About 71% of Earth’s surface is covered in water.

Question 1
Part A

If Earth's surface area is about 196,900,000 square miles, about how many square miles are covered in water?

Enter the correct answer in the box.
Part B

About what percent of Earth’s surface is not covered in water? How many square miles is this?

Enter the correct answers in the boxes.

Answers

Answer 1

Answer:

A. 139,799,000 square miles

B. 57,101,000 square miles

Step-by-step explanation:

71% ÷ 100 = 0.71

0.71 x 196,900,000 = 139,799,000

100 - 71 = 29

29 ÷ 100 = 0.29

0.29 x 196,900,000 = 57,101,000

another way; knowledge of A

196,900,000 - 139,799,000

= 57,101,000


Related Questions

PLEASE HELPPPPPPPP ILL GIVE BRAINLIST IF CORRECT : )

Answers

Answer:

0.0175

Step-by-step explanation:

there are 3600 seconds in every hour. to solve for miles/sec you must divide the 63 miles/hour by 3600, providing an answer of 0.0175 miles/second

the answer is 0.0175

Find the total cost with sale tax.
Holly has $15 to buy a gift for her brother. She found a stuffed animal that cost $12.50. With 10.1% sales tax added on, what is the sale tax? What is the total cost of the stuffed animal with tax included? Will holly have enough money to buy the gift?

Answers

the total cost is 13.76, she has enough money. (accidentally posted the answer in the comments so ignore that)
13.76 is the answer

What is the perimeter of a rectangle with a length of 15 ft and a width of 32 ft?


A. 47 ft
B. 55 ft
C. 94 ft
D. 480 ft

Answers

Answer:

C) 94 ft

Step-by-step explanation:

The perimeter of a rectangle's formula is:

[tex]P = 2l + 2w / P = 2(l+w)[/tex]

I will use the second formula.

We are given the length of 15ft and a width of 32 ft.

[tex]P = 2(15 + 32)\\\rule{150}{0.5}\\P = 2(47)\\\\P = \boxed{94}[/tex]

The answer should be C.

Hope this helps.

Answer:

C. 94 ft.

Step-by-step explanation:

15*2=30 to find the length32*2=64 to find the width30+64=94 to find the perimeterTherefore, the answer is 94 ft.

Joe drove 538 miles in 9 hours 15 minutes. What was his average speed per hour? Round to the nearest whole number.

The First-person to answer gets brainliest.

Answers

I’m pretty sure it’s 58mph

HELP I WILL GIVE BRAINLIST AND EXTRA POINTS!!! Johnny ate 55 cookies his friend made 72 cookies after Johnny 855 cookies. His friend made 53 point72 5 more cookies. How many cookies did Johnny's friend make ?
Write 3 complete sentences.

Answers

Answer: he will have only one cookie left

Step-by-step explanation:

Answer:90

Step-by-step explanation:

let the number of cookies be x

let the number of friends by y

x - 5y = 0

x - 3y = 36

subtract them:

-2y = -36

y = 18

x - 5(18) = 0

x = 90

John has 90 cookies.

Two quantities are related, as shown in the table:

x y
2 3
4 4
6 5
8 6
Which equation best represents the relationship?
1. y = 1/2x + 2

2. y = 1/2x + 1

3. y = x + 2

4. y = 2x + 1

Answers

Answer:

It's the 4th one

Step-by-step explanation:

.................................

The answer would be 1. This is because if you do this equation for every row in the table it would always equal y. 1/2x (x divided by 2) would always equal 2 less than y. There is no unit rate in this problem because it is not proportional.

Anand goes out to lunch. The bill, before tax and tip, was $10.80. A sales tax of 6.5% was added on. Anand tipped 24% on the amount after the sales tax was added. What was the total cost of the meal, plus tax and tip?

Answers

Answer: 20.41

Step-by-step explanation: step 1: (10.80 * 0.65) + 10.80 = 17.82

step 2: (10.80 * 0.24) + 17.82 = 20.41

A phone company advertises a new plan in which the customer pays a fixed amount of $ 25 per month for unlimited calls in the country and $ 0.10 per minute for international calls . Write an equation for the monthly payment a customer pays according to the new plan . Use y for monthly payment , and x for international minutes.

Type the equation in the form y=ax+b without using any spaces. Write any decimals in the form 0.00

Answers

Answer:

y = a(.10) + 25

Step-by-step explanation:

Using the equation y = ax + b.

"$25 per month for unlimited calls in the country and $0.10 per minute for international calls."

The word "per" indicating that you are multiplying this.

The only variables being multiplied are a and x.

Thus, a is the amount of minutes, x is the cost of international calls and b is the cost of unlimited calls.

please I need help with this:) 12 points!!
Will give brainliest to the correct answer!1.

Answers

Answer:

Part A:  -1/4

Part B:  2/5

Step-by-step explanation:

An object is traveling at a steady speed of 9 9/10 km/h. How long will it take for the object to travel 2 1/10 km? First round to the nearest integer to find the estimated answer. Then find the exact answer. (I don't know what I'm doing.)

