x.

If it had been 4x + 7x + 3, my answer would have been 11x +3.  That's because there were a total of 11 x, but the 3 ones weren't x's so I just leave them alone.

Step-by-step explanation:

Answer 2

Answer:

[tex]8x[/tex]

Step-by-step explanation:

[tex]x+7x[/tex]

[tex]8x[/tex]

The answer is [tex]8x[/tex] when you simplify because you are adding another [tex]x[/tex] to [tex]7x[/tex] so it becomes [tex]8x[/tex]

Hope this is helpful


Related Questions

answer pls best gets brainiest

Answers

Answer:

A

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

PLEASE I NEED THIS ASAP MY TEST HAS A LIMIT TIME AND I ONLY HAVE 2 MINUTES LEFT PLEASEEEEE <33


2 5
- * -
3 11

Answers

Answer:

10/33 I hope this helps. Good luck!

yup it is 10/33 he got it right

Answer this fast and correct and you will get a thanks, a brainliest and a 5-star review along with 10 points!

Answers

The answer is 25% if you subtract 55 by 30 you will get 25
Answer:  50

====================================================

Work Shown:

55% = 55/100 = 0.55

55% of 200 = 0.55*200 = 110 people prefer dogs

30% of 200 = 0.30*200 = 60 people prefer cats

Subtract the results: 110-60 = 50

Expand and combine like terms.

(4b^2+3)(4b^2-3)

Answers

Answer:

16b^4-9

Step-by-step explanation:

Factoring gives us 16b^4+12b^2-12^2-9. Simplifying gives us the answer which is 16b^4-9

Answer:

[tex]16b^4-9[/tex]

Step-by-step explanation:

When multiplying binomials, we can use a method called FOIL (First-Outside-Inside-Last).

For [tex](t_1+t_2)(t_3+t_4)[/tex], let:

[tex]t_1\implies \text{First Term},\\t_2\implies \text{Second Term},\\t_3\implies \text{Third Term},\\t_4\implies \text{Fourth Term}[/tex]

In the FOIL method, the steps go:

[tex]\text{\textbf{F}irst: Multiply the first and third terms (first term of each binomial)},\\\text{\textbf{O}utside: Multiply the first and fourth terms},\\\text{\textbf{I}nside: Multiply the second and third terms},\\\text{\textbf{L}ast: Multiply the second and fourth terms (last term of each binomial) }[/tex]

Given [tex](4b^2+3)(4b^2-3)[/tex], we have:

[tex]\text{First: }4b^2\cdot 4b^2,\\\text{Outside: }4b^2\cdot -3,\\\text{Inside: }3\cdot 4b^2,\\\text{Last: }3\cdot -3,\\\rightarrow 16b^4-12b^2+12b^2-9[/tex]

Combine like terms:

[tex]\boxed{16b^4-9}[/tex]

9 hundreds = _____ tens

Answers

Answer:

90

Step-by-step explanation:

900 in groups of 10 would need 90 groups to equal 900.

Answer:

90

Step-by-step explanation:

We also have 9 tens, which means we can say 9×10=90. And we have 24 ones, which means we can say 24×1=24.

A.1.5
B.9
C.20
D.22
plsss answer as fast as u can

the first person that answers and there answer is correct i will give u brainliest

Answers

Answer:

x=50 y=10

Step-by-step explanation:

the answer is D, because when you look at the chart






How many times as great as
2 x 103 is 8 x 105?

Answers

2 x 103 = 206, 8 x 105 is 840.
840 is roughly 4.08 times greater than 206.

Answer:gấp 103/420

Step-by-step explanation:2*103 =206

8*105=840 rồi lấy 206/840 =103/420 đáp án

Find the missing dimensions

Answers

Answer:

short base: 6 yards

long base: 8 yards

Step-by-step explanation:

Our understanding of your figure is shown below.

The question says the "shortest side" and the "width" have the same dimension. If the "width" is a reference to "height 6 yards", then it seems the "shortest side" is 6 yards. Since the slant sides are longer than the height, the "shortest side" is also the "short base."

The short base is 6 yards.

__

The long base overhangs the short base by 1 yard on either end, so it is a total of 2 yards longer than the short base. It it 6+2 = 8 yards long.

The long base is 8 yards.

Hope this is correct, if not then feel free to let me know. I'm sorry in advance if it is incorrect.

6 yards and 8 yards!!!

plz correct ans only thx for the help

Answers

Answer:

The width is 5m (A)

Step-by-step explanation:

The formula for area is length times width times height.

LxWxH

I hope this helps!

