If the circumference of a circle is 319 meters, find the diameter

Answers

Answer 1
The formula for the circumference of a circle is:
C = 2(π)(r)

Here, you are given 319 as the C, so plug that into the equation.
319 = 2(π)(r)

Now solve. Divide both sides by 2π.
159.5/π = r
50.8 = r

The radius is half the diameter, so to find the diameter, jusy multiply the radius by 2.
50.8 × 2 = 101.6
d = 101.6

The diameter of the circle is 101.6.
Answer 2
When I did all the math I got 101.5408. I didn't know where to round.

Related Questions

256804 to nearest hundred thousand

Answers

is this the question (2,568.04 to the nearest thousand or is it 256.804 to the nearest thousand?)

I believe if you round up the answer would be 300,000

I need the answer to RACING in Blue

Thanks

Answers

I'm not up to this in math yet, but I'm guessing you add all the numbers together?

in order for Brady to earn a b in his biology course, his test scores must average at 80%. ON the first 5 tests, he has an average of 77%. There is one test remaining in the course. What is the minimum score Brady needs to earn on the last test to receive a b in the class?

Answers

In order for him to have a 77% on his first 5 tests, that means the total amount of points earned on those 5 tests was 385 points out of 500 points.
(77*5 out of 5*100 points)
So if we want to add a test and have a 80% average this is what we have to do:
(385+x)/6 = 80 (multiply by 6 on both sides)
385 + x = 480 (minus 385 on both sides)
x = 95

Answer:

Brady needs to earn a 95% on the final test

Step-by-step explanation:

Hello, great question. These types are questions are the beginning steps for learning more advanced Algebraic Equations.

Before we can actually solve this we need to create a formula that calculates the grade of the last test in order to get an average of 80%. Since he got a 77% average for his first 5 tests, we can multiply 0.77 by 5, add the final test and then divide by the total amount of tests taken. Like so,

[tex]0.80 = \frac{(0.77*5)+x}{6}[/tex]

[tex]0.80 = \frac{3.85+x}{6}[/tex] .... multiply both sides by 6

[tex]4.8 = 3.85+x[/tex] ... subtract both sides by 3.85

[tex]0.95 = x[/tex]

Finally, we can see that Brady needs to earn a 95% on the final test in order to increase his overall average to 80%.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

Greatest common factor or 60 and 20

Answers

To find the greatest common factors of these 2 numbers, first write them as product of prime numbers.

(a prime number is a number whose only factors are 1 and themselves, for example: 2, 3, 11 ...etc)

To write the numbers as product of prime factors, just divide them continuously until all factors are primes:


[tex]60=6\cdot10=(2\cdot3)\cdot(2\cdot5)=2\cdot2\cdot3\cdot5\\\\20=2\cdot10=2\cdot(2\cdot5)=2\cdot2\cdot5[/tex]


The greatest common factor, must contain the largest number of common factors found in both numbers which are 2- 2's and one 5


So the greatest common factor is [tex]2\cdot2\cdot5=4\cdot5=20[/tex]

Answer: 20

The greatest common factor of the numbers 60 and 20 is 10.

We have,

To find the greatest common factor (GCF) of 60 and 20, we can list the factors of both numbers and identify the largest factor they have in common.

The factors of 60 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60.

The factors of 20 are: 1, 2, 4, 5, 10, 20.

From the list above, we can see that the common factors of 60 and 20 are 1, 2, 4, 5, and 10.

Among these common factors, the largest one is 10.

Therefore,

The greatest common factor of the numbers 60 and 20 is 10.

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Please help me out with this

Answers

The numbers in the chart are -7.1, -3.4, -1.2, 2.1, and 3.4. So, from greatest to least the numbers will be:

3.4, 2.1, -1.2, -3.4, and then -7.1.

With absolute value, the numbers from greatest to least are: 

|7.1|, |3.4|, 3.4, 2.1, |1.2|.

