Mathematics High School

What expressions are equivalent to X+2y+X+2
A. 2(x+y+1)
B. 2x+4y+4
C. None of the above
Plz help

Answers

Answer 1
The answer should be A because if you simplify X+2y+X +2 your answer would be 2x+2y+2 and if you calculate A it is the same.

Related Questions

list two attributes of two congruent polygons

Answers

Answer:

This entry deals with the congruence of polygons in general. Congruent triangles are discussed in more depth in Congruent Triangles. Polygons are congruent if they are equal in all respects: 1. Same number of sides 2. All corresponding sides are the same length

Step-by-step explanation:

Step-by-step explanation:

1)Same number of sides.

2)All corresponding sides are the same length,

what is the circumference of a circle that that is d=23 ft.

Answers

72.26 is the answer I think

Answer:

72.26ft

Step-by-step explanation:


Christian and Jaida are summer interns at a state park .They are helping to plant trees in an area where there was a forest fire .Christian’s uncle owns a tree nursery and is willing to donate a 3-foot tall tree that will grow 1.5 feet per year. Jaida goes to another nursery ,but is only able to get tree seeds donated according to the seed package the trees will grow 1.75 feet per year.

I NEED HELP WITH THE CHARTS!!!

Answers

Answer:

Step-by-step explanation:

okay hopefully i could explain it fast for you but

christian tree             jaida's tree

0 0                               0   0

1  1.5                              1  1.75

6  9                               6  10.5

11  16.5                          11  19.25

12   18                             12  21

13   19.5                           13  22.75

Alicia purchased h half gallons of ice cream for 3.50 each p packages of ice cream cones for 2.50 each she purchased 14 items and spent 43$ which system of equations could be used to determine how many of each item Alicia purchased

Answers

Answer:

H + P = 14

3.50H + 2.50P = 43

Step-by-step explanation:

Given that

H denotes half gallons of ice cream

P denotes packages of ice cream cones

Now  

H + P = 14

And,  

3.50H + 2.50P = 43

So, the systems of equations would be

H + P = 14

3.50H + 2.50P = 43

2.
3. A brand of uncooked spaghetti comes in a box that is a rectangular prism
with a length of 9 inches, a width of 2 inches, and a height of 1 1/2
inches.
What is the surface area of the box? Explain.

Answers

So sorry if I’m wrong but if u divided 11 buy 2 the get 9 divided by 2 witch u should add both of your answers and u get 10 as your answer

Hey guys again please I suck at math

Answers

Answer:

the correct answer is number 2

Step-by-step explanation:

X3 - 4x - 16x-24

Answer:

the answer is B

Step-by-step explanation:

X3-4x2-16x+24

Can one of y’all please help me this is Urgent

Answers

Answer:

B

Step-by-step explanation:

It’s the only one with sides that correlate

ILL GIVE BRAINLIEST FOR FIRST ANSWER!
Divide.

12÷18

Answers

Answer:

0

Step-by-step explanation:

Use the information to find an equation (y=mx+b) for the amount of Sponsorship money (Y) you an make for each day of the trip. Show your work and explain your steps below. Coca Cola 5 days - $134 10 days - $164 15 days - $194 20 days - $224

Answers

Answer:

y = 6x + 104

Step-by-step explanation:

Given the equation in the form:

y = mx + b

m = slope ; b = intercept

Given the data:

5 days - $134 10 days - $164 15 days - $194 20 days - $224

To obtain the slope, Pick the points :

(5, 134) and (20, 224)

Slope = y2 - y1 / x2 - x1

Slope, m = (224 - 134) / (20 - 5) = 90 / 15 = 6

Plugging into the equation :

We have ;

y = 6x + b

Picking any point from the data and plugging in to solve for b:

(10, 164)

164 = 6(10) + b

164 = 60 + b

b = 164 - 60

b = 104

Equation finally becomes ;

y = 6x + 104

What is 234475 x 45678 =?

Answers

what i got for the answer is 1.07103e10

I need the x and y value


I did it and I got 26 got both, but I’m not sure.

Answers

Answer:

x=26

y=116

Step-by-step explanation:

Answer:

Step-by-step explanation:

x8 y5

A rectangular dining room has an area of 20 square meters. It's perimeter is 18 meters. What are the dimensions of the dining room?

Answers

Answer:

The dimensions are:

Length = 5m and Width = 4m

Or

Length = 4m and Width = 5m

Step-by-step explanation:

A rectangular dining room has an area of 20 square meters. It's perimeter is 18 meters. What are the dimensions of the dining room?

