Add.
4x^2 - 6x +3
2x^2+7x-8

Add.4x^2 - 6x +32x^2+7x-8

Answers

Answer 1

Answer:

6x^2 + 2x - 5 (Option C)

Step-by-step explanation:

1. First, add 4x^2 and 2x^2 together (which is 6x^2). You can figure this out by adding 4 and 2.

2. Second, add -5x and 7x (which is 2x)

3. Lastly, subtract 3 and 8, which is -5

WHY DOES THE ANSWER HAVE A NEGATIVE 5?

The equation looks like this: +3 + -8

You are adding 3 to -8, which is the same as subtracting positive 3 and positive 8 (positive times a negative is a negative or a minus sign)

Answer 2

Answer:

C. 6x^2 + 2x - 5

Step-by-step explanation:

4x^2 + 2x^2 = 6x^2

-5x + 7x = 2x

3 - 8 = -5

Therefore,

4x^2-5x+3 + 2x^2+7x-8 = 6x^2+2x-5


Related Questions

After seeing this video, another dog owner trained his dog, Lightning, to try to break Tillman’s skateboarding record.
Lightning’s fastest recorded time was on a 75-meter stretch where it took him 15.5 seconds. Based on these data,
did Lightning break Tillman’s record for fastest dog on a skateboard? Explain how you know.

Answers

Answer:

75/15.5 = 4.83870967742 =4.84 meters per second.

This is a faster time than 5 meters per second.

Step-by-step explanation:

A rectangular prism has a length of 9 cm a width of 5 cm and its volume is 180 cubic cm what is the height of the prism

Answers

Answer:

The height is 4cm

Step-by-step explanation:

Multiply 9 x 5 which is 45

Then divide 180 from 45

You get 4

To check your work, multiply 9 x 5 x 4 and you get 180! hopes this helps

Shawn received $5 change from $20 when he bought some binders. How many binders did he buy if each binder costs $3?​

Answers

Answer:

5 binders

Step-by-step explanation:

3 times 5 binders would be 15$, and since he paid with 20$, that is 5 dollars change

As an algbraic equation:

3x+5=20

3x=15

x=5

He would have bought 5 binders. If he got $5 back that would be $20-$5=$15, if each binder cost $3 then 15 divided by 3 equals 5

What is the measure of

Answers

Answer:

Okay buddy the answer is 63 because if you look at all the angles they are suppose to add up to 180 so with the line D and A the angles is 128 so the angle on the other side is 52 so 52 plus65 is 117 so then 180-117 is 63

Step-by-step explanation:

mark me branliest

Explain how to solve (c)/(9)=3. Give the solution in you explanation

Answers

Answer:

c = 27

Step-by-step explanation:

If c divided by 9 equals to 3, then the other way around would be 3 times 9 equals to c, which is how you would get 27. If you look at PEMDAS, multiplication and division are together and work the other way around when used with each other, just like addition and subtraction.

I know this is kind of a lame answer with no fancy math words to back it but please, it's the best I could do.

what is factored form of the expression 16st+15t

Answers

Answer:

t(16s+15)

Step-by-step explanation:

The highest common factor of 16st+15t is t.

t(16s) + t(15)

Factor.

t(16s+15)

Answer:

t ( 16s+15)

Step-by-step explanation:

=> 16st + 15t

Taking t common

=> t ( 16s+15)

Which is a true statement about a 45-45-90 triangle?
O A. Each leg is 3 times as long as the hypotenuse.
O B. Each leg is 12 times as long as the hypotenuse.
O C. The hypotenuse is 3 times as long as either leg.
O D. The hypotenuse is v2 times as long as either leg.

Answers

The answer should be
D. The hypotenuse is v2 times as long as either leg.

The hypotenuse is √2 times as long as either leg of a 45-45-90 triangle

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

if a² + b² = c² , it is a right triangle

if a² + b² < c² , it is an obtuse triangle

if a² + b² > c² , it is an acute triangle

Given data ,

Let the triangle be represented as ΔABC

Now , the measure of ∠ACB = measure of ∠BAC = 45°

And , the measure of ∠ABC = 90°

So , the triangle is a 45-45-90 triangle

Now , the measure of the sides be AB = BC = 1 unit

And , From the Pythagoras Theorem , The hypotenuse² = base² + height²

if a² + b² = c² , it is a right triangle

The measure of side AC ( hypotenuse ) = √ ( AB )² + ( BC )²

The measure of side AC ( hypotenuse ) = √ ( 1 + 1 )

The measure of side AC ( hypotenuse ) = √2 units

Hence , the measure of the hypotenuse of 45-45-90 triangle is √2 units

To learn more about triangles click :

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Margo has 15 pounds of clay, Tim has 10 pounds of clay, Tray has 13 pounds of clay, Lila has 14 pounds of clay, and Jerry has 13 pounds of clay. How can they redistribute the clay so that they all have the same amount? Check all that apply.