However, this is assuming that Friday is 3.4, which was given information on the last question. Hope this helps!

twice a number (x) is less than 10

Answers

2x < 10

Solving:

Divide each side by 2

x < 5

Hope this helps!

how does a digit in the ten thousand place compare to adigit in the thousand

Answers

A digit in the ten thousand place is 10x times larger than a digit in the thousands place. 
We can see that here- 1,000 x 10 = 10,000

Naomi is two-thirds as tall as her father. If Naomi is 54 inches tall, how tall is her father?

Answers

54/2*3
=27*3
=81
answer is 81 inches

Answer:

Naomi's father is 81 inches tall.

Step-by-step explanation:

Naomi is two-thirds as tall as her father.

Let "x" be the Naomi's father height.

Naomi is 54 inches tall.

[tex]\frac{2}{3}.x = 54[/tex]

We need to solve for x.

To solve for x, multiply both sides by the reciprocal of [tex]\frac{2}{3}[/tex].

The reciprocal of [tex]\frac{2}{3}[/tex] is [tex]\frac{3}{2}[/tex].

[tex]\frac{3}{2} . \frac{2}{3} . x = 54.\frac{3}{2}[/tex]

x = [tex]54.\frac{3}{2}[/tex]

x = 27.3

x = 81

So, Naomi's father is 81 inches tall.

Find the greatest factor of 70, 30 and 50

Answers

The greatest common factor is 10

PLS HELP!!!!!
Which pair of fractions shows 5/6 and 3/8 correctly converted with their least common denominator? A. 5/48 and 3/48 B. 40/48 and 18/48 C. 5/24 and 3/24 D. 20/24 and 9/24

PLS HELP!!!!!

Answers

B but I may be wrong but I hope I heped

Write 64,500 in scientific notation

Answers

6.45 x 10 to the 4th. 

What is 23.3 divided by 119?

Answers

it think it is .12 hope it helps
It is .1170, but rounded it would become .12

round 5370288 to the nearest 100,000

Answers

5400000 because 7 is after three so it turns to 4
Salutations!

Round 5,370,288 to the nearest 100,000

To round the number to the nearest hundred thousands, you need to know whether the number next to hundred thousands is greater than 5 or lesser than 5. If it's greater than 5, round up by adding plus 1 to the hundred thousands place. If it's lesser than 5, round down by adding zeros accordingly.

5,370,288 rounded to the nearest thousands is 5,400,000.

Hope I helped :D

How can the statement be written as a conditional statement in if-then form? Lines on a coordinate plane are perpendicular if they have opposite reciprocal slopes.
A) If lines on a coordinate plane have opposite reciprocal slopes, then they are perpendicular.
B) If lines are on a coordinate plane, then they are perpendicular.
C) If lines are on a coordinate plane, then they have opposite reciprocal slopes.
D) If lines have opposite reciprocal slopes and are perpendicular, then they are on a coordinate plane.

Answers

the answer IS A. got it right on e2020

Final answer:

The correct conditional statement in if-then form for the given statement is 'If lines on a coordinate plane have opposite reciprocal slopes, then they are perpendicular', which is option (A).

Explanation:

The given statement can be written as a conditional statement in if-then form: 'If lines on a coordinate plane have opposite reciprocal slopes, then they are perpendicular'. This represents the option (A). Here, the 'if' part presents the condition of lines on a coordinate plane having opposite reciprocal slopes, and the 'then' part gives the conclusion that they are perpendicular. It's called conditional since the conclusion depends on the condition being true.

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The minimum height for riding on the Super Screaming Spinner at the theme park is 52 inches. Which of the following expressions shows the height to ride?

A. h < 52
B. h ≤ 52
C. h > 52
D. h ≥ 52

Answers

Answer:

D )Expression for height to ride is h ≥ 52

Step-by-step explanation:

Given : The minimum height for riding on the Super Screaming Spinner at the theme park is 52 inches.

To find : Which of the following expressions shows the height to ride.

Solution : We have given that

Minimum height of spinner = 52 inches.

It state that  height of spinner for riding at least  52 it mean it must be 52 or greater than 52

Therefore, D )Expression for height to ride is h ≥ 52

Answer:  Option 'D' is correct.

Step-by-step explanation:

Since we have given that

The minimum height for riding on the Super Screaming Spinner at the theme park is 52 inches.

