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

A box of cereal states that there are 99 calories in a 3/4 cup serving. What is the unit rate for calories per cup? How many calories in 4 cups of cereal

Answers

Answer:

Hello There!

According to the question,

It is said that we have to find calories in 4 cups.

First we have to find in each cup.

So

[tex] \frac{3}{4} \times x = 99 \\ \\ so \: x = 99 \times \frac{4}{3} \\ \\ [/tex]

simplify 99 and 3 then it will look like

[tex]33 \times \frac{4}{1} [/tex]

1 has no value so 33×4=132 calories

Now it is in each cup or 1 cup.

To find in 4 cups, multiply 132×4

[tex]132 \times 4 = 528[/tex]

So 528 calories is the answer.

[tex]\Large\textsf{Hope \: It \: Helped}[/tex]

(4 x 5) ( 4 x 9)
i need help

Answers

Answer:

(20) (36) this is your answer bro

Since the sanctuary was established, the estimated population of American robins in the area has increased from 86 to 102.
Describe the percent change in the estimated population of American robins. Round to the nearest whole percent.
Enter your answer in the box to complete the sentence.

Answers

Answer:

15.7%

Step-by-step explanation:

102-86=16

(16*100)/102

The ratio of the interior angle measures of a triangle is 2:3:5. What are the angle measures?

In order from the smallest angle to the largest angle, the angle measures are __°, __°, and __°.
Show all steps.

Answers

Answer:

36:54:90

Step-by-step explanation:

you add all the parts together (2+3+5) which is 10. then you divide 180 by 10 because angles in triangle add up to 180. so 18 is one part

then you just times 18 by each part in the ratio

(TWO PART QUESTION - please answer both)
!! WORTH 60 POINTS !!

A recipe for cake calls for 3/4 cup of sugar and 2 cups of flour.

a. How much sugar would be needed for 1 cup of flour?

b. Write an equation to represent the relationship between s ; sugar, and f ; flour.

Answers

A: 3/8 cups of flower

B: flower(f) sugar(s)
S=3/8F

help plz:
14. Factor the following:
a. x^2 - 25
b. y^2 - 36
c. x^2 - 14x + 13
d. s^2 + 7s + 10

Answers

Answer:

a.(x+5)(x-5) b.(y+6)(y-6) c.(x-1)(x+13) d. (s+2)(s+5)

Step-by-step explanation:

Sorry no step for c and d

for a 25 is a perfect square 5*5=25 -5*5=-25

for b it's same

sorry I'm rushing

Answer:

Its A i do believe

Step-by-step explanation:

when keisha installed a fence along the 200 feet perimeter of her rectangular back yard she left and opening for GATE in diagram below she used X to represent the length of the gate (I give brainliest)

Answers

Answer:

(x + 60 + 30) * 2 = 200

(x + 90) * 2 = 200 multiply 2 inside parentheses

2x + 180 = 200 move 180 to the other side with changing it's sign

2x = 20 multiply by 2

x = 10 here is the answer

Step-by-step explanation:

Perimeter = (length + width) * 2

Hope this helps.

Answer it will help u sure

The peaches are priced at three for $2. How much does one dozen cost? Write an equivalent ratio to find the answer. Show your work.

Please show examples how you get the answer :) Thank you I would really need help!

Answers

Answer:

12 peaches = $8

Step-by-step explanation:

3 = $2

12 / 3 = 4

4 x $2 = 8

12 = $8

Answer:

8.00$

Step-by-step explanation:

If Three Peaches = 2.00$. Then 3 ÷ 12 = 4×2

8.00$

P.S A dozen is Twelve

The bottom of a ladder must be placed 5 feet from a wall. The ladder is 18 feet long. How far above the ground does the ladder touch the wall?

Answers

Answer:

The ladder meets the wall at 17.29 feet from the ground.

Step-by-step explanation:

Pythagorean Theorem ⇒ a^2 + b^2 = c^2

5^2 + b^2 = 18^2

25 + b^2 = 324

b^2 = 299

b = 17.291616

13 feet pal now go get ‘em

please solve the following problem and show how u got it

Answers

Answer:

a. 15mph

b. 10mph

c. 12mph

Step-by-step explanation:

a. 30/2=15

b. 30/3=10

c. 30+30=60

60/5=12

i think it's right, hope that helped

a15
b10
c12
these are the answers....