Answers

Answer:

13 clay for each person

Step-by-step explanation:

Add all the clay to find the total.

15+10+13+14+13= 65 clay in total

There are 5 people in total.

Divide 65 by 5 to find the distribution for each person.

65÷5= 13

Each person get 13 clay after redistribution.

They redistribute the clay then  Each person gets 13 clay after redistribution.

We have given that,

Margo has 15 pounds of clay, Tim has 10 pounds of clay, Tray has 13 pounds of clay, Lila has 14 pounds of clay, and Jerry has 13 pounds of clay.

What is the total of the clay?

Add all the clay to find the total.

15+10+13+14+13= 65 clay in total

There are 5 people in total.

Divide 65 by 5 to find the distribution for each person.

[tex]65/5= 13[/tex]

Each person gets 13 clay after redistribution.

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QUICK ANSWER PLEASE The left and right page numbers of an open book are two consecutive integers whose sum is 269. Find these page numbers.

Answers

Answer:

134 and 135

Because 269/2 is 134.5, so you know that one is 134 and the other is 135.

The page numbers are 134 and 135

What are integers?

Any positive or negative number without fractions or decimal places is known as an integer, often known as a "round number" or "whole number."

Given:

The left and right page numbers of an open book are two consecutive integers whose sum is 269.

Let two consecutive integers are n, n+1.

Then,

the sum of two consecutive integers is 269.

According to the question,

n + n + 1 = 269

2n + 1 = 269

2n = 268

n = 134

The integers are 134 and 135.

Therefore,  integers are 134 and 135.

To learn more about the integers;

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Please answer correctly !!!! Will mark brainliest !!!!!!!

Answers

Answer:

Think it's 7.

Step-by-step explanation:

Because 5-4=1 so it have to be 7.

7+1=8

Solve the following system:
y=x + 3
2x + y = 9

Answers:
(2,5)
(5,2)
(-2,5)
(2,-5)

Answers

Answer

your anwser would be (2,5)

Step-by-step explanation:

y - x = 3 ...1

2x + y = 9 ...2

...2 - ...1

2x + y -y + x = 9 - 3

3x = 6

x = 2

replace x you will receive y value

What is the value of p in the equation?
4 (8-4p)+20= 12
-20
5
10

Answers

Answer:

2.5

Step-by-step explanation:

I think you're missing a value because none of those work. 2.5 does

4*2.5 = 10

8 - 10 = -2

4 (-2) = -8

-8 + 20 = 12

21. If the area of the plane shape below is
36cm, find its height.​

Answers

Answer:

4 cm

Step-by-step explanation:

The figure is a parallelogram with area (A) calculated as

A = bh ( b is the base and h the perpendicular height )

Here A = 36 and b = 9 , thus

9h = 36 ( divide both sides by 9 )

h = 4 cm

Answer:

Step-by-step explanation:

considering the breadth of the shape as 5cm and length as 9cm...

now... for finding the height of the plane shape...

we need to use the formula for area of a trapezium...

so. area of a trapezium = 1/2 x height x sum of parallel sides

we are given area of trapezium = 36cm^2

SO SUBSTITUTING THE EQUATION...

36 = 1/2 x height x (9+9)

height = 4cm

A triangle has two sides with the lengths 8m and 15 m.
How many possible triangles could you draw if the angle between the two known sides were also given? Explain.

11 points need answer quick

Answers

Answer:

You could only draw one triangle because the other side of the triangle can only be one value. This is because when the angle measure between two sides and the length of the sides is given, the length of the other side is fixed. This is also modeled by the SAS principle of congruence.

Answer:

Step-by-step explanation:

You can draw 2 triangles

Solve the equation, –(x∕4) = 5, for x. Which of the following properties of equality did you apply? Question 7 options: A) Multiplication B) Multiplication and subtraction C) Division and addition D) Division

Answers

Answer:

A) Multiplication

The solution of given equation  x= -20

Step-by-step explanation:

Step(i):-

Given equation  - ( x /4) = 5

Multiply '-1' on both sides, we get

                     ⇒    - ( (- x /4) ) = - 5

                     ⇒    [tex]\frac{x}{4} = -5[/tex]

Step(ii):-

Multiply '4' on both sides, we get  

                     ⇒    [tex]\frac{x}{4} X 4= -5 X 4[/tex]

Cancellation '4' on left side , we get

                          x = -20

Conclusion:-

The solution of given equation  x= -20

Answer:

A

Step-by-step explanation:

Q26:
Ava is making necklaces out of beads.

