Mathematics High School

A DVD has a diameter of 14 centimeters. What is the area of the DVD? Round your answer to the nearest
hundredth. Use 3.14 for it.
The area of the DVD is about
1 cm?

Answers

Answer 1
The answer would be 153.94cm
Formula for the area of a circle is A=pi*r^2
Pi=3.14
R=14/2=7
A=3.14*7^2
A=153.94cm

Related Questions

Use the distributive property to rewrite the expression 5(4x. + 7)

Answers

Answer: The answer is 20x + 35

Step-by-step explanation: 5(4x+7) You multiply 5 in both numbers and you get 20x+35

Answer: 20x+35

Step-by-step explanation:

Multiply both terms in the parenthesis by 5. 4x times 5 is equal to 20x, and 7 times 5 is equal to 35.

Write the equation of the line that passes through the points (3,7) and (3,-8). Put
your answer in fully reduced point-slope form, unless it is a vertical or horizontal line.

Answers

Answer:

It a vertical line x=3.

Step-by-step explanation:

Hope this helps!

How do if find y=-3x+10 and y=-2+6?

Answers

Yep the other one is right it is (4,-2)

Complete the number sentence to solve. Eight girls share 7 sandwiches equally. How many sandwiches does each girl get? 7 ÷ = Each girl's share is of a sandwich.

Answers

Answer: Each girl gets 7/8 or 0.875 of the sandwich .  

Step-by-step explanation:

Number of sandwiches = 7

Number of people to share = 8

Therefore  Each girl gets =  7 ÷ 8= 7/ 8

Each girl gets 7/8 or 0.875 of the sandwich .  

(ANSWER ASAP!!!) "What percent of a dollar is represented by 6 dimes and 1 nickel"
A: 35%
B: 50%
C: 60%
D: 65%
(thank u for the person who answer(ed), hugs)

Answers

the correct answer is D.65

help nowwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww

Answers

Answer:

I beleive is is -2% because 5 is 2 more than 3

so then 5-2=3

Answer:

Error Is 100(2/3) 66.7%

Thirteen of the Unites States do not touch the ocean. What percent of the United States do not touch the ocean? HELP!

Answers

26 percent because 13/50 is 26

Decimal Place Question!! Please help :(
3.9931 rounded to 1 decimal place
Only answer if your positive your answer is correct :)

Answers

Answer:

4.0

Step-by-step explanation:

Given that

3.9931

Now rounded to one decimal places

3.9931 = 4.0

So the above value would be rounded to one decimal places after rounded off it comes 4.0

i need help on this question can anyone please help me

Answers

9514 1404 393

Answer:

  p = -9 5/9

Step-by-step explanation:

Undo what is done to p.

Multiply by 2.

  p +10 = 4/9

Subtract 10.

  p = 4/9 -10

  p = -9 5/9

a boy walks x meter in 6 min. how many meter can he walk in 1 hour​

Answers

Answer:

10x I think

cause X divide by 6 is X/6

then X/6 x 60min(1h) is 60x/6 which is 10x

hope this helps:))

pls help I don't understand!

Kara is painting flowerpots. She uses 1/3 cup of paint for each flowerpot.
How many cups of paint does Kara use for 2 flowerpots? Show or explain how you got your answer.

Answers

Answer:

2/3

Step-by-step explanation:

1/3 x 2/1 =2/3

if she uses 1/3 for one we just have to double it to get the answer

Answer:

2/3

Step-by-step explanation:

if she uses 1/3 for one she uses 2/3 for 2 because 1/3 times 2 is 2/3

step 1 Address formula, input parameters & values

1/3 and 2/1

1/3 times 2= ?

step 2 Multiply both numerators

= 1 x 2

= 2

step 3 Multiply both denominators

= 3 x 1

= 3

step 4 Use above values of step 2 & 3, and rewrite as below

= 2/3

thus, 2/3 is equivalent fraction for 1/3 times of 2.

Q4 - Exam prep: Missing values
Audrey measures all 7 pencils in her pencil case and writes the first 6 lengths down.
12.4 cm, 12.6 cm, 13 cm, 13.4 cm, 13.5 cm, 13.3 cm
Audrey calculates the mean length of all 7 pencils to be 13.1 cm.
Find the length of the missing pencil.
cm
[2]

Answers

Answer:

the missing pencil length is 13.5 cm

Step-by-step explanation:

The computation of the length of the missing pencil is shown below:

Let us assume the missing pencil be x

Now

(12.4 cm + 12.6 cm + 13 cm + 13.4 cm + 13.5 cm + 13.3 cm + x) ÷ 7 = 13.1 cm

(78.2 cm + x) ÷ 7 = 13.1 cm

78.2 cm + x = 91.7 m

So, x would be

= 91.7 cm - 78.2 cm

= 13.5 cm

hence, the missing pencil length is 13.5 cm

A shop has a sale of 25% off all items in stock.
If the original price of a dress is £80 what would be its sale price?

