Mathematics High School

Question 3
Simplify by combining like terms.

3x + 4y − 2y + 7x
Question 3 options:

4x + 6y


10x + 2y


10x + 6y


2y + 4x

Answers

Answer 1

Answer:

10x +2y

Step-by-step explanation:

Good luck :) I hope you found this helpful!

Answer 2

Answer:

10x + 2y

Step-by-step explanation:

(3x + 7x) + (4y - 2y)

10x + 2y

Related Questions

How do these U.S. customary units of liquid volume compare? Drag and drop the volume measures so they are in order from smallest to largest.

cup
pint
quart

Answers

Answer:

it should go cup pint quart.

Megan buys 3 bracelets and 3 necklaces. Each bracelet costs $3. Megan pays the cashier $40 and gets $4 in change. Which equation could be used to find the cost, n, of one necklace?

Answers

Answer:

8.3

Step-by-step explanation:

40-4=36

3x3=9

36-9=25

25/3 = 8.3

x=7

Step-by-step explanation:

I really need help please

Answers

Answer:

b= 64 m

Step-by-step explanation:

[tex]b^{2}[/tex] + [tex]48^{2}[/tex] = [tex]80^{2}[/tex]

[tex]b^{2}[/tex] = [tex]80^{2}[/tex] - [tex]48^{2}[/tex]

[tex]b[/tex] = [tex]\sqrt{80^{2}-48^{2} }[/tex]

 = [tex]64[/tex] m

Answer:

is it math

Step-by-step explanation:

omg I really really really hate math

Help until 10:15! consider the expression 40 + 24. find the greatest common factor of the two numbers, and rewrite the expression using the distributive property.

Answers

Answer:

8(5+3)

hope this helps

x^2+3=7x
Quadratic Formula

Answers

Answer:

=

7

±

3

7

√

2

Step-by-step explanation:

Answer:

=7±√37/2

Step-by-step explanation:

PLEASE HELP ME ANSWER THIS PLEASE PLEASE PLEASE

Answers

Answer:

see explanation

Step-by-step explanation:

(a)

The turning point is the vertex of the graph

The coordinates are (2, - 4 )

(b)

The zeros are the values of x where the graph crosses the x- axis

The graph crosses the x- axis at

x = - 1, x = 5 ← zeros

(- 1, 0 ), (5, 0 ) in coordinate form

I need this to be done in 5 minutes

Answers

Answer: 6 is C and 7 is a

Step-by-step explanation:

Answer:

6) b. 75

7) d. 62

Step-by-step explanation:

the sides of the box are the quartiles, and the dots at the end are the range of the data. the line in the middle of the box is the center of the data.

determine the missing angle ​

Answers

Answer:

46°

Step-by-step explanation:

These angles are same-side supplementary, therefore they add up to 180°.

180 - 134 = 46°.

What’s the value of x?

Answers

14 sorry if I’m wrong

Answer:

6*15 = 5(x+5)

90 = 5x + 25

65 = 5x

x = 13

Step-by-step explanation:

I've gone ahead and labeled some points.

There is a formula that says PA*PB = PC*PD, this is what you use.  If you would like me to show why this works I would be happy to.

So what we have is PA = 6, PB = 9+6 = 15, PC = 5 PD = 5+x so let;s writ ethe formula with these values

6*15 = 5(x+5)

90 = 5x + 25

65 = 5x

x = 13

EDIT: Here is the explanation for the formula

If you form triangles PCB and PAD you can find angle D and angle B are the same, because they are inscribed angles that intersect the same arc of the circle.  Also angle P is the same on both triangles since they are the same angle, so this means both triangles are similar.

This means DA is similar to BC, AP is similar to CP and PD is similar to PB. Similar sides means if you can multiply one side by a number to get to its similar side, then you can multiply all sides by that value to get all sides of that similar triangle.  

This also means if you divide one side by its similar side you get the scale value, so this means if you do it to two different sets of similar sides you get the same number

[tex]\frac{PA}{PC}=\frac{PD}{PB}\\PA*PB = PC*PD[/tex]

1/4 equals Z /20 what does z equal

Answers

Answer:

5

Step-by-step explanation:

PLEASE HELP I DON’T UNDERSTAND PLEASE SHOW WORK TOO TY!!!

Answers

Answer:

5

Step-by-step explanation:

Plug in each number into the equation to its corresponding variable

So 9+6/3

Add the top numbers 9+6=15

now you have 15/3

Simplify 15/3

5

The United States Congress contains 435 representatives and 100 senators. You want to make groups that each have the same number of representatives and senators. What is the greatest number of groups you can make?

Answers

Answer:

5

Step-by-step explanation:

The greatest common factor of 435 and 100 is 5, so if you make 5 groups, each group will have 87 representatives and 20 senators.

Simplify each expression. Show all work from credit.
Plz help me

Answers

Answer:

1. = 1 because any numbers to the power 0 is one

2. = 1/64

3.= b^15 base same power added up

What is the value of y?
03
04
05
06

Answers

Answer:

03

Step-by-step explanation:

Subtract 4, divide by 2, then get 3

The value of y from the figure is 3.

