AWNSER THIS FOR 20 POINTS!
Simplify each polynomial by adding or subtracting. There should be no like terms in your final expression.

a. (8x² + 2x - 5) + (-5x² + x + 3) = ?

b. (2x² - 3x + 1) - (x³ + 2x² - 4) = ?

Answers

Answer 1

Answer:

a) (8x² + 2x - 5) + (-5x² + x + 3)= 3x²+3x-2

b) (2x² - 3x + 1) - (x³ + 2x² - 4)= -x³-3x+5

Step-by-step explanation:


Related Questions

one last one for day

Answers

Answer:

The ball will land after 5.14s.

A square has a triangular hole in it. What is the area of the figure? 100 in2 92.5 in2 85 in2 70 in2

Answers

Answer:

how big is the hole ?

Step-by-step explanation:

i think the answer is B tho

pls give brainliest

Answer:

?

Step-by-step explanation:

pls help and explain I will mark you brainliest btw. :)​

Answers

Step-by-step explanation:

count the number of full boxes

count yhe number of the unfull boxes

then add them together

divide the answer by two

i need help please provide with the correct answer. it is due at 11:59 pm

Answers

I think the answer is d

Look at this triangle.
B
11 cm
4 cm
Work out length AC.
(my teacher told me to start out with c first, c= an something like that I don’t remember)

Answers

Step-by-step explanation:

<c =90 °

So, Pythagoras theorem can be used,

Hypotenuse ² = base ² + altitude ²

AB²=AC²+BC²

11²=AC²+4²

11²-4²=AC²

121-16=AC²

Root 105=AC

AC=10.2 cm

The length of AC is 10.25 cm

What is pythagorean theorem ?

If ΔABC is a right angle triangle, then

AB² = BC²+AC²

where AB = Hypotenuse, BC & AC are adjacent sides of the right angle

What is the required length of the side ?

Given, hypotenuse = AB = 11 cm

One of adjacent sides = BC = 4 cm

We have to find the length of AC.

Using pythagorean theorem,

AB² = BC²+AC²

⇒ AC² = AB² - BC²

⇒ AC² = 11²-4²

⇒ AC² = 121-16

⇒ AC = √105

⇒ AC = 10.25

So the length of AC = 10.25 cm

Learn more about pythagorean theorem here :

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PLEASE HELP ILL MARK BRAINLIEST

Answers

it would be closer to 1 because the target is -2- wide meaning the probality of hitting it is higher

Please help


1. Rafael stands 55 feet from the tower and uses a clinometer to measure the angle of elevation to the

viewing platform as 37º. How far up the tower is the viewing platform?

Answers

Answer:

41.4feet

Step-by-step explanation:

Using the SOH CAH TOA identity

Given the following

Distance of Rafael from the tower = 55feet = Adjacent

Angle of elevation = 37degrees

Required

Height of the tower = Opposite

Since Tan theta = opp/adj

Tan 37 = x/55

x = 55tan37

x = 55(0.7536)

x = 41.4

Hence the tower is 41.4feet up the viewing platform

Please help me!
[One Step Inequalities]

Answers

Answer:

C

Step-by-step explanation:

Divide each side by 5

What is the percent decrease from 95 to 19?

Answers

Answer:

-80 percent

Step-by-step explanation:

Answer:

80%

Step-by-step explanation:

19/95=0.20

100%-20%=80%

80%*95=76

95-76=19

Is this right please help me Is this right please help me

Answers

Yes you are correct

what is 20 precent of 25​

Answers

Answer:

20 percent *25 = x( 20:100)*25 = x( 20*25):100 = x500:100 = x

5 = x

hence , 20 percent of 25 is 5 .

If the original square is 3 in by 7 in, but then you enlarge the square to 6 in by 14 in, what percent of the smaller original square's area is the larger square's area?