Could someone show me the streamline for this problem? The answer is 909, but I'd like to know how

1000-100+10-1

Answers

Answer:

1000-100=900,900+10=910,910-1=909

Step-by-step explanation:

Hey there!

1,000 - 100 + 10 - 1

1,000 - 100 = 900

= 900 + 10 - 1

900 + 10 = 910

= 910 - 1

= 909

Thus that’s why 1,000 - 100 + 10 - 1 is most likely equal to 909

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)

What is the ratio of the area of the triangle to the area of the rectangle?


A. 2
B. 1
C. 1/2
D. 2/1

Answers

C

We can see that both triangles occupy exactly half of the rectangle each, so the area of one triangle is half of the area of the rectangle
C is definitely the answer

Jose goes out to lunch. The bill, before tax and tip, was $10.45. A sales tax of 8% was added on. Jose tipped 17% on the amount after the sales tax was added. What was the total cost of the meal, plus tax and tip? Round to the nearest cent.

Answers

$13.20 $10.45x1.08=$11.28 $11.28x1.17=$13.20
ANSWER: $13.21

Find 8% of 10.45 then add the answer to 10.45 to get how much it cost after the sales tax.

8% of 10.45 = 0.836

Add 0.84 to 10.45

The answer is 11.29

Now take 17% of 11.29 and add it to 11.29. We are taking 17% of 11.29 because it said he tipped after the sales tax was added.

17% of 11.29 = 1.92

11.29 + 1.92 = 13.21

Hope this helps and makes sense. If you have more questions feel free to ask

Delores has at most $500 for entertainment throughout the month. If she spends $45 per week on eating out and $25 each week on movies, what's the most amount she can spend on other entertainment throughout the month?

Answers

Answer:

The answer would be 280

Step-by-step explanation:

If there are about 4 weeks in each month and she eats out every week for 45 dollars.

45x4=180

and if she goes to the movies each week at 25 dollars do the same thing.

25x4=100

when you add the two sums together

180+100=280

finally you subtract 280 from the original number,

500-280=220

so delores would have 220 dollar left over for other activities.

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 . If a customer paid 120 dollars , how many international minutes did they use ?

Answers

Answer: The answer would be 950 international minutes. Only if assuming that this is in one month since the question doesn't give much detail.

Step-by-step explanation:

X would be used to represent the number of months.

25+0.10x=120

0.10x=95

950 international minutes used

Answer:

950

Step-by-step explanation:

An equation to model this scenario would be: y = 0.1x + 25

y would mean the amount of money paid depending on x, which is the number of minutes.

In this problem, we know the amount of money. So we know y is 120.

We can then put 120 into the equation to find x.

120 = 0.1x +25  

95 = 0.1x

x = 950

Therefore, x is 950.

Write an algebraic expression to find the number of seconds in n minutes.


n ÷ 60
60 + n
60 ÷ n
60n

Answers

Answer:

60n

Step-by-step explanation:

The answer will be 60N

pls help! i need this done in less than 20 minutes!

Answers

Answer:

46 units

Step-by-step explanation:

So first of all you do 8 × 2 which equals 16 units, then you do 15 × 2 which equals 30 units, then you 30 + 16 which equals 46 units. Hope this helps.

46 units
is the answer

Kevin plays quarterback on the football team. The table shows the number of passes he threw and the number of passes he completed in four games. In which game did Kevin complete passes at the highest rate?

Answers

Answer:

Game 2

Step-by-step explanation:

Game 1: 15/25 = 60%

Game 2: 10/15 = 67%

Game 3: 15/30 = 50%

Game 4: 12/20 = 60%

please help me ! I will give 20 points ! ( also have a great day :> )

Answers

Answer:

343

Step-by-step explanation:

7 * 7 * 7

7 * 7 = 49

49 * 7 = 343

A number is divided by 50 has a quotient of 12 with a remainder of 16. What is the number?

Answers

Answer:256 i think

Step-by-step explanation:

Hope this helped

Jacki evaluated the expression below.

