The circular opening of a tunnel
has a circumference of 42
meters. Which equation can be
used to find d, the diameter of
the tunnel opening?

Answers

Answer 1

Answer:

2(21/pi)=d

Step-by-step explanation:

The formula for a circumference is C=2(pi)(r) in this case we know our circumference is 42 meters so 42=2(pi)(r), we must leave our radius by itself so we divide by 2 to get 21=pi(r) we then also divide by pi which will get us 21/pi=r and we know that the diameter is double of the radius so we just double which will then be 2(21/pi)=d


Related Questions

If p<0,q>0 and q=r what statement about is r true

Answers

Answer:

hell no

Step-by-step explanation:

bbbb

kids is that 500 5902.3 is equal to 519 when rounding off to the nearest ten she drop 2 to because it is less than 5 do you agree with answer explain your answer​

Answers

Answer:

5192.3 rounded off to nearest ten

Step-by-step explanation:

We get the number:

51903 dropped as a decimal fraction smaller than 12 dropped and replaced with zero as we round of to tenkids missed to replace 2 with zero and lost unit digits by doing that

TELL ME IF IM CORRECT

A coin is flipped 80
times. It lands tails 47
times. What is the Probability

Answers

1/2 or 50% because each flip of a coin is independent from the last and a fair coin has an equal probably of landing on either side.

Referring to the figure, the spinner is divided
into equal parts. What is the probability that the
spinner stops on a number whose ones digit is 2?

Answers

Answer:

1/6 is the probability.

There are only 2 out of 12 options that have a 2 at the one's place(2/12), which can be simplified into 1/6

A large bag contains 7/12 pounds of nails. How many 1/8 pound bags can be filled with this amount of nails?

Answers

Answer: 4 bags

Division is nessacery

7/12 divide by 1/8= 4.6666667

Full bags will be 4

Step-by-step explanation:

If Sergio does a job in 11 hours and with the help of Chloe they can do it together in 5 hours, how long would it take Chloe to do it alone?

Answers

Answer:

6 hours

Step-by-step explanation:

11 minus 5 is 6 hours.

Answer:

Here’s your answer!

Step-by-step explanation:

Division problem: 2.2 hours ( 11 divided by 5)

Subtraction problem: 6 hours ( 11 - 5)

Hope this helped

Plz mark Brainliest

Dont forget to smash that heart at the bottom <3

Have a great day!


Cheryl bought 16 pounds of apples for $12. How much did it cost per
Sund of apples?
$192
$0.75
$1.33
$28

Answers

Answer:

.75

Step-by-step explanation:

$12 / 16 = $0.75

$0.75 is your answer if you just multiply

if point E is located at 9 and point F is located at -8 what’s the distance between E and F

Answers

Answer:

17

Step-by-step explanation:

-8+8 = 0+9=9        -8 and 9 are 17 in between (8,9)

Vihat is half of 7 minutes 24 seconds?

Answers

Answer:

3 Minutes 42 Seconds

Step-by-step explanation:

Half of 7 minutes is 3 minutes and 30 seconds, half of 24 seconds is 12 seconds. If you add the halfed times together you get a total of 3 minutes 42 seconds.

square root of 1089 by long division​

Answers

Answer:

33 i think

Step-by-step explanation:

What is the answer to 0.2 × 10

Answers

Answer:

2

Step-by-step explanation:

Answer:

2

as the other person said

Divide.

(−1/5)÷(−4/5)

What is the quotient?

Enter your answer as a simplified fraction in the box.

Answers

5 : 1/6 = 301 = 30. Is the answer

The quotient from the expression (−1/5) ÷ (−4/5), in the simplified fraction is 1/4.

We have,

To calculate the quotient of the expression (−1/5) ÷ (−4/5), you can follow these steps:

- Invert the second fraction (divisor): (-4/5) becomes (-5/4).

- Multiply the first fraction (dividend) by the inverted second fraction: (-1/5) * (-5/4).

- Simplify the result if possible.

(-1/5) * (-5/4)

= (1 * 5) / (5 * 4)

= 5 / 20

Both the numerator and denominator have a common factor of 5, which can be cancelled out:

5 / 20 = 1 / 4

Thus,

The quotient in the simplified fraction is 1/4.

Learn more about expressions here:

https://brainly.com/question/3118662

#SPJ3

Simplify 4 + (−3 − 8).
options:


−15


−7


7


15

Answers

Answer:

B: -7

Step-by-step explanation:

-3-8=-11

4+-11

or

-11+4=-7

Answer:

-7

Step-by-step explanation:

Im not a good explainer more of a mental math genuis and a bad teacher

Write the equation of the line with x-intercept of -4 and y-intercept of 2. Hint:With those intercepts, (-4,0) and (0,2) are points on the line.

1.) -4x + 2y = 8
2.) 4x – 2y = -8
3.) 2x + 4y = 8
4.) 2x – 4y = -8

Answers

Answer

2.) 4x - 2y = -8

The equation of the line having an x-intercept of -4 and y-intercept of 2 is 2x - 4y = -8 so, option 4 is correct.

What is line?

A simple line in Euclidean geometry. A line, according to Euclid, is the distance between two points and can stretch forever in either direction. While Euclid's initial definition is now regarded as a line segment, such an extension in both directions is now thought of as a line.

Given:

The lines with an x-intercept of -4 and y-intercept of 2,

The coordinates can be written as (-4,0) and (0,2),

Write the equation of the line as shown below,

y - 2 = (2 - 0) / (0 - (-4)) (x - 0)

y - 2 = 2 / 4 x

y - 2 = 1 / 2 x

2y - 4 = x

x - 2y = -4 or 2x - 4y = -8

Thus, the equation of the line is 2x - 4y = -8.

