Mathematics Middle School

Combine like terms to simplify the expression.

5n+6+(−7n)

Answers

Answer 1

Answer: -2n + 6

Step-by-step explanation:

So the equation is 5n + 6 + (-7n). You then simplify the equation which gives you 5n + 6 - 7n. Lastly, you combine the like terms, 5n and -7n, which is -2n. Then you plug it in with 6 and it's 6 - 2n. But because of the standard form, the final answer is  -2n + 6.

Answer 2

Answer:

[tex] \sf \: -2n + 6 [/tex]

Step-by-step explanation:

Now we have to,

→ Simplify the given expression.

The expression is,

→ 5n + 6 + (-7n)

Let's simplify the expression,

→ 5n + 6 + (-7n)

→ 5n + 6 - 7n

→ (5n - 7n) + 6

→ (-2n) + 6

→ -2n + 6

Hence, the answer is -2n + 6.

Related Questions

The cost in dollars, of a three-day car rental can be determined by the expression 70 + 0.30m , where m is the number of miles driven. Use this expression to find the cost of a rental car driven 150 miles.

Answers

Answer:

Step-by-step explanation:

m is given = 150

Now, expression, 70+(0.3*150)

= 70+45

= $115

∴ Hope this helped. Pls mark me the BRAINLIEST!

Answer:

$115

Step-by-step explanation:

70 + .3 times 40

please help me with this ASAP!!

Answers

Answer:

x = 19

z = 105

Step-by-step explanation:

z + 75 = 180

z = 105

6x - 39 = 75

6x = 114

x = 19

Answer:

x = 19

z = 105

Step-by-step explanation:

Because these are two intersecting lines, the two opposite angles are equal:

6x - 39 = 75

Solving this equation gives you x:

6x = 114

x = 19

In order to solve for z, we must remember that two angles on a straight line are supplementary angles meaning that, if added together, they equal 180°. In this case:

75 + z = 180

Solving this equation gives you z:

z = 105

Which of the following fractions is equivalent to 10/12 ?
a. 40/48
b. 20/30
c. 4/5
d. 12/14

Answers

Answer:

a. 40/48

Step-by-step explanation:

40/48 = 20/24 = 10/12

a. 40/48

Answer: a. 40/48

Hope this helps!

1/3, 0.3, 33%, 8/25, 33.6%

ur supposed to order them least to greatest

Answers

Answer: 0.3, 8/25, 33%, 1/3, 33.6%

Step-by-step explanation:

Just convert all to decimals and then order.

convert all of them to a decimal. You will end up with 0.33, 0.3, 33, 0.25, and 33.6. Then put them from least to greatest. Your answer will be, 0.25, 0.3, 0.33, 33, 33.6

Please Help!!!!!!!

Due at 12:00 pm!!

Answers

C, 70%
mark me brainliest
The answer would be 70% :)

Please answer the question!!!

Answers

The value of X is equal to 30

Answer:

Step-by-step explanation:

4x-16+2x+16=180

6x=180

x=30

how does factoring relate to determining whether expressions are equivalent?

Answers

Answer:

Two expressions are equivalent if they can be simplified to the same third expression or if one of the expressions can be written like the other. In addition, you can also determine if two expressions are equivalent when values are substituted in for the variable and both arrive at the same answer.

The distance from the top of the cone to the edge is 15 feet. The height of the cone is 6 feet. What is the radius of the cone? Round to the nearest tenth.

Answers

Answer:

13.7 feet

Step-by-step explanation:

[tex]c^{2} -a^{2} =b^{2}[/tex]

Amine earned $261 last week. If she worked 18 hours and earned the same amount each hour, how much does she pay per hour?

mr. Farley. Use 4 pounds of hamburger to make 10 hamburger patties of the same size how many pounds of hamburger did he use per patty?


Add a toy store, Colton can buy a package of six mini footballs for $7.50, or a package of eight mini footballs for $9.60 which option has the lesser price per mini football

At a local grocery store, a 12 ounce bottle of stay clean shampoo cost eight dollars and 88 ounce bottle of the same shampoo cost six dollars which size bottle has the lesser cost per ounce?


Please answer all of them please please please

Answers

Answer:

14.5

Step-by-step explanation:

261/18

what's 2+2 i dont knoe because my mommy said im not smart :( and im in 7th grade)

Answers

The answer is 4

Thanks for the points.