2 cubed (3 minus 1) + 4 (8 minus 12) = 2 cubed (2) + 4 (4) = 8 (2) + 16 = 16 + 16 = 32.

What was Jacki’s error?
Jacki should have simplified the exponent first.
Jacki should have multiplied 4 and 8 first.
Jacki did not subtract 12 from 8 correctly.
Jacki should not have multiplied 8 and 2

Answers

Answer: Jacki did not subtract 12 from 8 correctly

Step-by-step explanation: it should be -4

Answer: C

Step-by-step explanation:

Jacki didn’t subtract 12 from 8 correctly he was suppose to get a negative and not 12

A line passes through (2, 8) and (4, 12). Which equation best represents the line?
1. y = 1/2x + 6

2. y = 2x + 7

3. y = 2x + 4

4. y = 1/2x + 10

Answers

y=2x+4 because we’re moving up 2 units for every unit we move to the right, and if we plug 0 in for X we end up with the +4
I would say 3 (I am not completely positive, I am not that smart with graphs)

X: (2 + 4) / 2 Equals: 3
Y: (8 + 12) / 2 Equals: 10
Then multiple 3 by 2 get 6, add four, you get 10 which is equal to Y

A farmer wants to increase the area of his rectangular pen but keep the pen a rectangular shape. He decides to add 2 1/2 feet of fencing to the width of the pen, but the length will remain 9 1/4 feet. The new area will be 108 3/4 square feet.

Which equation can be used to determine the original width, w, of the pen?


9 1/4(w+2 1/2)=108 3/4

9 1/4w+2 1/2=108 3/4

2 1/2(w+9 1/4)=108 3/4

2 1/2w+9 1/4=108 3/4

Answers

91/4(w+21/2)=108 3/4

Answer:

914(w+212)=10834

Step-by-step explanation: I took the test

x = 2 y = 3 z = 4

Evaluate the Expression using the solutions above: 9x + y

21

95

9

56

Answers

Answer:

95

Step-by-step explanation:

For example, let's say with have the equation

x

+

5

When

x

=

1

, then

x

+

5

=

6

When

x

=

2

then

x

+

5

=

7

Hope that was helpful.

The answer is 21!!!! Good luck!

I have a picture of my question please answer this
Thanks a lot for all your help

Answers

Answer:

12p = 420

Step-by-step explanation:

12p is 420 hope that helps

On the first visit to the veterinarian's office, Cora's kitten weighed 550 grams. On the second visit, the kitten had gained 350 grams. On the third visit, the kitten had gained another 300 grams.
What is the percent increase since the first visit in the kitten’s weight rounded to the nearest percent?


PLSS HELPP

Answers

Answer:

On first visit, weight =550 g

Weight gained on second visit= 350 g

Weight gained on third visit= 300 g

Present weight=550+350+300= 1200

Weight gained=1200-550=650

Percentage of weight increased

-------->650/550 × 100 = 118.18\%

So the kitten gained 118% weigh

Step-by-step explanation:

when keisha installed a fence along the 200 feet perimeter of her rectangular back yard she left and opening for GATE in diagram below she used X to represent the length of the gate

Answers

Perimeter of her rectangular back yard is: 200 ft

⇒ 2(30 + 60 + x) = 200

⇒ 30 + 60 + x = 200/2 = 100

⇒ 90 + x = 100

⇒ x = 100 - 90 = 10

ANSWER: A.10

Ok done. Thank to me :>

Pls help i don't get this. I will give brainliest
Rick paints a circular table that has a diameter of 16. What is the area of the table?

Answers

Answer:201.06

Step-by-step explanation:

area of a circle = [tex]\pi[/tex][tex]r^{2}[/tex]

Radius of table = d/2 = 16/2 = 8

The area of the table = 8^2 x [tex]\pi[/tex] = 64[tex]\pi[/tex] = 201.06 (2.d.p)

The area of the circular table is 201.06

Math homework ! Please help.

Answers

22

Hope this helps!!!

Answer:

perimeter-22 yards please give brainliest!!

Step-by-step explanation:

count the squares on the OUTSIDE of the shape all around, and you'll get 22! dont worry about the coordinate points; they're just there to confuse you!! the answer is 22. please give brainliest!!

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

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