Rewrite (2x + 8) + 4 using the associative property. Then simplify.

Answers

Answer 1

Answer:

2x+12

Step-by-step explanation:

We can re-write (2x+8)+4 using the associative property of addition. The associative property states that you can move around the parenthesis in an addition problem.

We can write (2x+8)+4 as 2x+(8+4).

2x+(8+4) = 2x+12.


Related Questions

need help plz answer

Answers

Answer:

ok so basically, graph -4 and make a line going left.

Step-by-step explanation:

-10  -9 . -8 . -7 . -6 . -5 . -4

<---------------------------------o----->

Do it like that if you can

what is the derivative of 5(x+2)​

Answers

Answer:

5

Step-by-step explanation:

d(5(x+2))/dx

d(5x+10)/dx

d(5x)/dx + d(10)/dx

5+0

5

Karen is planting a tree. She wants to use two guy wires to stabilize the tree. If Karen places the guy wires 8 feet up the trunk and 7 feet from the base, how much total wire will she need for both guy wires? Round your answer to the nearest tenth.

Answers

15 feet of wire (I’m pretty sure?)

Answer:

20 ft

Step-by-step explanation:

John is skiing on a mountain with an altitude of 1200 feet. The angle of depression is 21° About how far does John ski down the mountain?

Answers

John will ski down the mountain 1285.37ft

Ez points-

2.72 divided by 3

Answers

Answer:

2.72/3=0.907 (correct to three decimal places)

Step-by-step explanation:

Find the value of angle AOD?

Find the value of angle ODC?

Find the value of angle ABC?

Find the value of angle CFD?

Find the value of angle CAB?

Answers

Step-by-step explanation:

AOD - since it forms a triangle and the sides of the triangle are radius of circle they are equal so ADO = DAO. to find AOD: 180⁰-36⁰-36⁰=108⁰.

ODC - first we find DOC :180⁰-108⁰=72⁰.since the other 2 sides of the triangle are equal we can find ODC by : 180⁰=72⁰+2x

2x=180⁰-72⁰

2x=108⁰

x=108⁰/2

x=54⁰

the other 3 right now i dont have an idea but if i think of it later i will comment it here.

ABC -its 120⁰ because it forms Z angles with CEF

CFD -first we find ODE which we do by : 90⁰-54⁰=36⁰. Then we find CED by : 180⁰-120⁰=60⁰.Then we find DCE by: 180⁰-36⁰-60⁰=84⁰.Then we find ECF by :180⁰-54⁰-84⁰=42⁰.And now we find CFD by : 180⁰-120⁰-42⁰=18⁰.

CAB -first we find BCA by : 180⁰-54⁰-84⁰=42⁰ or you can say it is equal with ECF because they are opposites of the same point.Then to find CAB we : 180⁰-120⁰-42⁰=18⁰ or you can say it is equal to CFD because they form Z angle.

4x - y = 3
ax + 10y = 6
Solve for y

Answers

Answer:

Step-by-step explanation:

First Question: 4x-y=3

Second Question: ax+10y=6

First Answer: y=3-4x

Step 1: Property of Inequality!

4x-y=3 = (4x-4x) - y=(3-4x)

Step 2: Solve!

4x-4x=0 which leaves us with y=3-4x

Second Answer: y=6/10

Step 1: Property of Inequality!

ax+10y=6 = (ax-ax) + 10y= (6-ax)

Step 2: Solve!

10y=6 which leaves us with y=6/10

Write the ratio ( 4/7 1/9 ) in the simplest form

Answers

Answer:

I love algebra anyways

The ans is in the picture with the  steps how i got it

(hope this helps can i plz have brainlist :D hehe)

Step-by-step explanation:

jackie bought 15 cookies for $3 . How much will she have to pay for 35?

Answers

Step-by-step explanation:

15=3

35=x

15x=3×35

x= 3×35÷15

x=105÷15

x=7

Pls help I’ll brainlest ASAP

Answers

Answer:

k=−479.56

Step-by-step explanation:

Answer:

479.56

Step-by-step explanation:

If a country's saving rate increases, then in the long run\

a. both productivity growth and income growth increase.

b. only productivity growth increases.

c. only income growth increases.

d. neither productivity growth nor income growth increase.

Answers

Answer:

a. both productivity growth and income growth increase.

Step-by-step explanation:

In terms of economics, savings and investment has a direct relationship. The level of savings and investment go hand in hand. There exists a cycle running between the two of them. The amount saved from the savings are then invested in the investment. Low savings indicate that the economy has selected for the short term consumption. For long-term investment, more savings are intended that helps to be the backbone of the economy.

Plz helpppp!!!!! Much love

Answers

Answer:

B.