What is Rectangle?

An enclosed 2-D shape called a rectangle has four sides, four corners, and four right angles (90°).

A rectangle has equal and parallel opposite sides.

A rectangle has two dimensions—length and width—because it is a two-dimensional form. The rectangle's longer side is its length, while its shorter side is its breadth.

We have a figure of rectangle whose length = 10 + 2x or 18

and width = 10 or 2y+ 4

As, we know the opposite sides of rectangle are equal.

So, 10+ 2x = 18

2x = 8

x= 4

and, 10 = 2y+ 4

2y= 6

y= 3

So, the value of y is 3.

Learn more about Rectangle here:

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a sneaker with a mark price of $1000 was offered at a discount of 8% for paying cash if someone paid cash for the sneakers how much did they pay

Answers

Answer:

920

Step-by-step explanation:

8% of 1000 is 80

1000 - 80 = 920

Your 6 and 1/2 year investment of $1,450 at 5.4% compounded brought you a grand total of?

Answers

The future value of an investment of $1,450 for 6 and 2/3 years at 5.4% compounded monthly is given by

Find the volume: 5ft 5ft 8ft 3ft ​

Answers

Answer:

120ft

Step-by-step explanation:

8 x 3 x 5

what is the answer to 2x - 20°

Answers

The answer is 10 i think

Answer:

so 10

Step-by-step explanation:

2−20

Grouping

1

Common factor

2−20

2(−10)

Solution

2(−10)

1
Select all of the true statements about the two triangles shown below.

Answers

Answer:

Options B, C, D, F are correct answers

Step-by-step explanation:

Hope it helps you in your learning process.

Identify 3 characteristics of the parabola = −2^2 − 3 + 5.

Answers

Answer:

−2

Step-by-step explanation:

−22−3+5

=−4−3+5

=−7+5

=−2

PLS BRAINLIEST

write 20x20 using an exponent

Answers

Step-by-step explanation:

20^2 because you are multiplying 20 two times

20×20=20², is the exponent form.

What is  multiplication?

In mathematics, multiplication is a method of finding the product of two or more numbers. It is one of the basic arithmetic operations, that we use in everyday life.

Here, we have,

20×20

=400

=20²

Hence, 20×20=20², is the exponent form.

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A store sells an item for $35 after a 25% markup. What is the price the store paid?
$8.75
$28.00
$43.75
$140.00

Answers

Answer:

The store paid $28.00

Step-by-step explanation:

28 times .25(25%) is 7 and 28+7=35

1. El perímetro de la figura que se muestra es:

a. 10x2+20y+8
b. 19x2+16y+16
c. 19x2+20y+16
d. 19x2+20y+8

Answers

Answer:

I think is C 19x2+20y+16

PLEASE HELP!! LOOK AT PHOTO

Answers

Answer: 20.672

Step-by-step explanation: There you go

20.672 is the correct answer!I can't really explain it without paper but you could have used a calculator. Was this a joke or are you serious? lm-aoPlease let me know if I am wrong.

Please can someone solve thiss !!! T~T
I have no idea what its saying and Im AlMosT doNE :(
Please help , it would mean so much

Answers

Answer:

y=2x

Step-by-step explanation:

Answer:

y=2x

is the answer answer

Which graph represents the function g(x) = 3/(x+2) -4?

Answers

Answer:

x=-2, y=-4

Step-by-step explanation:I took the test on k12

The required graph of the given function g(x) = 3/(x+2) -4 is given in the image attached below,

Given that,
The graph for the function g(x) = 3/(x +2) - 4 is to be determined.

What is a graph?

The graph is a demonstration of curves that gives the relationship between the x and y-axis.

Here,
g(x) = 3/(x+2) - 4
Since the function has an inverse operator as 1 / (x + 2) the graph for the given function shown in the graph,

Thus, the required graph of the given function g(x) = 3/(x+2) -4 is given in the image attached below,

Learn more about graphs here:

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A grocery store owner buys a certain brand of crackers from a supplier at $0.95 per box. She sells it to her customers at a markup of 120%. How much does she charge for each box of crackers?​

Answers

Answer:

Selling price= $1.14

Step-by-step explanation:

Giving the following information:

Purchase cost= $0.95

Mark up percentage= 120% = 1.2

Selling price= $1.14

Selling price= purchase cost * mark up percentage

Selling price= 0.95 * 1.2

Selling price= $1.14

Estimate how many times larger 6.1 x 1

07

is than 2.1 x 1

0−4

.


Estimate how many times larger 1.9 x 1

0−8

is than 4.2 x 1

0−13
i need help.
.

Answers

1) 4
2) 2

Pretty sure thats right

1. Does this equation represent growth or decay?
A (t) = 800(1.21)

Answers

Answer:Decay

Step-by-step explanation: because of perenthesis

The equation represents decay

Mrs. Alvarez is buying pizza for her son’s baseball team after a game. The team has 13 players, and each player eats two slices of pizza. Each slice of pizza costs $4.90. How much did Mrs. Alvarez pay in all for the pizza?

Answers

Mrs. Alvarez payed $127.40
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