How I do circumference and area

Answers

Answer 1
Answer: you multiply 3.14 by the diameter or 2 times the radius 
for area you do pi or 3.14*radius squared 

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What is 14.9 round to?

Answers

14.9 is rounded to 15 or if you are going by tens then it is 20
the answer is that is  rounded to 15

hope this helps you!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Is this carrect ? please let me know

Answers

Everything on the sheet looks correct to me. Nice work !
Yep!!!! Division does come before subtraction, you know about PEMDAS right?

What's a number greater than 543000 but less than 544000

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Well, basically, the question is pretty simple. One of the numbers could be 543,001 all the way up to 543,999. I'd choose right in the middle, which would be 543,500. Good luck!
The number 543001 is greater than 54300 but less than 544000

Which of these points lies on the line described by the equation below?y - 4 = -2(x - 6)

A. (-6, -4) B. (-4,-6) C. (6,4) D. (4,6)

Answers

Answer:

Option C is correct.i.e., ( 6 , 4 ) lie on given line.

Step-by-step explanation:

Given Equation, y - 4 = -2 ( x - 6 )

Option A:

From given point, x = -6 and y = -4

LHS = y - 4 = -4 - 4 = -8

RHS = -2 ( x - 6 ) = -2 ( -6 - 6 ) = -2 × ( -12 ) = 24

LHS ≠ RHS

⇒ This point does not lie on given line.

Option B:

From given point, x = -4 and y = -6

LHS = y - 4 = -6 - 4 = -10

RHS = -2 ( x - 6 ) = -2 ( -4 - 6 ) = -2 × ( -10 ) = 20

LHS ≠ RHS

⇒ This point does not lie on given line.

Option C:

From given point, x = 6 and y = 4

LHS = y - 4 = 4 - 4 = 0

RHS = -2 ( x - 6 ) = -2 ( 6 - 6 ) = -2 × ( 0 ) = 0

LHS = RHS

⇒ This point lie on given line.

Option D:

From given point, x = 4 and y = 6

LHS = y - 4 = 6 - 4 = 2

RHS = -2 ( x - 6 ) = -2 ( 4 - 6 ) = -2 × ( -2 ) = 4

LHS ≠ RHS

⇒ This point does not lie on given line.

Therefore, Option C is correct.i.e., ( 6 , 4 ) lie on given line.

c.) (6,4)...................

Subtracting polynomials

Answers

The solution is 10x² + 7x - 1

Step-by-step explanation:

  • Step 1: Subtract -2x² + 3x - 9 from 8x² + 10x - 10

(8x² + 10x - 10) - (-2x² + 3x - 9) = 8x² + 10x - 10 + 2x² - 3x + 9

                                                 = 10x² + 7x - 1

Step-by-step explanation:

\huge\bold\purple{   10x^2+7x-1      }

You own you have only $1,000 the price of a TV set is 1150 can you buy the TV if you get a 10% discounts

Answers

Answer:

No

Step-by-step explanation:

If you do 1150 divided by 10 you would get 115 would get 1035 so no