MATHEMATICS HIGH SCHOOL

a bicycle tire is 28 inches in diameter. approximately how far does the bicycle move foward each time the wheel goes around?

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

circumference=2πr=2π×14=28π=28×22/7≈88 inch

it covers a distance of 88 inch in one revolution.

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If a jigsaw puzzle is priced 17.00 but cost 17.68 at the register what is sales tax rate

Answers

Answer:4%

Step-by-step explanation:

From the question, we are informed that a jigsaw puzzle is priced 17.00 but cost 17.68 at the register. This means that the sales tax is (17.68 - 17.00) = 0.68.

Therefore, the sales tax rate will be calculated as:

= (0.68 / 17.00) × 100

= 4%

The sales tax rate is 4%

Solve the formula S=7πrb+7πr² for b

Answers

It’s b=S-7*pi*r^2 / 7*pi*r, where r cannot equal to 0. Give me brainliest!

Use the digits 1,3,4,and 7 to create two whole numbers whose product is estimated to be about 600

Answers

Answer: 34 and 17 are two numbers created from the given digits whose product is estimated to be about 600.

Step-by-step explanation:

Let 34 and 17 are two whole numbers created from the given digits.

Case 1) If we multiply 34 and 17 then 34×17=578 if we rounding up to the nearest hundreds we will get 600.

Case 2) If we rounding up the whole numbers before multiplication as

estimate of 34 to the nearest ten is 30 and 17 to the nearest ten is 20

Then the product becomes 30×20=600.

So by both the ways 34 and 17 can be used for estimated product to be 600.

34 x 17 (round the 2 numbers)
30 x 20
600

Also, 34 x 17 = 578, which rounds to 600

The answer is 34 and 17

Eric bought lunch for him and his friends at Papa's Pizza. His bill was $50 with tax. If he used a 15% off coupon and then left a 20% tip based on the discounted ticket, how much did he have left out of $100 bill?

Answers

Answer:

$49

Step-by-step explanation:

We have been given that Eric bought lunch for him and his friends at Papa's Pizza. His bill was $50 with tax. If he used a 15% off coupon and then left a 20% tip based on the discounted ticket.

First of all, we will find amount of bill after 15% discount by finding 85% of $50 as:

$\text{Bill after 15 percent discount}=\$50* (85)/(100)$