the sum of -7x and 4x+2
pls help

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Answer 1
I think it’s 8 sorry if the answer is wrong

Related Questions

I don't know what to pick..

Answers

Answer:x=3

Step-by-step explanation:Multiply both sides of equation by four. Subtract 56 from the left and move to the right. Calculate 80-56. Divide by 8 on both sides x=3

Triangle UVW is dilated by a scale factor of 6 to form triangle U'V'W'. Side W'U'
measures 18. What is the measure of side WU?

Answers

Answer:

WU= 3

Step-by-step explanation:

Know that, W'U'÷ (scale factor) = WU

18÷6 is equal to 3

scale factor= 3

A plant grows at a constant rate. The table shows the heights of the plant for different numbers of days of growth. Which of the following pairs of days and heights could also be included in the table? Select all that apply.

Answers

The answer is an answer that I do not know

in a supermarket, bottles of lemonade are on a buy one get one half price offer.
The normal price of lemonade is 82p.
How much would it cost to get exactly three bottles of lemonade using this offer?
£

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Answer: 114p

Step-by-step explanation:

Hope it helps

Solve for x.

x2 + 4x - 21 = 0

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2x + 4x - 21 = 0
6x - 21 = 0
6x = 21
x=3.5

which number s below belong to the solution set of the inequality check all that apply 4 times less than 112 pls help me

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The values of "s" that belongs to the solution set must be less than 28.5

The inequality that represents the statement 4 times "s" less than 112 is expressed as;

4s < 112

Divide both sides of the inequality expression by 4 as shown:

4s/4 < 114/4

s < 114/4

s < 28.5

Hence the values of "s" that belongs to the solution set must be less than 28.5

Learn more on inequalities here: https://brainly.com/question/12371526

Which is the graph of 2x-4y>6?

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Solving for x :-

2x - 4y > 6

=》x - 2y > 3

=》x > 3 + 2y

Solving for y :-

2x - 4y > 6

=》x - 2y > 3

=》y < x - 3/2

■ See the attachment for the graph. Since you have not shared the graphs..any graph which looks like this in your question is the correct one.

____

Hope it helps ⚜

helppppppppppppppppppp​

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Who knows ?just need points

Answer:

B. a×1

Step-by-step explanation:

This is because a×1 gives a result of a thus,a multiplying the identity element of multiplication

Do you understand Geometry so far? What can help you improve learning Geometry?
Teyt style

Answers

Answer:

My graph. I can practice that can help.

Select the correct answer.

You're trying to determine how much money it would cost to hire a lawn mowing company to cut your grass. Your yard

measures 8,712 square feet. The lawn mowing company charges a base rate of $30, plus $20 for every tenth of an

acre. You determine that it will cost $70 to hire the lawn mowing company. Which sentence best describes this price

estimate?

A. The price should be $50 because you have a 0.1 acre yard.

B. The price should be $50 because you have a 0.2 acre yard.

C. The price should be $90 because you have a 0.3 acre yard.

D.

The price estimate is accurate,

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It’s B because C is too much and A is to little for the correct answer

(-2,-4) reflected across the line y = -1

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(-2, -4) reflected across y=-1 is (-2, 2)

(-3, 5), (-4, 5) what is the slope

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Answer:

0

Step-by-step explanation:

(5-5)/(-4+3) = 0/-1 = 0

I used a calculator


please help me i’m being timed!!!

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Answer:

B

Step-by-step explanation:

The heaviest pig on the farm weighs 100 pounds

A=6,500(1.0175)^4t

How long would the person need to leave their money in the bank until it reaches $20,100? Round the nearest whole number!​

Answers

The time it will take the pereson to leave their money in the bank until it reaches $20,100 is 3 years

Given the exponential equation expressed as:

[tex]A=6500(1.0175)^{4t}\\[/tex]

Given that A = 20100, Substituting into the expression will give;'

20100 = 6500(1.0175)^4t

20100/6500 = (1.0175)^4t

3.0923 =  (1.0175)^4t

Taking the ln of both sides

ln3.0923  = 4tln(1.1075)

4t = ln3.0923 /ln(1.1075)

4t = 1.12891/0.1021

4t = 11.05690

t = 11.05690/4

t = 2.76

t ≈ 3 years

Hence the time it will take the pereson to leave their money in the bank until it reaches $20,100 is 3 years

Learn more on compound interest here: https://brainly.com/question/24274034

can someone help me find the fa tor of (128m^2n^5 - 200m^4n^3)?

Answers

Answer:

[tex]8m^2n^3[/tex], [tex]4n-5m[/tex], and [tex]4n+5m[/tex]

Step-by-step explanation:

[tex]128m^2n^5-200m^4n^3[/tex] <-- Given

[tex]m^2(128n^5-200m^2n^3)[/tex] <-- Factor out m²

[tex]m^2n^3(128n^2-200m^2)[/tex] <-- Factor out n³

[tex]8m^2n^3(16n^2-25m^2)[/tex] <-- Factor out 8

[tex]8m^2n^3(4n-5m)(4n+5m)[/tex] <-- Difference of Squares

Therefore, the factors are [tex]8m^2n^3[/tex], [tex]4n-5m[/tex], and [tex]4n+5m[/tex]

Help me with the whole thing pls

Answers

Answer:

B and 90%

Step-by-step explanation:

4500 = m•5000

m = 0.9 × 100%

90% of the books are fiction

Solve for the variable 2y<14 A) y<12 B) y>-7 C) y>7 D) y<7

Answers

Answer:

D) y < 7

Step-by-step explanation:

So we have 2y < 14:

To solve, we will simply divide by 2 on both sides in order to isolate the y value. Now we have y < 7.