The area of a floor is 49m2. If the length is 8m, what is the width?
ANSWER: A.) 40 ÷ 8 = 5 m
Explanation:
A floor is a rectangle
The area of a rectangle is length • width
So to find the width, divide the area by the length:
40 ÷ 8= 5 m

A container holds 1 3/4 of litres of water. How many containers can be filled from 49 litres of water?
ANSWER: 28 containers
Explanation: the question is asking how many 1 3/4 liters of water-filled containers will be needed to have a total of 49 litres of water.

49 litres ÷ 1 3/4 litres = 28

help pleaseeee. this is due in an 10 minutes

Answers

Answer:

(you'll have to read the explanation)

Step-by-step explanation:

There are 8 lines from 1 to 2, so plotting 1 1/2 (or 1.5) is right in between. I'm not sure how to add the picture back into the explanation, but I will try my best to explain. You want to plot your point for 1 1/2 4 lines after the 1. For the 2 1/4, you want to plot your point on the second line from the 2. Let me know if it doesn't make sense!

Answer: See the attached image below

1 1/2 is located at the exact midpoint between 1 and 2.

2 1/4 is located 2 tickmarks to the right of 2.

===================================================

Explanation:

Think of 1/2 as 4/8

The number 1 1/2 is the same as 1 4/8

So we start at 1 and move 4 tickmarks to the right to get at the exact midpoint (note there are 8 tickmarked spaces between any two whole numbers).

This places us exactly at the midpoint between 1 and 2.

-----------------

To plot 2 1/4, we will effectively plot 2 2/8 since 1/4 = 2/8

We start at 2 and then move 2 tickmarks to the right to arrive at 2 2/8

The first day of Sam's vacation was a Monday.
What was the day of the week on Sam's 36 day of vacation?

answer options:
Monday
Tuesday
Wednesday
Thursday

for my answer, I got sunday, but it doesn't show it as an answer. i don't know if I did it wrong or not lol

Answers

b is your answer today because it is the right anawer

Answer:

I got Tuesday.

(dont count the weekends)

Select the correct answer.
Which table represents the increasing linear function with the greatest unit rate?
A.
x y
2 16
5 10
B.
x y
2 14
6 12
C.
x y
2 -24
5 -15
D.
x y
2 -12
6 -16
E.
x y
2 -19
6 -17

Answers

Answer:

E

Step-by-step explanation:

Answer:

Option c is the correct answer if the answer is correct plz mark me as brainliest.

please help FAST!!! <3 ILL GIVE BRAINLIEST

Answers

Answer:

Triangle

base 8  

Height 6

Area 48

Rectangle

Length 16

Width 10

Area 160

48+48+160=256

Total Area of the Hexagon

256

the total area is 256

can someone help please (highlighted in blue)

Answers

[tex]\implies {\blue {\boxed {\boxed {\purple {\sf {B)\:10}}}}}}[/tex]

[tex]\large\mathfrak{{\pmb{\underline{\red{Step-by-step\:explanation}}{\red{:}}}}}[/tex]

[tex]4 + 3 \: ( \: 10 - {2}^{3} \: )[/tex]

➺[tex] \: 4 + 3 \: ( \: 10 - 2 \times 2 \times 2 \: )[/tex]

➺[tex] \: 4 + 3 \: ( \: 10 - 8 \: )[/tex]

➺[tex] \: 4 + 3 \: ( \: 2 \: )[/tex]

➺[tex] \: 4 + 6[/tex]

➺[tex] \: 10[/tex]

Note:-

[tex]\sf\pink{PEMDAS\: rule.}[/tex]

P = Parentheses

E = Exponents

M = Multiplication

D = Division

A = Addition

S = Subtraction

[tex]\large\mathfrak{{\pmb{\underline{\orange{Mystique35 }}{\orange{❦}}}}}[/tex]

Answer:

10

Step-by-step explanation:

Use

Parenthesis

Exponents

Multiplication(Left - Right)

Division(Left - Right)

Addition(Left - Right)

Subtraction(Left - Right)

The probability that it will be colder today than it was yesterday is 0.2
The probability that it will not be colder today than it was yesterday is

Answers

Answer:

0.8

Step-by-step explanation:

= 1 - 0.2

= 0.8

that's the answer above

Answer:

0.8

Step-by-step explanation:

(Geometry Question) : Given the points A(-3, -4) and B(2, 0), find the coordinates of the point P on directed line segment AB that partitions AB in the ratio 2:3.

Answers

Answer-7:4


Have a good day
7:4
Mark me Branalist pls

Please Help me with Q3!!