Answer:

You are smart dont let others tell you otherwise

Step-by-step explanation:

The answer to 2+2 has not been solved by the smartest scientists of our era, not even Einstein could be successful so don't worry ;D

The answer will revolutionize our understanding of this universe and even god.

can someone explain this 2 me? Thanks! have a good day.

Answers

Answer:

1. Can be side lengths

2. Can be side lengths

3. Cannot be side lengths

4. Can be side lengths

Step-by-step explanation:

It can be side lengths when the largest side is equal to the sum of the two other side

The sides of a square field are 12 meters. A sprinkler in the center of the field sprays a circular area with a diameter that corresponds to a side of the field. How far does the sprinkler travel in 2 revolutions? How much of the field is not reached by the sprinkler? Round your answer to the nearest hundredth.

Please help me

Answers

Answer:Calcular el área del cuadrado a partir del perímetro es muy sencillo, porque recordemos que el perímetro es la suma de todos los lados. Por lo tanto, dado que el cuadrado tiene 4 lados iguales, solo tenemos que dividir la medida del perímetro por 4 para conocer la medida de uno de los lados. Supongamos que tenemos un cuadrado de 20 cm de perímetro:

Step-by-step explanation:

help please, I don't understand this

Answers

Answer:

Step-by-step explanation: there multiple formulas that you use for these types of problems. for this problem im pretty sure you would use 1/3 times pi times hight times length

HELP ASAP Offering brainliest and 20 B points!!!

Theresa created a piece of art by attaching a square plank to a triangular plank. The square plank has a perimeter of 48 inches. The triangular plank has a base length of 12 inches and a height of 6 inches. She wants to cover the piece of art with colored paper.

How many square inches of paper are needed to cover Theresa's art piece?

Answers

Answer: 180 sq in^2

Step-by-step explanation: To figure out the area of the square, we can determine what the side lengths are. For the perimeter of the square to be 48, we would have to add 12 four times, so, 12 x 12 is 144. To find the area of a triangle, you use the formula b x h / 2. The base and height are given already, so we can plug in the values and solve below:

12 x 6 / 2 = 36.

Now, we can add 36 and 144 to get our answer of 180 sq in^2.

Have a great day! :)

12 inches because it’s triangular plant

Please answer now it's needed! A park has two circular fountains. The larger fountain has a diameter of 10 feet and a circumference of approximately 31.4. The smaller fountain has a radius of 2.5 feet and a circumference of about 1.7 feet. Which ratio correctly represents π ?

Answers

Answer:

3.14

Step-by-step explanation:

The circumference of the larger fountain is given as 31.4 feet, which means the radius is (31.4 / 2π) feet. The diameter is 10 feet, so the radius is (10 / 2) feet = 5 feet. We can use these two values of the radius to find the ratio of the circumference to the diameter, which is equal to π.

So, π = 31.4 / (2 * 5) = 31.4 / 10 = 3.14.

The circumference of the smaller fountain is given as 1.7 feet, which means the radius is (1.7 / 2π) feet. We know the radius is 2.5 feet, so we can use these two values of the radius to find the ratio of the circumference to the diameter, which is equal to π.

So, π = 1.7 / (2 * 2.5) = 1.7 / 5 = 0.34.

Since π has to be the same value in both cases, we can see that the correct ratio of π is 3.14.

Wkiaiaososoododm jdjejwmw sued e wud w euejene eeiejne

a weather researcher compared average monthly temperature data for Buenos Aires,Argentina , and Rio de Janeiro, Brazil. based on these data, which statements are true?

Answers

Answer:

Step-by-step explanation:

it is C because mean is what number is recorded the most, so rio de janeiro  has a higher average but lower range.

quick please
asap
as soon as possible
thank you so much

SHOW 2 DIFFERENT WAYS TO FACTOR

-5.5x + 0.5 - 3.5y

Answers

Grouping:
(5.5x - 3.5y) + (0.5 - 3.5)
= (5.5x - 3.5y + 0.5) - 3.5
= (5.5x + 0.5) - 3.5y

Difference of squares:
(2.5x - 3.5y) + (3x + 3.5y)
= (2.5x + 3x) - (3.5y - 3.5y)
= 5.5x - 0.5

can someone help me Asap plss

Answers

Answer:6 7 3 4 6 8

Step-by-step explanation:

What is the total surface area of the rectangular prism?