Area of a rectangle = Length × Width

= LW = 20 m²

Perimeter of a rectangle =

2L + 2W = 18 m

Hence:

LW = 20...... Equation 1

L = 20/W

2L + 2W = 18 ...... Equation 2

We substitute

20/W for L in Equation 2

2(20/W) + 2W = 18

40/W + 2W = 18

Multiply through by W

40 + 2W² = 18W

2W² - 18W + 40 = 0

2W² - 10W - 8W + 40 = 0

(2W - 8 )(W - 5) = 0

2W - 8 = 0

2W = 8 , W = 8/2 = 4m

W - 5 = 0

W = 5m

W = 4m or 5 m

Solving for L

When W = 5 m

L = 20/W

L = 20/5

L = 4m

When W = 4m

L = 20/W

L = 20/4

L = 5m

Therefore, the dimensions are:

Length = 5m and Width = 4m

Or

Length = 4m and Width = 5m

What is the lateral surface area of the square pyramid represented by this net?

Enter your answer in the box

__ft² ​

Answers

Answer:

If you know the answer to this just put it down below

Step-by-step explanation:

A line has a slope of 5 and y-intercept of -2. What is its equation in slope-intercept from? Write your answer using interfere, proper fraction and improper fractions in simplest form.
Y=_x - _

Answers

Answer:

y=5x-2

Step-by-step explanation:

8(4p+5)=8(5p-4) what’s the answer

Answers

Answer:

p= 9

Step-by-step explanation:

p= 9

Answer:

p=9

Step-by-step explanation:

8*4p+8*5

32p+8*5

32p+40

8(5p-4)

multiply the numbers:8*5=40

8*5p-8*4

Multiply the number 8*4=32

40p-8*4

40p-32

32p+40=40p-32

Subtract 40p from both sides:

32+40-40=40p-32-40

Simplify:

-8p=-72

divide both sides by: -8

-8p/-8=-27/-8

p=9

Multiply.

−3/7xy(−35x^3y^2)



Enter your answer in the box.

Answers

Answer:

[3] / [(245)(x^4) (y^3)]

Step-by-step explanation:

whats 2÷1 to the 2nd power​

Answers

Answer: its going to be 2

Step-by-step explanation: simplify 1 to the second power would be 1*1 and 2 divide by 1 is 2 hope this helps :D

Answer:

4

Step-by-step explanation:

identify the percent of change as an increase or a decrease 3/8 to 7/8

Answers

Answer:

133.5

Step-by-step explanation:

Please help I needed it badly

Answers

Answer:

The answer is C trust me I did this

Laura says that you should
always divide the bigger number
by the smaller number. Do you
agree with her or disagree with her?
why?

Answers

Answer:

agree

Step-by-step explanation: you should always divide the bigger number over the smaller number. but if you don't you'd still get the same answer

Estimate 13.5 km to miles ASAP!!!

Answers

Answer:

8.388511

Step-by-step explanation:

Divide by 1.609

The average depth of a certain ocean is 10,938 feet below the surface of the ocean.

Answers

Answer:

-10,938

Step-by-step explanation:

Since it is below sea level then it’s negative.

Hope this help!

Factor X^2-13x+22 help pls

Answers

Answer:

(x-2)(x-11)

Step-by-step explanation:

Answer:

(x - 2)(x - 11)

Step-by-step explanation:

We have a polynomial and are asked to factor it.

Polynomial : x^2 - 13x + 22

Usually a trick I follow when factoring is that for c (in this case 22). You need to find two numbers that will multiply to it. And for b (in this case -13) you will need to find two numbers that will add to it, the same numbers you multipled for c.

So

x * y = 22

x + y = -13

These two numbers are -11 and -2.

WILL MARK YOU BRAINLIEST

Answers

Answer:

because JKML is a parallelogram

=> JK // ML

=> KJM + LMJ = 180⁰

<=> 3x + 20 + 5x - 8 = 180⁰

<=> 8x = 168

<=> x = 21

with x = 21 => L = 4.21 - 1 = 84 - 1 = 83⁰

Solve the system by graphing.

y=2x+4
y=-x+1

Answers

Answer:

Step-by-step explanation:

each unit cube measured 1 inch3. what is the maximum volume of the prims

Answers

Answer:

1 x 3 x 1 = 3

Step-by-step explanation:

3 3x-8


combine like terms.

Answers

The answer is 3x-21 i think

I don’t now how to do it please help

Answers

(20 x 20) + (1/2 x16 x 12) i think

I'm confused can someone maybe help me? (Picture below)

Answers

Answer:

hlo ji good evening ji please follow me

j /-2 + 7 = -12. what is the value of j
​

Answers

Answer:

j = 38

Explanation:

ʲ⁄₋₂ + 7 = -12

Subtract 7 From Both Sides

ʲ⁄₋₂ + 7 - 7 = -12 - 7

Simplify

ʲ⁄₋₂ = -19

Multiply Both Sides By -2

(-2) ʲ⁄₋₂ = -19 (-2)

j = 38

Answer:

38

Step-by-step explanation:

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