Last week it snowed 4.32 inches on Monday and 6.86 inches on Tuesday. It snowed 7.89 inches this week. Round each number to the nearest tenth.

About how much more did it snow last week than this week?

A.
about 4.0 inches

B.
about 3.5 inches

C.
about 3.3 inches

D.
about 3.2 inches

Answers

Answer 1

Answer: 3.29 but when it gets rounded, it is c. 3.3 inches

Answer 2

Answer:

Final answer:

Rounding the snowfall from last week and this week to the nearest tenth results in a total of 11.2 inches last week and 7.9 inches this week. The difference, or how much more it snowed last week than this week, is 3.3 inches.

Explanation:

Last week, it snowed 4.32 inches on Monday and 6.86 inches on Tuesday. When you round these to the nearest tenth, they become 4.3 inches and 6.9 inches respectively. Therefore, the total snowfall last week was 4.3 inches + 6.9 inches = 11.2 inches.

This week it snowed 7.89 inches. When we round it to the nearest tenth, it becomes 7.9 inches.

Now to figure out how much more it snowed last week than this week, we subtract the snowfall of this week from the total snowfall of last week, which is 11.2 inches - 7.9 inches = 3.3 inches. So, it snowed about 3.3 inches more last week than this week.

Learn more about Rounding Numbers and Subtraction here:

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What is the area of the regular octagon with a side length of 10 m and an apothem of 12.1 m?A.
242 m2

B.
363 m2

C.
484 m2

D.
968 m2

Here is a picture if you need it.

Answers

A = 2 * a^2 * (1 + sqrt 2)

Where 'a' is the side length.

A = 2 * 10^2 * (1 + sqrt 2)

A = 2 * 10^2 * 2.41421356

A = 2 * 100 * 2.41421356

A = 200 * 2.41421356

A = 482.842712

Therefore, the closest one is C.

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the line plot below displays the amount of time cars were parked outside a bakery if the total amount of time for a divided equally among all the cars, how long would each car have been parked

Answers

Answer:

10 are 3/4 hr

4 are 1/2 hr

2 are 1/4 hr

Step-by-step explanation: we took 3/4 and multiplied x 10/1 = 30/4

we multiplied 1/2 x 4/1 =4/2 and we multiplied 1/4 x 2/1= 2/4

I converted 4/2 x 2/2 to give it the same common denominator as the other fractions 4/2 x 2/2=8/4

So 8/4 +30/4+2/4 = 40/4 divide this by 16 ( total number of cars) But somehow I am not getting the answer of 5/8, 9/16, 3/4 or 1/2 that are to choose from for the answer. 40/4 = 10 and 10/16 is simplified by dividing by 2/2 = 5/8

Jamie has 3 times as many pencils as pens. She has at least 18 pencils. How many pens does Jamie have?

Answers

jamie has 54 pens in total and in simplefied ratio is 27:9

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At the local aquarium there are 10 dolphins 8 penguins and 4 whales what is the ratio of penguins to whales

Answers

A ratio compares two quantities.

penguins = 8
whales = 4

8:4 , now simplify

8/4 = 2
4/4 = 1

2:1 is the ratio.

Final answer: 2:1

A ratio compares 2 or more quantities. But when working with ratios you have to be VERY careful. What ever says to come in the ratio 1st it HAS to come first, cause if you change the order it will mess the ratio up. A ratio can be written in 3 ways:-

a to b
a:b
$(a)/(b)$

Now lets look at the information we have:-

10 - dolphins
8 - penguins
4 - whales

Now we need to find the ratio of penguins to whales. So it would look like this:-

penguins: whales
penguins to whales
$(penguins )/(whales)$

Penguins:- 8
Whales:- 4

So, the ratio of penguins to whales would look like:-

8 to 4
8:4
$(8)/(4)$

Now we will simply $(8)/(4)$

8 ÷ 4 = 2
4 ÷ 4 = 1

So, our new simplified ratio would be:- 2 to 1. 2:1. $(2)/(1)$ .

Hope I helped ya!!

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