Answers

Answer:

7/33

Step-by-step explanation:

9 9/10= 99/10

2 1/10= 21/10

21/10 / 99/10 = 21/10 x 10/99 = 210/990 = 21/99 = 7/33

Answer:

12

step by step

I got it wrong and it said the answer is 12

study island diagnostic question

Answers

Answer: im rlly srry i need points but i will try my best

Step-by-step explanation:

the 3rd bar on componey 3 is longer than any other 1

Find m(x) = f(x) * h(x)

Values - f(x) = -3x + 6; g(x) = 7x -5; h(x) = -2

Answers

Answer:

Step-by-step explanation:

I believe the answer is 6x-12 :)

The temperature on the ground during a plane's takeoff was 4*F. At 38,000 feet in the air, the temperature outside the plane was. Find the difference between these two temperatures , and enter the number only. 4 degrees * F; - 34 degrees * F

Answers

Answer:

-22*F

Step-by-step explanation:

The answer is -22*F because you are subtracting -7*F from -29*F.

Answer:

-22

Step-by-step explanation:

plz help me! whats the answer? i have no idea how to do this! the second picture, or the one that shows the set percentages, is the rest of the info you need to know, plz help!

Answers

Answer:

you answer is 1,090

Step-by-step explanation:

part is ,327

of whole,x

percent,30

327over x = 30 over 100

327*100=30x

32700=30x

÷30-÷30

= 1090x

do 1090 8s the overall answer

ANSWER: $425.10

The mark down is 30% so we need to find how much that is then add it to the price it is now.

30% of 327 = 98.1

So now we need to add 98.1 to 327

98.1 + 327 = 425.10

Hope this helps. If you have any questions feel free to ask

Drag and drop the fractions to order them from least to greatest.
-3/7
-4/5
2/3
1/4

Answers

-4/5, -3/7, 2/3, 1/4

Answer:

-4/5, -3/7, 1/4, 3/2

Step-by-step explanation:

I took the test these are the right answers

wich data set could be repersented by the blox plot shown down below?


pick a b c or d

Answers

A is the correct answer

1. A ball is dropped from a height of 256 feet. After it hits the ground, it rebounds to a height that is 75% of its previous maximum height. Use proportional reasoning to complete the table.​

Answers

Answer:

85.3333333333

Step-by-step explanation:

I think because all you have to do is 256÷3 because 75% is 3 quarters

A middle school has an oval track with the dimensions shown. What is the distance around the track? use 3.14 for π. show your work.

Answers

nobody can answer because we can’t see the “dimensions shown”
yeah uhm I can’t really answer that because there isn’t a track.

plz helppp!!!!! I NEED IT NOWW !!!!!!!!!!!!!!!!

Answers

Answer:

A

Step-by-step explanation:

The ratio of athletes in the two teams is 3:2. After 12 athletes move from first team to second, the ratio is 5:4. Find the number of athletes on each team originally.

Answers

Answers:

team one = 162team two = 108

=========================================================

Explanation:

The ratio 3:2 scales up to 3x:2x for some positive whole number x.

This tells us that the first team has 3x people and the second team has 2x people. We'll subtract 12 from the first team and add 12 to the second team to represent 12 people moving.

3x becomes 3x-122x becomes 2x+12

The new team counts 3x-12 and 2x+12 represent team 1 and team 2. Those expressions are in the new proportion 5:4.

This means....

(team 1 new count)/(team 2 new count) = 5/4

(3x-12)/(2x+12) = 5/4

4(3x-12) = 5(2x+12)

12x-48 = 10x+60

12x-10x = 60+48

2x = 108

x = 108/2

x = 54

From this, we then can say:

team 1 original count = 3x = 3*54 = 162team 2 original count = 2x = 2*54 = 108

The two subtotals add to 162+108 = 270 players overall.

If we were to subtract 12 from team 1, and add 12 to team 2, then,

team 1 new count = 162-12 = 150team 2 new count = 108+12 = 120

The ratio 150:120 then reduces to 5:4 when we divide both parts by the GCF 30. This helps confirm we have the correct answer.

Answer:

162 athletes108 athletes

Step-by-step explanation:

Each ratio can be expressed using two numbers that have the same sum. The sum in the first given ratio is 3+2 = 5, and in the second ratio, it is 5+4 = 9. The least common multiple of 5 and 9 is 45, so we can express both ratios so they have a sum of 45:

  3 : 2 = 3(9) : 2(9) = 27 : 18

  5 : 4 = 5(4) : 4(5) = 25 : 20

Here, we observe that the second ratio has numbers that look like 2 was moved from the numerator to the denominator. (27 -2 = 25; 18 +2 = 20) The problem statement tells us 12 athletes were moved, so multiplying the first ratio by 12/2 = 6 will tell us the numbers of players on each original team:

  first team = 27×6 = 162 athletes

  second team = 18×6 = 108 athletes

Please use the pic and help me :)

Answers

16

48 * (1/3), equals 16
She wants to be 1/3 Of(multiply)

Answer:

16 feet

Step-by-step explanation:

Since Breanna's mom's garden is 48 feet in length, we can multiply that by 1/3 or divide by 3 to get the length of Breanna's garden. 48 / 3 = 16, so the answer is 16 feet.

please help me with my math problems

Answers

Answer:

a yes

byes

and that was it your answer

If the distance between the wall and the bottom of the plywood was three feet, what was the distance between the floor and the top of the plywood?



