Simplify using the vertical method. (2k+3)(2k^2-4k-3)

Answers

Answer 1
Answer: 4k^3 - 8k^2 + 6k^2 - 12k - 6k - 9
Combine like terms... -8k^2+6k^2= -4k^2
-12k+6k=-6k
and leave 4k^3 and -9 alone because you don't have anything to combine it with so the equation is  4k^3 -4k^2 -6k -9

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Teloria, Maria, and Britt each ordered a pizza. Teloria ate47of hers, Maria ate34of hers, and Britt ate 5 of her 8 slices. Order the girls, from greatest to least, according to how much of their pizzas they ateA) Teloria, Maria, and Britt each ordered a pizza. Teloria ate47of hers, Maria ate34of hers, and Britt ate 5 of her 8 slices. Order the girls, from greatest to least, according to how much of their pizzas they ateA) Maria, Teloria, BrittB) Britt ,Teloria, MariaC) Teloria, Maria, BrittD) Maria, Britt, Teloria
use compatible numbers to estimate the quotient of 46.1÷2.3 plz help

A train travels 125.5 miles in 150 minutes 1 mike = 1.61 kilometers 1 hour = 60 minutes find the trains speed in kilometers per hour

Answers

Multiply 125.5 miles by 1.61 to get total kilometers:

125.5 x 1.61 = 202.055 kilometers total.


Divide 150 minutes by 60 to get total hours:

150/ 60 = 2.5 hours.

Now Divide total kilometers by total hours to get kilometers per hour:

202.055 kilometers / 2.5 hours = 80.822 kilometers per hour.

Round the answer as needed.

Answer:

80.822 km/hour

Step-by-step explanation:

A train travels in 150 minutes = 125.5 miles.

First we will convert 125.5 miles to kilometers

1 mile = 1.61 kilometers

125.5 miles = 125.5 × 1.61

                   = 202.055 kilometers

1 hour = 60 minutes

150 minutes = (150)/(60)

                    = 2.5 hours

Hence the train travels 202.055 kilometers in 2.5 hours.

Therefore, The speed of the train in one hour = (202.055)/(2.5)

                                                                           = 80.822 km/hour

The trains speed is 80.822 km/hour.

Identify the pair of angles as corresponding alternate interior, both or neither

Answers

Answer:

alternate interior angles

Step-by-step explanation:

Identify the pair of angles m<4 and m<7 as corresponding alternate interior, both or neither

we know that

Alternate interior angles are two congruent interior angles which lie on different parallel lines and on opposite sides of a transversal.

so

m<4=m<7 ------> by alternate interior angles


Which pair of parenthesis can be removed without changing the value of the expression?

Answers

The pair of parenthesis that can be removed without changing the value of the expression is "parenthesis around 5 × 8"

Given expression:

(1 + 2) × (6 - 3) + (5 × 8) + (9 - 4)

Using BODMAS

  • B = bracket
  • O = of
  • D = division
  • M = Multiplication
  • A = Addition
  • S = Subtraction

(1 + 2) × (6 - 3) + (5 × 8) + (9 - 4)

= 3 × (3) + 40 + 5

= 9 + 40 + 5

= 54

Remove parenthesis around 5 × 8

(1 + 2) × (6 - 3) + 5 × 8 + (9 - 4)

By removing the parenthesis around 5 × 8, you still have to multiply before adding according to the rule of BODMAS

Therefore, the pair of parenthesis that can be removed without changing the value of the expression is "parenthesis around 5 × 8"

Learn more about BODMAS:

brainly.com/question/24491237

C is the correct answer as it's multiplication, meaning it would be done first anyway.

PLEASE HELP THERE A FEW QUESTIONS THAT I NEED HELP I BEG YOU I NEED HELP

Answers

I have a proof for these problems but seems you have urgent help.
The answer of the first question is the THIRD one which is (x - 2)/(x² - 6x + 8)
The answers of the second question are x ≠ -1 and x ≠ 0.
The answer of the third question is 6 + 3x.

In 5 to the 7th power what is the 5 called

Answers

The 5 is called the base.

The 7 is called the exponent.
5 to the 7th  power or is basically 5 seven times, it's NOT 5 times 7, it's 5x5x5x5x5x5x5 = 78,125 or  = 78,125. You just say 5 to the 7th power. 


What is the gcf of 86,129,and 215

Answers

The gcf of 86,129 and 215 is 43.
the gcf of 86,129,and 215 is 43 :)