Answers

Try your best work hard
try your best!! work super hard

According to his GPS, it will take Lanny 1 hour to travel 40 miles. Which expression shows how to determine the speed in miles per hour?
40 miles ÷ 1 hour
1 hour ÷ 40 miles
1 mile ÷ 40 hours
40 hours ÷ 1 mile

Answers

Answer:

40 ÷ 1

Step-by-step explanation:

Speed = Distance : Time

Speed = 40 ÷ 1

40miles divided by 1 hour.
Miles goes above hours in the equation

The system of equations has no solution:
True or False?
y = (2/3)x - 5

4x - 6y = 30

Answers

It’s false because, a system of linear equations has one solution when the graphs intersect at a point.
The answer for this question would be false

Rule 1: Multiply by 2, then add one third starting from 1. Rule 2: Add one half, then multiply by 4 starting from 0. What is the fourth ordered pair using the two sequences? (5, 10) (four and two thirds, 42) (21, 170) (two and one third, 2)

Answers

2 is the correct answer 2 is the correct answer
the answer your looking for is 2

surds.... plzz help, matching up, thank you

Answers

1 one to D
2 one to B
3 one to C
4 one to A

Answer:

1 - D

2 - B

3 - C

4 - A

I hope this helped!

Malik and Janae are practicing making free throws at the basketball court.

Malik makes 3 baskets for every 4 shots he takes.

Janae makes 4 baskets for every 5 shots she takes.

Which number accurately completes the table?

Answers

Answer:

12

Step-by-step explanation:

Hope this is correct, if it isn't then feel free to let me know so i can fix my mistake. I'm sorry in advance if it isn't correct.

12

Step-by-step explanation:

I WAS THE FIRST ONE TO SAY IT!

One staple weighs 31 milligrams. If a box of staples holds 250 staples, how many grams of staples does the box hold?
A: 6.75
B: 7.75
C: 67.5
D: 77.5
E: 7,750
If you get this right i will give you the brainliest!

Answers

Answer:

7.75

Step-by-step explanation:

1 mg = 0.001 g

31 mg * 0.001 = 0.31 grams per staple

0.31 g * 250 = 7.75 grams per 250 staples

Answer:

b) 7.75

Step-by-step explanation:

convert 31 milligrams to grams = .031 grams

250 x .031 = 7.75 grams

show all your work please and thank you let me show you an example of showing your work

the second one is an example from my other one I just asked

Answers

Answer:

so we jsut show the work for the first question I'll write in the comment box then

Answer:

700 cubic inches

Step-by-step explanation:

The question asks for how much volume the box can hold. We multiply the length (14), width (10), and height (5) to get the volume. 14 · 10 · 5 = 700.

The box can hold 700 cubic inches.

Find each percent of change. State whether the percent increase or decrease. Please show your work.
A) Original : 55 New : 75
B) Original : 233 New : 200

Answers

A: 36.36%
B: 116.5%

Step by step
The answer is is
A: 36.36%
B: 116.5%

Question on file. Thx in advance

Answers

The answer is 1,320
Expiation: 22x60= 1,320
Since there are 60 min in a hour you must multiply the 22L produced in a minute by 60
The answer is 1,320

What is the volume of the composite figure shown? Use 3.14 for π.

Answers

Answer:

25.12

Step-by-step explanation:

the formula of a cone is pi r^2 * h/3

r = radius and h = height

the radius is 2 and the height is 3

and the question says use 3.14 instead of pi so

we have

3.14 * 2^2 * 6/3

2*2 or 2^2 = 4

3.14 * 4 * 6/3

6/3 = 2

3.14 * 4 * 2

4*2 = 8

and 8 * 3.14 is 25.12

The answer to this question is 25.12

If a Car can drive 35 miles on 7 gallons of gas, how many miles can it travel on 2 gallons of gas (assuming miles per gallon is proportional)? Give and explain your answer.

Answers

Answer:

10 miles

Step-by-step explanation:

35/7 is 5 so therefore if you do 5+5+5+5+5+5+5 is 35

so that means 2 gallons which is 10

10 miles! if you divide 35 by 7 you get 5 so that mean it drives 5 miles per gallon with 2 gallons it will drive 10 miles

pls help i beg i will give brainlist and points

Answers

Answer:

7. 1/10 or 10%

9.5/10

11.5/10

13.9/10

Step-by-step explanation:

10%
50%
50%
90%

I did the math

Help me with the image i sent

Answers

just get the area for all of them and add legth time width

Do area which is base x height x width and add the length
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