Step-by-step explanation:

URGENT PLEASE ANSWER QUICKLY!!!!!!!! (WILL MARK BRAINLYIST)
Stacey delivers newspapers. She earns $15 each week plus $2.00 for each customer on her route.

Determine how much money she earns after delivering to 10, 20, 30 and 40 customers using the function f(x) = 2x + 15

x f(x)

Answers

Answer:

for 10 people she makes 35$

for 20 people she makes 55$

for 30 people she makes 75$

and for 40 people she makes 95$

Step-by-step explanation:

just plug the number of people (10, 20, 30, 40) into the x in the equation.

-1/3 = r - 3/4 What is r?

Answers

Answer:

r = 5/12

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

BracketsParenthesisExponentsMultiplicationDivisionAdditionSubtractionLeft to Right  

Equality Properties

Multiplication Property of EqualityDivision Property of EqualityAddition Property of EqualitySubtraction Property of Equality

Step-by-step explanation:

Step 1: Define

-1/3 = r - 3/4

Step 2: Solve for r

[Addition Property of Equality] Add 3/4 on both sides:                                  5/12 = rRewrite:                                                                                                             r = 5/12

» A biologist is studying the depths of plants growing near the surface of the ocean. He uses
negative numbers to represent the depths of plants he finds below sea level.
-)) The table shows the depths of four plants.
Order the numbers from least to greatest.
1
red algae
-15, feet
sea grass
3
-20
feet
4
3
-20
-15
3
-14
4
green seaweed
3
-14- feet
4
mangrove
1
feet
4

Answers

Answer:

The pic is below :)

Step-by-step explanation:

a) The data in ascending Order -83/4 < -67/4 < -62/4 < -1/4.

b) Sea Grass is the furthest below the Surface of water.

What is Ascending Order?

Numbers can be arranged in ascending order, from least value to highest value. The arrangement is left to right. Increasing order is another name for ascending order.

Given:

-20 3/4, -15 1/2, -14 3/4, -1/4

Now, Writing the above fraction into Normal fraction

-83/4, -31/2, -67/4, -1/4.

Now, Arranging the data in ascending Order

-83/4 < -67/4 < -62/4 < -1/4.

b) Sea Grass is the furthest below the Surface of water.

Learn more about Ascending Order here:

https://brainly.com/question/320500

#SPJ5

Emma bought 7 notebooks for $8.75. How much would 2 notebooks cost?

Answers

Answer:

$2.50

Step-by-step explanation:

8.75 / 7= 1.25

1.25 * 2 =2.50

Instant brainliest please answer.

Answers

I think the last one
2nd one most likely

Jenny deposits $50,000 into an account that pays simple interest at a rate of 2% per year.
Frank deposits $50,000 into an account that also pays 2% interest per year. But it is compounded annually.
Find the interest Jenny and Frank earn during each of the first three years.
Then decide who earns more interest for each year.
Assume there are no withdrawals and no additional deposits.

Answers

Answer:

Jenny will earn $ 1,000 in interest each year, while Frank will earn $ 1,000 the first year, $ 1,020 the second, and $ 1,040.40 the third.

Step-by-step explanation:

Since Jenny deposited $ 50,000 into an account that pays simple interest at a rate of 2% per year and Frank deposited $ 50,000 into an account that also pays 2% interest per year but it was compounded annually, to find the interest Jenny and Frank earn during each of the first three years and decide who earns more interest for each year assuming there are no withdrawals and no additional deposits, the following calculation must be performed:

Jenny:

Year 1 = 50,000 x 1.02 = 51,000

Year 2 = 50,000 x 1.02 = 51,000 + 1,000 = 52,000

Year 3 = 50,000 x 1.02 = 51,000 + 2,000 = 53,000

Frank:

Year 1 = 50,000 x 1.02 = 51,000

Year 2 = 51,000 x 1.02 = 52,020

Year 3 = 52,000 x 1.02 = 53,060.40

Cuantos lados tiene un cuadrilátero y cuales son?

Answers

Answer:

4 lados y se llaman adjacent sides (eso es una palabra en ingles)

Step-by-step explanation:

yo lo se ,espero que esto te ayudo :)

que tengas un buen dia<3

in a bean bag toss game players earn 2 points for each beanbag that lands on the game board and 5 points for each bean bag that lands in the hole. roopesh wants to know his total score after throwing 4 bean bags.

which expressions show the points roopesh earns if two beanbags land on the board? choose all that apply

2+5
2•2
2•5
2+2​

Answers

Step-by-step explanation:

bonjour quelqu'un peut-il se joindre à zo om Numéro d'identification 77974021488 le mot de passe 9taPHH

The correct expression which show the points Roopesh earns if two beanbags land on the board will be;

⇒ 2 × 2

or 2 + 2

What is an expression?