Answers

Answer:40+120+96=256

Step-by-step explanation:sa=2lw+2lh+2wh

5*4*2=40

12*5*2=120

12*4*2=96

Which expression is equivalent to the expression below? -4 (y - 5)

Answers

Answer: -4y+20

Step-by-step explanation:

-4y+20 this is the answer to your question

2million x 3,000 (FOR FUN )

Answers

Answer: 6,000,000,000 is your answer lol.

Answer:

The answer can be expressed as

[tex]6000000000[/tex]  or  [tex]6*10^9[/tex]

Step-by-step explanation:

Just for fun!

[tex]2000000*3000=6000000000[/tex]

We can convert to scientific notation.

[tex]6*10^9[/tex]

evaluate the expression,

12 (3x + y + 2)

Answers

Distribute 12 to all the terms inside the parentheses.

You'd get: 36x + 12y + 24
36x+12y+26 is the answer

What is the area of a rectangle with a length of Four and two-fourths meters and a width of Seven and five-sixths meters? 50 POINTS
Thirty-five and six twenty-fourths m2
Twenty-eight and ten twenty-fourths m2
Twenty-eight and seven-tenths m2
Twenty-two and ten-twelfths m2

Answers

Answer: ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

Answer:

balls balls

Step-by-step explanation:

the is balls balls 69

100 POINTS EASY MATH
What is the area of a rectangle with a length of 14.4 inches and a width that is one-third of the length?

43.2 in.2
51.84 in.2
69.12 in.2
103.68 in.2

Answers

Answer:

  (c)  69.12 in²

Step-by-step explanation:

You want the area of a rectangle that is 14.4 inches long and has a width 1/3 of its length.

Area

The formula for the area of a rectangle is ...

  A = LW

  A = (14.4 in)(1/3×14.4 in) = 69.12 in²

The area of the rectangle is 69.12 in².

I’m pretty sure it’s 69.12

Correct me if I’m wrong

Please Help!!!!!!!!!!!!
Due Until 12:00 pm

Answers

Answer:

answer

Step-by-step explanation:

25% of 1200 is 300 and 5% of 1200 is 60 so 300-60=240

Answer is 240

25% of 1200 is 300

5% of 1200 is 60

300-60=240

Please help me and show work please.

Answers

Answer:

Radius = 4 km on multiply 4 by 2= 8 kilometers square

for diameter

Can i have a explaination for this

Answers

Answer:

B

Step-by-step explanation:

The equation for graphing is simply known as y=mx+b

where m = slope and b = Y-Intercept

considering that 1 = Y-Int, you can already put a point on (0,1)

Now, we have the slope of 1/2. When dealing with a fraction slope, we know it as rise/run

The numerator (1) is our rise, so from our previous point, we rise up one time where we're now left with (0,2)

And with two being our run, we take it and run it through the x-axis with our new point (0,2)

After that, we should be left with (2,2)

Therefore, (2,2) is equivalent to answer B with the given equation

construct a triangle with angle measures of 15• 15• and 150•

Answers

alr so the triangle has to be an issocate triangle were 2 angels are the same

Find the length of the third side. If necessary, round to the nearest tenth.

Answers

Answer:

11.6

Step-by-step explanation:

let x = length of the 3rd side

16² = 11² + x²        16 is the hypotenuse of a right triangle

x² = 16² - 11²

x² = 256 - 121 = 135

√x² = x = √135 = 11.6

Answer:

The length of the third side is 11.6

Max says that the product of 3/2 x 3/8 is less than 3/8. Is Max correct? Explain.

Answers

[tex]\frac{3}{2} *\frac{3}{8} < \frac{3}{8}[/tex]

We must simplify the left side in order to determine if this inequality is balanced

To multiply fractions, multiply across, top and bottom.  

Don't get common denominators, that is for adding and subtracting

[tex]\frac{9}{16 } < \frac{3}{8} \\\\[/tex]

Get common denominators to determine.  Multiply the second one by 2/2

[tex]\frac{9}{16} < \frac{6}{16}[/tex]

The numerator on the second one is smaller, and they have the same same denominators, therefore, this is false.

9/16 > 6/16

False, max is not correct.

Hope this helps,

Jeron  :)

Max is wrong.

3/2 x 3/8

Multiply the numerators and denominators.

9/16

The other fraction is 3/8. This is equal to because 6/16 I multiplied the numerator and denominator with 2.

9/16 is greater than 6/16 because 9 is greater than 6.

Max is incorrect
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