What is the value of x when 10(x + 2) = 5(x + 8)

Answers

Answer 1
Answer: the answer is x=4. you have to use the distributive property on both sides then begin solving for x.  
Answer 2
Answer: Use the distributive property to get 10x+20=5x+40. Subtract 5x from both sides to get 5x+20=40. Subtract 20 from both sides to get 5x=20. Divide 5 from both sides to get x=4.

x=4

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(3-7n^2+3n^3)-(6n^3-1-5n^2). Simplify.

Answers

Simplify

3 - 7n^2 + 3n^3 - (6n^3 - 1 - 5n^2)

Simplify brackets

3 - 7n^2 + 3n^3 - 6n^3 + 1 + 5n^2

Collect like terms

(3 + 10) + (-7n^2 + 5n^2) + (3n^3 - 6n^3)

Simplify

4 - 2n^2 - 3n^3

Answer:

-3n^3 - 2n^2 + 4.

Step-by-step explanation:

(3-7n^2+3n^3)-(6n^3-1-5n^2)

First distribute the negative over the second parentheses:

= 3 - 7n^2 + 3n^3 - 6n^3 + 1 + 5n^2

Now simplify like terms:

= -3n^3 - 2n^2 + 4 (answer).

Long division of 764 divided by 7, must show work

Answers

764÷7
7 goes in 7, 100 (Digit!) times no remainder
7 goes in none so it is now 64 not 6
7 goes in 64, 9 times with remainder 1
So it is 109 remainder 1 or 109, 1/7
7|764
7
-------
064
063
-------
1

awnser- 19 remainder 1

Points are usually labeled as.numbers
capital letters
lower case letters
Roman numerals
none of the above

Answers

Answer:

Capital letters

Step-by-step explanation:

lower case numbers for points

Find the slope and reduce.
P=(-5, 2) Q=(-3, 6)​

Answers

Good evening,

Answer:

Slope = 2

Step-by-step explanation:

(6-2)÷((-3)-(-5))=2.

:)

Andrea's family stopped at the gas station to get gas. At gas stations, the price of gas per gallon is given to the nearest thousandth. In order to determine how much money he would need to pay for the gas, Andrea's dad asked her to round the price of gas per gallon to the nearest hundredth.The gas price per gallon rounded to the nearest hundredth was $2.50. Which of the following prices could have been the original gas price?

Answers

ok but you didnt give any options.. :) for instance it can be  any of these..

(2.49, 2.48, 2.47, 2.46, 2.45)

Answer:

2.498

Step-by-step explanation:

Factor each expession 63+81

Answers

Something wrong with this question. Check it again.
IF
63x+81
= 9(7x+9)

63+81x
= 9(7+9x)
63 + 81 = 9(7 + 9)

Your final answer is 9(7 + 9).