So, Let the height to ride be 'h'.

We have mentioned that value of h is must be greater than or equal to 52 inches.

So, it becomes,

[tex]h\geq 52\ inches[/tex]

Hence, Option 'D' is correct.

Chase answers 3/4 of his math questions correctly. There were 40 questions on the test.

a. How many did he get right?

b. How many did he miss?

Answers

1. find out how many 4thrs make up 40 which 10 would be one 4 so he would have 30 right and 10 wrong because together 30 + 10=40 which is the whole amount

What is 5.3 divided by 0.2

Answers

26.5 is the answer have a nice day!
Final answer:

5.3 divided by 0.2 is equal to 26.5.

Explanation:

To calculate 5.3 divided by 0.2, you can divide the numerator (5.3) by the denominator (0.2). In this case, 5.3 divided by 0.2 is equal to 26.5.

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Translate into an algebraic expression:

How old Steve will be in 2 years if k years ago he was w years old?

Answers

to find his current age we need to add his age back then and the amount of years.

k + w is his current age.

We need to find his age 2 years in the future.

k+w+2 is your answer

Hope this helps!

What is the value of p? 3+17p=−32−11p

Answers

3+17p=−32−11p
17p + 11p = -32 - 3
28p = -35
    p = -35/28
    p = -5/4
or 
    p = -1 1/4

The value of p in this equation 3 + 17p = -32 - 11p is -5/4. To find the value of p, we need to solve the equation: 3 + 17p = -32 - 11p

First, let's gather all the terms involving p on one side of the equation:

17p + 11p = -32 - 3

Now, combine the p terms:

28p = -35

Now, isolate p by dividing both sides of the equation by 28:

p = -35 / 28

To simplify the fraction, we can divide both the numerator and denominator by the greatest common divisor (GCD) of 35 and 28, which is 7: p = -5/4

So, the value of p is -5/4.

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Which expression is not equivalent to the others? Explain your reasoning.
_-1/4 -1/4 1/-4 _-1/-4

Answers

The expression that is not equivalent it the last one:  -1/-4
The rest of the expressions are equal to: -0.25
The last one is: 0.25

The reason it is not equivalent is because it is a negative divided by a negative whereas the rest are a negative divided by a positive. A negative divided by a negative will equal a positive. It was the only positive integer in the expressions listed above. Thus, the answer is: -1/-4

Solve for x.
6x - 2 = x - 2
--------
4


The 6x - 2 is divided by 4

Answers

[tex]\frac{6x-2}{4}=x-2[/tex]
multiply both sides by 4
6x-2=4(x-2)
6x-2=4x-8
minus 4x both sides
2x-2=-8
add 2 to both sides
2x=-6
divide both sides by 2
x=-3

Chris wants to order DVD’s over the internet.Each dvd cost $15.99 and shipping the entire order costs $9.99.If he can spend no more than $100,how many DVD’s could he buy (please so all work)

Answers

Answer: There are 3 DVD s that can be bought with under $100.

Step-by-step explanation:

Since we have given that

Cost of DVD = $15.99

Cost of Shipping = $ 9.99

Total cost per DVD would be

$15.99 + $9.99 = $ 25.98

Amount he has to spend no more than $ 100.

So, number of DVDs would be

100 ÷ 25.98 = 3.84

Hence, there are 3 DVD s that can be bought with under $100.

Chris can order 3 DVDs over the internet, if he spent $100.    

Given here,  

Cost of DVD = $15.99  

Shipping Cost = $ 9.99

Amount spend = $ 100.

Total cost per DVD,  

$15.99 + $9.99 = $ 25.98

 

So, number of DVDs would be buy,  

100 ÷ 25.98 = 3.84

Therefore, Chris can order 3 DVDs over the internet, if he spent $100.

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Which numbers are a distance of 3 units from 12 on the a number line?

A. 3 & -15
B. 15 & 9
C. 0 & -9
D. 3 &12

Answers

it would be B, hope i could help out.
B is the correct answer
hope this helps

A train travels 558 miles in 3 hours. At this rate, how far does the train travel per hour?