What is 16−−√?

Answers

Answer: 4

Step-by-step explanation:

The square root of 16 is 4 , because 4 squared is 16.

Answer:

4

Step-by-step explanation:

*Brainly Deleted this Answer* Why?

Bots have answered this for the past two times but I still need help. The question is below.

Answers

Answer:

a. False

b. True

c. True

d. I think it's true

e. False

Step-by-step explanation:

a. The unit rate is 19.75 gallons per minute

b. It is true because when x=0 y is also equal to 0, therefore it passes through the origin

c. 19.75 is about 20, and 20 multiplied by 5 is 100

d. Like I said before I don't know but I hope you get it correct ._.

e. When x=8 the equation would be 19.75*8 which is equal to 158 not 150

False
True
true
true
False

What is the perimeter of the square?





A. 17 ft
B. 34 ft
C. 48 ft.
D. 68 ft.

Answers

Answer:

P = 68 ft

Step-by-step explanation:

The perimeter of a square is given by

P = 4s  where s is the side length

P = 4(17)

P =68

P = 68 ft

Answer

D 68 ft.

Step-by-step explanation:

PLEASE HELP I AM TIMED !

Answers

Answer:

the graph does not represent a function

The graph does not represent a function

Question about finding intercepts from a table. Hope someone can answer!

Answers

Basically you have to use the table to find the equation of the line, then plug in a point into x and y and the b you will get is your y-intercept.

Now if you are familiar with the equation of a line in slope intercept form, it will look like this: y=mx+b. Here the ‘m’ is the slope and the ‘b’ is your y-intercept. What you need to do is use any two points given from the table and find the slope. To do that follow the steps below:

1. Pick two points. Let’s take the first two.
(-28, -54) And (-21, -40)

2. Subtract the two y values, -40 - (-54) = 14
3. Subtract the two x values, -21 - (-28) = 7
4. Now take your answer from step 2 and divide it by your answer in step 3. This will be 14/7, which will be 2.

Your answer from step 4 is your slope, or ‘m’.
(That series of steps was basically change in y over change in x, you can look that up if you are still confused)

Now that you know m, your incomplete equation will be this:
y=2x+b.

Next you will pick any point from the table again, and replace it with x and y in the equation. Let’s pick the second point, (-21,-40)

Plug this in: -40 = 2(-21) + b
Solve for b and you will get your answer.
-40 = -42 + b
b=2
Your answer is 2, that is the y intercept.
(The full equation of the line from that table would be y=2x+2)

Hope this helps!

the equation of the line, then plug in a
point into x and y and the b you will get is
your y-intercept.
Now if you are familiar with the equation of
a line in slope intercept form, it will look
like this: y=mx+b. Here the 'm' is the slope
and the 'b' is your y-intercept. What you
need to do is use any two points given
from the table and find the slope. To do
that follow the steps below:
1. Pick two points. Let's take the first two.
(-28, -54) And (-21, -40)
2. Subtract the two y values, -40 - (-54)
14
3. Subtract the two x values, -21 - (-28) :
7
4. Now take your answer from step 2 and
divide it by your answer in step 3. This will
be 14/7. which will be 2.
Your answer from step 4 is your slope, or

A circle with radius 3 centimeters is cut from a square piece of felt.The sides of the felt square are 8 centimeter long. How much felt is left over? use 3.14 for π. Show your work.
please try to answer this asap

Answers

3.14 x 3 =9.42

8 x 4 = 32

32-9.42= 22.58cm squared

I think this is correct, I’m not sure

Find the total cost with sales tax.

Markup (tax) = percent markup (tax %) x original cost ($)

Total cost = original cost + sales tax


Courtney has $21.50 to buy a gift for her brother. She found a stuffed animal that costs $19.65. With 10.1% sales tax added on, what is the sales tax? What is the total cost of the stuffed animal with tax included? Will Courtney have enough money to buy the gift?

The sales tax is: $_________

The total cost is: $_________

Is it enough money?

Answers

Answer:

Sales tax: 1.98465 which in this case is $1.98 (take note that you can round and it would be $2)

The total cost: $21.63 so no, Courtney cant buy the stuffed animal :(

Step-by-step explanation:

You can find the sales tax by dividing 10.1 by 100 to get 1.984...then rounding that number to get $1.98 since we are working with money in this problem then we have to find the total cost by adding our sales tax ($1.98) to our original cost ($19.65) to get our FINAL answer of $21.63

Hope this helped!!!!!

(i would appreciate being marked brainiest but it is ok if you don't)

Riley started selling bracelets. During the first month she sold 400 bracelets at $10 each. She tried raising the price, but for every $0.50 she raised the price, she sold 8 fewer bracelets. What price should she charge in order to make the highest possible gross income?

Answers

Answer:

b 12.50

Step-by-step explanation:

The Answer would be 12.50
Other Questions
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