Hope this helps you :)

I need some help with this question, can anyone help me?

Answers

Answer: IM only in midle school i think this is it 7(3e + 5)

Step-by-step explanation: f it is brainliest whe someone answers pls ps you next question ready

To find the surface area, Brad splits the figure into two pieces, the rectangular prism and
the triangular prism.
He finds the total surface area of the rectangular prism by finding the area of each face
to get 1,104 cm
He then finds the total surface area of the triangular prism by finding the area of each
face to get 1,008 cm
Finally, he adds the surface areas together to get 2,112 cm.
Is Brad's solution correct? Why or why not?
Select the option that correctly answers both questions.
No, he did not find the correct total surface area for the triangular prism.
O No, he did not find the correct total surface area for the rectangular prism.
No, he needs to subtract the areas of the faces where the two prisms are
attached
Yes, he correctly found the sum of the surface areas for each prism.

Answers

The surface area of the figure is the amount of area covered by the figure.

The figure is not given, so I will give a general solution.

The method followed by Brad to calculate the surface area of the prism is correct.

However, whether Brad correctly calculates the areas of the rectangular prism and the triangular prism cannot be determined.

So, the conclusion is that:

If Brad's calculation of the surface areas of the prisms is correct, then the surface area of the figure is correct because 1104 + 1008 = 2112.If otherwise, then the solution is incorrect

Read more about surface areas at:

https://brainly.com/question/484723

math
rate of change and show me how u did it:( <3

Answers

Answer:

y = m x + b   equation for a straight line

if x = o then y = 4 from graph

y = 0 + 4            and b = 4

If x = 8 then y = 24 from graph

24 = m * 8 + 4      substituting in our equation

m = 20 / 8 = 2.5      giving slope or rate of change

y = 2.5 x + 4     the final equation with a slope of 2.5

As a check using the graph:

We see that if y = 24 then x = 8

24 = m * 8 + 4      substituting in our equation

m = 20/8 = 2.5 agreeing with the value found

Please help me with this

Answers

Answer:

8 3/42, 34 1/2, 11 1/49 3/4, 16 1/4Y/B = 2/3

Step-by-step explanation:

a)

The first line is simply the sum of the two given numbers.

  3 1/2 +5 1/4 = (3+5) +(2/4+1/4) = 8 3/4

__

To find values on the remaining lines, it is convenient to find the ratios of the numbers involved. The ratio of yellow to blue is ...

  Y/B = (3 1/2)/(5 1/4) = (7/2)/(21/4) = (7/2)(4/21) = 2/3

Then ...

  Y : B : total = 2 : 3 : 5

This tells you the numbers on the second line are ...

  Y = 2; B = 3

__

The value for B on the third line is the basic ratio number multiplied by (6 3/4)/3 = 2 1/4. Then the other two numbers are ...

  Y = 2(2 1/4) = 4 1/2

  total = 5(2 1/4) = 11 1/4

__

The value for Y on the fourth line is the basic ratio number multiplied by (6 1/2)/2 = 3 1/4. Then the other two numbers are ...

  B = 3(3 1/4) = 9 3/4

  total = 5(3 1/4) = 16 1/4

_____

b)

The equation is the one we used to find the values on the second line:

  Y/B = 2/3

Which table of values is defined by the function y = 5x + 4?

Answers

Table A I hope this is right because I did it and it was so hope this helps

A carpet cleaning company charges $55 per hour. Is the relationship a proportional relationship? Explain. Complete the table.A. Yes it has a constant rate change.B. Yes it has a constant rate of change.C. No it does not have a constant rate of change.

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Answer:C

Step-by-step explanation:

Fill in the blank for this graph.

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Answer:

2.22

Step-by-step explanation:

solve by factoring 9x^4-16=0

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X1=1.04195,x2=1.04195

If a = 5, b = 2, c = 4, then 6ab - 2c =

628
52
2
60

Answers

Answer:

52

Step-by-step explanation:

Where you see the letters substitute with the number.

6(5)(2) - 2(4)

60 - 8

=52

Answer: 52 because if you Where you see the letters substitute with the number.

6(5)(2) - 2(4)

60 - 8

=52

like ponitail151 said.

HELP ASAP PLEASE!!
full work shown gets brainliest!!


What is the product of 8 radical 5and 2 radical 30 in simplest radical form?

Answers

Answer:

= 40√6

Step-by-step explanation:

least common multipler of 8,2:8

Ms.yuhas from beloved community charter school is smart and helpful

Answers

Will miss you asked has a beloved community charter school smart and helpful nice just make sure she 6969

Can someone help me with this? Its fairly easy but i genuinely dont remember

Answers

Supplementary angels

is y =6x a linear function

Answers

Answer:

Yes

Step-by-step explanation:

Here is the graph!

Yes.

y = 6x is a linear function because it makes a straight line on the graph. Also, the degree is 1.

____

Hope it helps ⚜

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