Answers

Answer:

£60

Step-by-step explanation:

25% off

80 × 25/100

= £20

£80 -£20

= £60

I need help if you get it right I will mark brainliest pls

Answers

the answer is.......5/3

Hi! Please help.. will mark brainliest!!

Answers

Answer:

2

Step-by-step explanation:

Okay...I might be misunderstanding

but since it's from 5 to 7 it should be 2 units long

Answer:

2

Step-by-step explanation:

What is seven decreased by the square root of twenty five

Answers

Answer:

2

Step-by-step explanation:

first step: simplify the problem to get 5

Second step: 7-5=2

Answer: 2
Explanation: The square root of 25 is 5 because 5 times 5 is 25. If you take 7 and decrease (subtract) it by 7 you will end up with 2

8 +1 + 10 + 7 + 10 + 6 = 42
What is the average value?

Answers

7

Explanation:
Add up all the numbers
8 + 1 + 10 + 7 + 10 + 6 = 42
Divide the total by the amount of numbers add together. (6)
42/6
Which gives you 7.

Step-by-step explanation:

it's average value is 7 which is shown as solved given

Help Plz
WIll mark brainliest

Answers

Answer:

y=+|x-3|

Step-by-step explanation:

We know it is positive because it is expanding upward. So +. We know it is x-3 because if it is inside the absolute value signs, the constant(-3 in this case) is opposite. So it is 3. And 3 matches with the vertex of the graph. And the ending is 0, so I omitted it bc its still on the x intercept, meaning it has a y value of 0.

Answer:

fam good luck

Step-by-step explanation:

y is directly proportional to x.
When y = 30, x = 6
a) Work out an equation connecting y and X.
b) Work out the value
of y when x = 12.

Answers

Answer:

Step-by-step explanation:

Did you find the answer

24.
Tyannah purchased 4 dozens of eggs for $50.00. She sold each egg for
$2.00. How many eggs must she sell to make a profit of $34.00?​

Answers

Answer:

I think it would be 17 because 34 ÷ 2 = 17

15 points
What is the equation of the graph below?

Answers

We need to see all the given answers

Kevin went to the movie theater for his birthday. A mix of adults and children attended, making a total of 19 people. Each adult ticket was $9 and each child's ticket was $6. If the total cost for the party was $153, how many adults and how many children went to the theater?​

Answers

Answer:ddeeececdshcbd

Step-by-step explanation:

curcirjcirvirvnr

It would be 13 adults and 6 children because 13x9 would be 117 and 6x6 would be 36 and 36+117 would be 153 :)

Can someone pleaseeee help and if you’re correct I’ll give u brainliest

Answers

Answer:

The answer is b

Step-by-step explanation:

If you are good at geometry pls help

Answers

bro copy the whole problem and paste it in brainly you’ll get the right answer works every time !!!!

PLEASE HELP IM RUNNING OUT OF POINTS

Answers

Answer: 16-p=C

Step-by-step explanation:

p is price of the wallet and it has to be either less than or equal to the 16 dollars spending money. And that result will equal C which represent the change or what's left after spending unknown amount from 16

please help will give brainliest to right answer

Answers

Answer:

The answer is 138cm²

Step-by-step explanation:

(10x7)+(10x4)+(7x4) The formual is (LxW)+(LxH)+(WxH) please brainliest me

Find the number of solutions of the equation 2g2 + 4g + 10 = 0 by using the discriminant.

Answers

Answer:

Step-by-step explanation:

The discriminant of ax^2+bx+c=0 is b^2-4ac, in this case

4^2-4(2)10

16-80

-64

Since -64<0 there are two imaginary (or ‘complex’) solutions.

Note: if d=0, there is one real solution. if d>0, there are two real solutions.

Help please! Correct answers only <3

Answers

Answer:

6.1

Step-by-step explanation:

is the answer

When you flip a baised coin the probability of getting tail is 0.75 How many times would you expect to get tails uf you flip the coin 320 times?

Answers

Answer: 60

How?: Well, we know that we have a 0.75 chance for tails. And on a coin, there is heads and tails. So, we multiply 0.75 (tails) by 320 and then divide that by 4. We do this because there is a 0.75 and 1 = 1.00. 1.00 - 0.75 = 0.25. 0.25 = 60

Answer:240

Step-by-step explanation:

Can someone pls help me on this

Answers

CF is 7

Step-by-step explanation:

GE is 10 and they have to be equal so 10-3 is 7

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