Answers

Answer:

Step-by-step explanation:

100(14(6))/(3(7))

100(84/21)

100(4)

400%

pls help asap thx alot​

Answers

Answer:

35

Step-by-step explanation:

A triangle has a total of 180 degrees. To find the missing angle, we subtract 113 and 32 from 180 to get the answer.

Answer:

h = 35

Step-by-step explanation:

113 + 32 + h = 180

113 + 32 = 145

180 - 145 = 35

so

h = 35

remember me? Imao

A truck traveled 144 miles on 12 gallons of diesel fuel. At
this rate how much fuel will the truck use to go 720 miles?

Answers

Answer:

60 gallons

Step-by-step explanation:

144/12 = 12 mi/gal

720/12 = 60

Answer: 60 gallons of diesel fuel

Steps:
720/144 = 5
5 * 12 = 60
60 gallons for 720 miles

Please help if possible!!

Answers

Answer:

I think 12 is B yh I hope so

Answer:

11. a

Step-by-step explanation:

-2x + 5( 3 + 2x )

-2x + 15 + 10x

8x + 15

Order these angels from least to greatest
13 and 14

Answers

13. angle N, angle R, angle Q

14. angle G, angle H, angle J

Explanation: The shortest side is always across from the smallest angle and the longest side is always across from the largest angle. For instance, since RQ is the shortest side, angles N is the smallest angle, and since NR is the longest side, angle Q is the longest angle. Because of this, the order of angles from least to greatest is angle N, angle R, and angle Q.

The solution is

a) Angle N < Angle R < Angle Q

b) Angle G < Angle H < Angle J

What is a Triangle?

A triangle is a plane figure or polygon with three sides and three angles.

A Triangle has three vertices and the sum of the interior angles add up to 180°

Let the Triangle be ΔABC , such that

∠A + ∠B + ∠C = 180°

The area of the triangle = ( 1/2 ) x Length x Base

For a right angle triangle

From the Pythagoras Theorem , The hypotenuse² = base² + height²

Given data ,

a)

Let the first triangle be ΔNQR

QR = 17 m

NQ = 21 m

NR = 24 m

Now , the angle opposite to the side having the largest length will be the largest angle

And , the angle opposite to the side having the smallest length will be the smallest angle

So , substituting the values in the equation , we get

Angle opposite to QR = Angle N

Angle N is the smallest angle in ΔNQR

And , Angle opposite to NR = Angle Q

Angle Q is the largest angle in ΔNQR

Therefore , Angle N < Angle R < Angle Q

b)

Let the second triangle be ΔGHJ

HJ = 6 in

GJ = 7 in

GH = 10 in

Now , the angle opposite to the side having the largest length will be the largest angle

And , the angle opposite to the side having the smallest length will be the smallest angle

So , substituting the values in the equation , we get

Angle opposite to HJ = Angle G

Angle G is the smallest angle

Angle opposite to GH = Angle J

Angle J is the largest angle

Therefore , Angle G < Angle H < Angle J

Hence , the angles are in the order

a) Angle N < Angle R < Angle Q

b) Angle G < Angle H < Angle J

To learn more about triangles click :

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PLEASE HELP AND SHOW YOUR WORK I WILL MARK YOU BRAINLIESt

Answers

Step-by-step explanation:

if 9 boxes is 42.75 then 1 box is 4.75 dollars

so 13 boxes would be 13X3.75 which is 61.75$

if 9b=$42.75

1b=x

9bx=$42.75b

x=$42.75b÷9b

x=$4.75

In ratio a:b, the first term a is called
O antecedent
O extreme
O consequent
mean

Pls someone help me

Answers

It is called the antecedent

PLS HELP ME PLSSSSSSS

Answers

Answer:

3/10

Step-by-step explanation:

Brainliest is much appriciated

Answer:

3/10    i believe, if it is right

Step-by-step explanation:

letter=number
14.6=e-3.2

Answers

Answer: e = 17.8

Step-by-step explanation: 14.6 + 3.2

The answer is e = 17.8. Hope this helps!

