The Navajo and Pueblo Indians create large, circular sand paintings as part of traditional healing ceremonies. How much more circumference does a sand painting with a 20-foot diameter have compared with one with a 5-foot diameter?

Answers

Answer 1

Answer: Approximately 47ft
Circumference= 2πr
r= d/2
r=10 r=2.5
Circumference= 63 Circumference=16
63-16=47

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Hot dogs buns come in packages of 8 for the school picnic mr spencer bought 30 packages of hot dog buns . How many hot dog buns did he buy

Answers

Answer:

240 buns

Step-by-step explanation:

Hot dogs buns come in packages of 8.

Mr Spencer bought 30 packages of hot dog buns for the school picnic.

We have to multiply 30 packages with number of buns in one package.

He bought total number of hot dog buns = 30 × 8

= 240 buns

Mr. Spencer bought 240 hot dog buns.

He bought 240 hot dog bun for the picnic you need to multiply 30x8=240

The sum of 8 and 7 , doubled

Answers

When you're talking about sums, that means you are adding. So, you do 8+7=15. The sum of it being doubled, you say? 15x2=30, or 15+15=30. Hope this helped :)

Here is a hint, "sum" is adding up therefore, the question is asking "The number of 8 + 7, then multiplied by 2. 8+7x2 = 30

after five tests, Mike's average score is 91. After 6 tests, his average score was 89. what was his score, on the sixth test?

Answers

( x 1 + x 2 + x 3 + x 4 + x 5 ) / 5 = 89 Multiply both sides by 5

x 1 + x 2 + x 3 + x 4 + x 5 = 89 * 5 = 445

( x 1 + x 2 + x 3 + x 4 + x 5 + x 6 ) / 6 = 90

( 445 + x 6 ) / 6 = 90 Multiply both sides by 6

445 + x 6 = 6 * 90 = 540

x 6 = 540 - 445 = 95

Final answer:

Mike's score on the sixth test can be found by subtracting the total score after five tests from the total score after six tests (534 - 455), which yields a score of 79.

Explanation:

In order to solve this problem, we need to understand how averages work. The total score after five tests is 91*5, which amounts to 455. After the sixth test, the total average dropped to 89. To find the total score after six tests, you multiply 89*6, which gives us 534. The score for the sixth test can be found by subtracting the total score after five tests from the total score after six tests. So, 534 - 455 = 79. Therefore, Mike scored 79 on his sixth test.

Learn more about Averages here:

brainly.com/question/34817150

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The table shows the number if votes for the new school mascot. What percent of the students chose a mascot other than Tigers?Mascot|| Number of students

Polar bears|| 6
tigers|| 14
vikings|| 19
eagles|| 11

Answers

The total votes are 50. If you are finding out the percentage of students that did not choose the Tigers, you would subtract the Tigers votes from the total. 50-14 =36. 36/50 would equal .72, turn that into a percent and you have 72% of students not voting for Tigers.

Answer:

The answer is D 400 ÷ 10

Step-by-step explanation:

(x - 6 + I)(x - 6 - i