The coastline of the United States is 12,383 miles long. Canada's coastline is 113,211 miles longer than the coastline of the United States. How long is the coastline of Canada

Answers

Answer 1
Answer: Canada's coastal line would be 125,594

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What is the value of the coefficient 2x^3+18x^2-18x-162=2(x+k)(x-k)(x+9)

Answers

The polynomial
2x^3+18x^2-18x-162=(2x^3+18x^2)-(18x+162)=
=2x^2(x+9)-18(x+9)=2(x+9)(x^2-9)=2(x+9)(x+3)(x-3).
Then k=3.

What's the square root 20

Answers

  by using calculator, these are the answers:
√20 = 4.47213595499958

√18 = 4.24264068711928

but without calculator,

√20 = √(4x5)
= √4 x √5
= 2 x √5
= 2√5

√18 = √(9x2)
= √9 x √2
= 3 x √2
= 3√2

Boris is ordering supplies for his company. He ordered 20 boxes of pencils and 32 boxes of pens. What is the ratio of boxes of pens ordered to boxes of pencils ordered? Please reduce your answerA. 8:5
B. 16:10
C. 32:20
D. 9:3

Answers

(boxes \ of \ pens)/(boxes \ of \ pencils)=(32)/(20)=(8 * 4)/(5 * 4)=\boxed{(8)/(5)} \Leftarrow A

Answer:

8:5

Step-by-step explanation:

I did the question on study island  trust me. :)

6 to the 4th power times 6 to the 4th power

Answers

Answer:

1679616.

Step-by-step explanation:

6^4=1296

1296x1296 =1679616

Literally answered this same question yesterday asked by someone else.

6^4 x 6^4

(6 * 6* 6* 6) x (6 * 6 *6 *6)

(36 * 6 * 6) x (6 * 6*6 * 6)

(216 * 6) x ( 6 * 6 * 6 * 6)

1296 x (36 * 6 * 6)

1296 x (216 * 6)

1296 x 1296

1679616

Arrange the numbers in increasing order 8.08,8.081,8.09,8.008

Answers

8.08,8.09,8.0008,8.081
8.08, 8.09, 8.008, 8.081

Here are some numbers.5 4 3 9 7
Which of these numbers is:

a factor of 32?
a common factor of 12 and 21?

Answers

A factor is an integer multiplied with another integer to get the product.

Factors of 32 are 1, 2, 4, 8, 16, 32. Among the given choices, 4 is the factor of 32.

Factors of 12 are 1, 2, 3, 4, 6, 12
Factors of 21 are 1, 3, 7, 21
The common factors of 12 and 21 are 1 and 3. Among the given choices, 3 is the common factor of 12 and 21.
4 is a factor of 32
and 3 is a common factor of 12 and 21