​Ava bought 40
packages that each contain 100
beads.
​Each necklace requires exactly 60
beads.

​How many complete necklaces can Ava make?

Answers

Answer:

66 necklaces

Step-by-step explanation:

First determine how many beads Ava has

40 * 100 = 4000

Then divide by the number of beads per necklace

4000/60 =66.66666

Round down for complete necklaces

66 necklaces

Well you have to know that you have to divide so 4000 divided by 60 would equal to 66.6666666 but the whole number is 66

There is a group of $5$ children, where two of the children are twins. How many ways can I distribute $6$ identical pieces of candy to the children, if the twins must get an equal amount of candy?

Answers

Answer:

50

Step-by-step explanation:

Suppose that the kids get $x_1,x_2,x_3,x_4,x_4$ pieces of candy, respectively (each twin received $x_4$ pieces). Then we seek all quadruples $(x_1,x_2,x_3,x_4)$ satisfying

\[x_1+x_2+x_3+2x_4 = 6.\]We proceed by casework, based on the number of candies the twins receive.

If $x_4 = 0$, then there are 6 candies to distribute to 3 kids. This is like arranging 6 C's and 2 |'s (dividers), so there are $\binom{8}{2} = 28$ possible distributions.

If $x_4 = 1$, there are 4 candies remaining for the other 3 kids, so there are $\binom{6}{2} = 15$ possible distributions.

If $x_4 = 2$, there are 2 candies remaining, so there are $\binom{4}{2} = 6$ possible distributions.

If $x_4 = 3$, there are 0 candies remaining, for 1 possible distribution.

Adding all of these results from the separate cases, there are a total of

\[28 + 15 + 6 + 1 = \boxed{50}\].

PLEASE HELP ME THIS IS URGENT I AM BEING TIMED!

Brandon entered a contest for free math materials. A total of 758 people each put in one entry, and there will be only one winner. What is the probability of Brandon winning the contest? Write your answer as a fraction. Represent a fraction using the / symbol.
Example: 1/2

Answers

Answer:

1/758

Step-by-step explanation:

Part/whole

Answer:

1/758

Step-by-step explanation:

hope that helps

The equation y = 5 represents the graph of a line perpendicular to the y-axis and passing through the point (1,5).
a) True
b) False

Answers

Answer:

False

Step-by-step explanation:

A perpendicular line parallel to the y- axis has equation

x = c

where c is the value of the x- coordinates the line passes through.

The line passes through (1, 5) with x- coordinate 1, thus

x = 1 ← equation of perpendicular line

Answer:

B. False

Step-by-step explanation:

I hope this helps!

Short version of the answer.

if the nth term of a sequence is
45 -9n what is the 8th term?​

Answers

Answer:

- 27

Step-by-step explanation:

To find the 8 th term substitute n = 8 into the formula, that is

a₈ = 45 - 9(8) = 45 - 72 = - 27

Find the slope and reduce.
P=(-2, 3) Q=(8,3)
Slope = [?]

Answers

There is no slope. It is undefined. If there had to be it might be 0x

Do this by doing the slope formula

y2-y1/x2-x1

3-3/8+2

0/10

There is no slope. It is undefined

Ten less the quotient If number and 3 is 6

Answers

Answer:

Quotient of a number and 3 = x/3

Ten less the quotient of a number and 3 will equal 6

So...

10 - x/3 = 6

    + x/3      +x/3

10 = x/3 +6

-6              - 6

3 × 4=(x/3) × 3

12 = x

Answer:

The number is 48

Step-by-step explanation:

The number be x

Quotient of the number and 3 : x/3

Ten less the quotient of the number and x :  x/3 -10

[tex]\frac{x}{3}-10=6\\\\\frac{x}{3}=6+10\\\\\frac{x}{3}=16\\\\x=16*3\\\\x=48[/tex]

Two bottles of water and three small bags of fruit cost a total of £2.55. If a bottle of water costs 15p more than a bag of fruit, what is the cost of a bag of fruit?

Answers

Answer:

The cost of a bag of fruit is 45p

Step-by-step explanation:

Let w be the number of water bottles.