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

We have to given that,

In a bean bag toss game, players earn 2 points for each beanbag that lands on the game board and 5 points for each bean bag that lands in the hole.

Since, Roopesh dropped the bag on land for two times, and points for bag landing is 2.

Therefore, We get;

His score will be,

⇒ 2 × 2

or 2 + 2

Therefore, We get;

The correct expression which show the points Roopesh earns if two beanbags land on the board will be;

⇒ 2 × 2

or 2 + 2

Learn more references on expression visit:

brainly.com/question/14083225

#SPJ7

► Use what you learned to solve these problems.
The cost of a cross-stitch project is a function of the number of
skeins of embroidery floss it requires. The table shows the cost
of projects that use different amounts of embroidery floss What
is the equation of the linear function that models this situation?
Show your work
51125
$13.50
$1650
SOLUTION

Answers

13..hshdhdjjsjdjdjejejejejejejejejejdjdhehebddjdjdjd

3 5 157 5 4 20 2 4 - 2 2- = 2 5 20 (Type wholebes hact fractions, or mi​

Answers

Answer:

look on quizlet you will find your answer to there

A meter is 100 centimeters. How many
meters are equal to 712 centimeters?

Answers

Answer:

100×712 is equal to 71200

so the equality of 712 is 71200

Answer:

7.12 meters

Step-by-step explanation:

So 1 meter = 100 centimeter

To find how many meters are in 712 centimeters, you have to divide 712 by 100.

[tex]\frac{712}{100} = 7.12[/tex]

Therefore, 7.12 meters is equal to 712 centimeters.

Hope this helps!!

- Kay :)

Solve for b can someone help me please

Answers

The angles form a linear pair/ are supplementary, so they add to 180

7b - 2 + 3b + 2 = 180
7b + 3b - 2 + 2 = 180
10b = 180
b = 18

Check:
7(18)- 2 + 3(18)+ 2 = 180
126 - 2 + 54 + 2 = 180
124 + 54 + 2 = 180
178 + 2 = 180
180 = 180 :)

Step-by-step explanation:

hope this will help you..

Tenzin wants to know how much money he can make by mowing lawns. Which of the following is a statistical question?
O "How much did his neighbor pay the last time someone mowed the lawn?"
"How many people on this block pay someone to mow their lawn?"
"How long does it take my neighbor to mow the lawn?"
"How many times a month does each family on the block mow the lawn?"

Answers

Answer:

How many people on this block pay someone to mow their lawn.

Step-by-step explanation:

Someone plz help been stuck on this question for the last 2 hours



Paul has $30,000 to invest. His intent is to earn 11% interest on his investment. He can invest part of his money at 7% interest and part at 13% interest. How much does Paul need to invest in each option to make a total 11% return on his $30,000?
7% interest =$?

13% interest =$?

Answers

Answer:

7% interest = $10,00013% interest = $20,000

Step-by-step explanation:

First find out what an 11% return on $30,000 is.

= 11% * 30,000

= $3,300

Use simultaneous equations.

Assume the amount to be invested in to make a 7% interest is x and the amount for a 13% interest is y.

0.07x + 0.13y = 3,300

x + y = 30,000

y = 30,000 - x

0.07x + 0.13 (30,000 - x) = 3,300

0.07x + 3,900 - 0.13x = 3,300

0.07x - 0.13x = 3,300 - 3,900

-0.06x = -600

x = -600 / -0.06

x = $10,000

y = 30,000 - x

= 30,000 - 10,000

y = $20,000


25 + 62 x 0.25
Evaluate the expression

Answers

Answer:

40.5

Step-by-step explanation:

25 + 62 x 0.25 =

25 + 15.5 =

40.5

25+62 × 0.25 = 40.5

62 × 0.25= 15.5

25 + 15.5 = 40.5

good morning!

(+64) + (+31) =

Answers

Answer:

95

Step-by-step explanation:

Answer:

Good morning to you too:)

Step-by-step explanation:

the answer is 95

What is the difference between qualitative and quantitative data

Answers

Answer: D) Qualitative data is not collected by instruments, it is just observations

Quantitative data deals with numeric values, which is collected by instruments usually. For example, if you're weighing various rocks, then each numeric weight value is part of the quantitative data set. The color of each rock would be qualitative data as you simply look at the rocks and record the color. It will depend on what question you're trying to answer as to whether quantitative data or qualitative data is more useful. Sometimes you may need both types.

*PLEASE FIND THE ANSWER QUICK!!!!!* Find the SA of this solid. please show the unit measure in your answer

Answers

Answer:

The SA of the rectangle is 270. The SA of both the triangles is 24

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