To know more about the line:

https://brainly.com/question/2696693

#SPJ2

Which one ? Please help.

Answers

Answer:

B C D  are correct.

Step-by-step explanation:

a+b-c=r/t

So,

a=(t/r)-b+c therefore wrong

b=(r/t)-a+c therefore correct

c= (-r/t)+a+b therefore correct

d=t(a+b-c)

For a experimental to produce useful data, what must happen

Answers

Answer:

cr qe deobpaase r

Step-by-step explanation:

3 1/4 as in improper fraction

Answers

Answer:

13/4

Step-by-step explanation:

3 lots of 4 = 12.

Add 1 from the existing numerator.

Therefore, answer is 13/4.

Hope this helps :)

13/4. Multiply the denominator by then the whole number, then add the numerator. Keep the denominator. I hope this helps:)

maths is not my thing ​

Answers

Answer:

If you are looking for the number of faces/sides….

Step-by-step explanation:

1:6

2: 5

3: 8

4:5

5:5

6:5

Hope this helps

Dont forget to smash that heart at the bottom <3

Have a great day,you’re amazing !

Plz Mark Brainliest

Lmk if its right I’m not sure whether number 2 is 4 or 5

I haven’t done shapes in a while .-.

Write and solve an equation to find the unknown side length x
(in feet).

Perimeter =34.6
ft

Answers

Answer:

We want to find the value of 'x' and we are asked to set up an equation to find the value of x. In equation we must remember to get all the numerical values to one side and all the non-numerical values to the other while remembering to keep the equation balanced for example if we add 4 on one side we must do it to the other side to keep the equation balanced so, → x + 5.2 + 11.1 + 6.4 = 34.6 ⇒ Simplify equation → x + 22.7 = 34.6 ⇒ Minus 22.7 from both sides to isolate x → x = 11.9 feet

Step-by-step explanation:

mark brainliest

Answer:

1.08 feet

Step-by-step explanation:

5.2+6.4+11.1+x = 34.6

11.1x = 34.6 - 22.7

11x = 11.9

x = 11.9/11

1.08 feet

Overdraft protection can be set up to which of the following accounts?

a. Savings account
b. Credit Card
c. A line of credit
d. All of the above

Answers

The answer would be all the above

ok, got some year 12 maths.

whats 7+3

Answers

Answer:

.............It should be 10 :)

pls help me I'll give brainlest and points​

Answers

Answer:

See below.

Step-by-step explanation:

a.

O is the origin, so its abscissa is 0. O: 0

The only point 4 units from O is A, so A: 4

Point C has a positive abscissa like A.

Points B and C have opposite abscissas. The only opposites are -3 and 3, but C is positive, and B is negative.

B: -3

C: 3

D: -4.5

E: -6

M = (4 + (-6))/2 = -1. M: -1

b.

OB = |0 - (-3)| = |3| = 3

DA = |-4.5 - 4| = |-8.5| = 8.5

7: 8: 9 = .... : 12 : ....
plz help

Answers

Step-by-step explanation:

7:8:9=10.5:12:13.5.

hope this helps you.

Use mathdude it helps me with my math

A fast-food restaurant sells hamburgers and chicken sandwiches. On a typical weekday the demand for hamburgers is normally distributed with mean 313 and standard deviation of 57; the demand for chicken sandwiches is normally distributed with mean 93 and standard deviation 22.

Answers

Answer:

Cool can i come?

Step-by-step explanation:

Can somebody help me with social studies since nobody will?

Answers

Answer:

Yes! Sure I will, just follow me and I will follow you!

Then I get the notifications of your doubts.

Step-by-step explanation:

I love helping

The sum of two consecutive odd numbers Is 364. Find the larger number.

Answers

Answer:

183

Step-by-step explanation:

If they are two consecutive odd numbers, than these two numbers will be close to half of the sum (364).

364/2=182

Now Find the two odd numbers in between 182, which are 181 and 183.

I had this type of question a few times recently, and this method worked every time :).

Bonus information:

For two consecutive odd/even numbers, find the half of the sum.

For three consecutive odd/even numbers, start off by finding the third of the sum. And so on...

Hope this helped! :D

Sanderson Bhp finds that 30% of its costs are direct labor. Each week raw materials cost $2,000 more than twice this amount, and there is an overhead of 20% of direct labor costs. What are the company’s weekly costs?

Answers

Answer:

9375

Step-by-step explanation:

x=weekly cost

direct labor= 30/100*x

raw aterial= 2000+2*2000=6000

x=0.3x+6000+0.06x

x-0.36x=6000

0.64x=6000

64x=600000

x=9375

What is the greatest number of 2 digits?

Answers

Answer:

99 i think

Step-by-step explanation:

3 digit numbers start on 20 and end on 99

99 is the greatest two-digit number before the triple-digits.

The range of 2 digit numbers is 10-99; 10 being the start and 99 being the end, so 99 must be the greatest.

Order the numbers in each exercise from least to greatest
-1 2/3, 1.6, -1 4/5

Answers

Answer:

-1 2/3, 1.6, 1 4/5

Step-by-step explanation:

What is the value of the expression shown below? (4 points) 2 over 3 to the power of 2 + 5 × 2 − 4

Answers

Answer:

6 4/9

Step-by-step explanation:

2 over 3 to the power of 2 + 5 × 2 − 4

[tex](2/3)^2+5*2-4=[/tex][tex]4/9 + 10-4=[/tex][tex]4/9+6=[/tex]6 4/9

(2/3)^2 +5×2−4

=4/9 + 10-4

=4/9+10−4

=4/9+6

= [tex]6 \frac{4}{9} [/tex]

Therefore, 6 4/9 is ur answer

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