Answers

558 divided by 3 = 186 answer is 186mph
[tex]3 hours = 558 miles 1hour = x miles Cross multiply 3x = 558*1 3x = 558 Divide both sides by 3 3x/3 = 558/3 x= 186 [/tex]


I hope I helped!

When Mr. J. Raff took his two children to the zoo, their tickets cost $8.75. The next family in line was Mrs. Ella Fant with Grandpa and the five Fant kids. Their tickets cost a total of $19.75. How much does the zoo charge for each adult and for each child?

Answers

A + 2K = 8.75
2A + 5K = 19.75
Change the first expression so that we can subtract the As
2A + 5K = 19.75
2A+4K= 17.50
If the signs are the same, subtract one expression from another
K= 2.25
substitute K into any expression to get A
A+4.50= 8.75
Subtract 4.50
a=4.25


K=$2.50
A= $4.25


Final answer:

The zoo charges approximately $4.42 for each adult and $0.92 for each child.

Explanation:

To determine the cost of an adult ticket, we can subtract the cost of the children's ticket from the total cost. Let's set up a system of equations using variables for the cost of an adult ticket (a) and the cost of a child ticket (c):

a + 2c = 8.75

a + 5c = 19.75

Multiplying the first equation by 5 and subtracting the second equation from it, we get:

5a + 10c - a - 5c = 43.75 - 19.75

4a + 5c = 24

Now we can solve this system of equations to find the values of 'a' and 'c'.

Multiplying the first equation by 4 and subtracting the second equation from it, we get:

4a + 8c - 4a - 20c = 35 - 24

-12c = -11

c = -11 / -12

c = 11 / 12

Substituting the value of 'c' back into the first equation, we get:

a + 2 * (11 / 12) = 8.75

a + 11 / 6 = 8.75

a = 8.75 - 11 / 6

a = 53 / 12

So, the zoo charges approximately $4.42 for each adult and $0.92 for each child.

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What is 11 divided by 3

Answers

11÷3= 3 2/3
There would be a remainder which goes on and on as a decimal.. so you need to write it as a mixed number instead..

What is 1/8 in decimal form?

Answers

The answer is 0.125. Hope this helps

The ratio of the side length of Square A to the side length of Square B is 4:9. The side length of Square A is 12 yards. What is the perimeter of Square B?

Answers

A/B : 4/9 = 12/B
         cross multiply
         (4)(B) = (9)(12)
         4B = 108
         B = 108/4
         B = 27

P = 4a...where a is the length of one side
P = 4(27)
P = 108 yds <=== perimeter of square B
         

12(x-17) rewrite the expression without using grouping signals

Answers

Grouping signals means parentheses so we need to distribute:

12x - 204

Hope this helps!
you have to do the distributive property and you get 12x - 204

A polygon is regular if each of its sides has the same length. Find the perimeter of the regular polygon. #36

Answers

36) Answer: 3cm

Finding the value of x:
5 - 2x = -4x + 9
-2x + 4x = -5 + 9
2x = 4
x = 2

Finding one side of the triangle:
5 - 2(2)
= 1cm

Perimeter of the triangle:
1 x 3
= 3cm

The perimeter of the triangle is 3 unit.

What is a Triangle?

A triangle is a polygon with three sides, angles and vertices.

The triangle is classified into various types on the basis of the angle and on the basis of the equality of the length of the sides, as obtuse , acute and right angled triangle and scalene, isosceles and equilateral triangle.

A polygon is called regular if it has all sides equal.

The figure shows a triangle.

The two sides of the triangle are 5-2x and -4x+9

When all the sides of the triangle is equal, it is called an equilateral triangle.

5-2x = -4x +9

Taking the like terms on one side,

-2x +4x = 9 -5

2x = 4

x = 2

The measure of each side is,

5 - 2*2 = 1

-4x +9 = -4 * 2 +9 = 1

The side length is 1 unit.

The perimeter of a triangle is the sum of all sides, as all the sides are equal, the perimeter is equal to 3 * side.

Perimeter = 3 * 1

Perimeter = 3 unit.

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