Let f be the number of bags of fruits.

"Two bottles of water and three small bags of fruit cost a total of £2.55"

2w + 3f = 2.55

"a bottle of water costs 15p more than a bag of fruit"

w = 0.15 + f

Substitute the second formula to the first and solve.

2w + 3f = 2.55

2(0.15 + f) + 3f = 2.55

0.3 + 2f + 3f = 2.55

0.3 + 5f = 2.55

5f = 2.55 - 0.30

5f = 2.25

f = 2.25 ÷ 5

f = 0.45

Substitute to the second formula again and solve for w.

w = 0.15 + 0.45

w = 0.6

Now verify:

2w + 3f = 2.55

2(0.6) + 3(0.45) = 2.55

1.2 + 1.35 = 2.55

2.55 = 2.55 (Correct)

Shiva brought $37.00 to the art supply store. She bought a brush, a sketchbook, and a paint set. The brush was 1 3 as much as the sketchbook, and the sketchbook cost 1 2 the cost of the paint set. Shiva had $2.00 left over after buying these items. What was the cost of each item?

Answers

Answer:

b= 3.5

s= 10.5

p=21

Step-by-step explanation:

b for brush

s for sketch book

p for paint set

b=1/3s

s= 1/2 p

b+s+p=37-2

1/3 s +s+2 s =35

1/3 s +s +2 s =35

10/3 s=35

s= 35*3/10

s= 10.5

b=1/3 s = 10.5/3 = 3.5

s= 1/2 p so p= 2s = 2( 10.5) = 21

10.5+3.5 + 21 = 35

Alice invests $15,000 at age 30 from the signing bonus of her new job. She hopes the investment will be worth $30,000 when she turns 40. If the interest compounds continuously, approximately what rate of growth will she need to achieve her goal? Round to the nearest tenth of a percent.

Answers

Answer:

6.9

Step-by-step explanation:

You and some friends have $30. You want to order large
pizzas (p) that are $9 eachand drinks (d) that cost $1 each.
Write and graph an inequality that shows how many pizzas
and drinks can you order.?

Answers

You can buy 3 pizzas and 3 drinks

What is the slope of a line parallel to the line whose equation is 4x – 2y = 7?

Answers

Answer:

Use the slope-intercept form  

y = m x + b

to find the slope  m  and y-intercept  b .

Slope:  

2

y-intercept:  

− 7 2

Lines with the same slope are parallel.

parallel = 2

Answer:2

First, solve for y

-2y=7-4x

Y=2x-7/2

y=mx+b

What we really want to know is the slope(m)

3(x+5)=2(3x-2) Help please! will mark brainliest!

Answers

Answer:

x=19/3

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

3(x+5)=2(3x−2)

3x+15=6x+−4

3x+15=6x−4

Step 2: Subtract 6x from both sides.

3x+15−6x=6x−4−6x

−3x+15=−4

Step 3: Subtract 15 from both sides.

−3x+15−15=−4−15

−3x=−19

Step 4: Divide both sides by -3.

−3x

−3

=−19−3

x=19/3

20 cm
8 cm
8 cm
20 cm
15 cm
Find the area of the arrow above.
[? ] square centimeters Irregular figures please help explain answer​

Answers

Answer:

Step-by-step explanation:

Area of the base = l x w

= 20 x 18 = 360 cm^2

Area of the triangle = hb/2

(31 x 20)/2 = 620/2 = 310 cm^2

Area of the arrow = 360 + 310

= 670 cm^2

Answer:

610 squared centimeters

Step-by-step explanation:

1.
Look at the number line shown below.
32
Which word problems or inequalities could have a solution represented by the
number line?
Select all that apply.
A. Christopher has read for more than 32 minutes.
B. Christopher has read for less than 32 minutes.
C. Christopher has read for 32 minutes.
D. x < 32
E. x > 32
F. X = 32

Answers

Answer:

A -> E

B -> D

C -> F

Step-by-step explanation:

In all cases, we represent minutes that Christopher has read with variable x

Christopher has read for more than 32 minutes  corresponds with the inequality: x > 32 ."More than" is equivalent to "greater than", which is symbolized by ">".

Christopher has read for less than 32 minutes, corresponds with the inequality: x < 32 . "Less than" symbolized by "<".

Christopher has read for 32 minutes corresponds with the equality: X = 32. Here the amount of time is fixed, so it agrees with an equality instead of an inequality.

Answer: ABDE

Step-by-step explanation:

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