If £2000 is placed into a bank account that pays 3% compound interest per yea
how much will be in the account after 2 years?​

Answers

Answer:

$2120

Step-by-step explanation:

method:

3% x $2000 = 60

100%

$60 per year = $120 per year

Ans: $2120 will be in the account

answer, please. I need help.

Answers

Answer:

Step-by-step explanation:

[tex]\text{rule }(x^a)(x^b)=x^{(a+b)}\\ \\ (b^{-7})(b^3)=b^{(-7+3)}\\ \\ b^{-4}=\frac{1}{b^4}[/tex]

Answer:

1/ b^4

Step-by-step explanation:

because -7 +3 = -4 but it can only be positive. So you but the -4 to the bottom to become b^4

The perimeter of a square is 64mm. Write and solve an equation to determine the length of each side of the square.

Answers

Answer:

8mm

Step-by-step explanation:

I need help ASAP plsss

Answers

Answer:

dude that's easy 1,36 2,18 3,12 ,4,9 6,6

Step-by-step explanation:

Answer:

A., B., E., F., G.

Step-by-step explanation:

Hope this helped! Have a nice day!

Nicholas spent 40% of his savings to pay for a video game that cost him $40. How much money was in his savings to begin with?

Answers

Answer:

nah and yall kids stop looking on here to cheat ronnie wilson

Step-by-step explanation:

Which of these is a point- slope equation of the line that is perpendicular to y - 25 = 2(x - 10) and passes through (-3,7)

Answers

Answer:

2y=-x+11

Step-by-step explanation:

use the formation that m1m2=-1of which y=mx+cm1=2,m2=-1/2solve by using m2on the line passing through -3,7which it will 2y=-x+11

Jennifer is rewriting a polynomial by combining like terms. Which terms does she need to combine to finish rewriting the polynomial?

Answers

Answer:

B and D

I hope it helps.

Answer: -7c^2d^2

C^2d^2

Step-by-step explanation:

Simplify 4х+ 2-
+8-12
О
3х - 2
3х + 4
о
5х – 4
5х + 4


Can someone please help!!! I really need the answer

Answers

Answer:

3x - 2

Step-by-step explanation:

[tex]4x + 2 - \frac{ {x}^{2} + x - 12}{x - 3} \\ \\ = 4x + 2 - \frac{ {x}^{2} + 4x - 3x- 12}{x - 3} \\ \\ = 4x + 2 - \frac{ {x}(x + 4) - 3(x + 4)}{x - 3} \\ \\ = 4x + 2 - \frac{ (x + 4) \cancel{(x- 3)}}{\cancel{(x- 3)}} \\ \\ = 4x + 2 - (x + 4) \\ \\ = 4x + 2 - x - 4 \\ \\ = 4x - x + 2 - 4 \\ \\ = 3x - 2[/tex]

Which of the ratios below is equivalent to 8:5?

Answers

Answer:

Nobody can answer this question if you don't tell us what are the ratios that are 'below'. We have no answers to choose from...

Simplify the following : x^2y^-3 / x^5y^2​

Answers

Answer:

Step-by-step explanation:

[tex]\frac{a^{m}}{a^{n}}=a^{m-n}\\\\a^{-m}=\frac{1}{a^{m}}\\\\\\\frac{x^{2}y^{-3}}{x^{5}y^{2}}=x^{(2-5)}*y^{(-3-2)}\\\\ = x^{-3}*y^{-5}\\\\=\frac{1}{x^{3}y^{5}}[/tex]

Remember that exponents (or powers) of the same basis can be divided by subtracting the exponents. For example [tex]\frac{x^n}{x^m} =x^{n-m}[/tex]

Using this information, we can easily rearrange our equation to look like this:

[tex]\frac{x^2}{x^5} \frac{y^{-3}}{y^2}[/tex]

Now that the basis are the same, we can conveniently subtract the exponents to get the following result:

[tex]x^{-3}y^{-5}[/tex] or [tex]\frac{1}{x^3y^5}[/tex]. And that's the final answer.

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