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matrenka [14]
4 years ago
11

The probability that you can randomly select a red marble from a group of 40 marbles is 720 how many red marbles are there

Mathematics
1 answer:
defon4 years ago
6 0
The answer is 28 red marbles
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What is Measured in length
Oduvanchick [21]

Answer:

One Dimension

Step-by-step explanation:

"Length is a measure of one dimension, whereas area is a measure of two dimensions (length squared) and volume is a measure of three dimensions (length cubed)." ~ GOOGLE

5 0
3 years ago
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A football team plays in a large stadium. With a ticket price of ​$19​, the average attendance at recent games has been 50 comma
tino4ka555 [31]

Answer:

Part 1: N(x) = 50,000 - 300(x-19)

Part 2: R(x) =-300x² + 55700x

Step-by-step explanation:

Given,

The original price of each ticket = $ 19,

The original attendance = 50,000

Part 1 :

∵ For the each​ $1 increase in the ticket​ price, attendance decreases by 300.

Let x represents the price of each ticket after increment,

Thus, if price increment = (x-19) dollars,

New attendance, N(x) = 50,000 - 300(x-19)

Part 2 :

Since, revenue = price of each ticket × attendance

Thus, the revenue from the football​ game,

R(x) = x(50,000 - 300(x-19))

R(x) = 50000x - 300x²+ 5700x

⇒ R(x) =-300x² + 55700x

8 0
4 years ago
Are these triangles similar or no?
Marrrta [24]
Yes these triangles are similar

8 0
4 years ago
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Which of the following is a solution of x2 − 8x = –27?
Sergeu [11.5K]
Its 4 plus i square root of eleven 
4 0
3 years ago
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A conjecture and the flowchart proof used to prove the conjecture are shown.
amm1812

Answer:

∠1 + ∠2 + ∠3 = 180°

Step-by-step explanation:

Given :  AB II XC

To Show : ∠1 + ∠2 + ∠3 = 180°

Proof: Here, given that AB is parallel to the line XC

⇒  ∠4  =  ∠2  (Pair of Alternate angles as AB II XC)  .........  (1)

and ∠5  =  ∠3 (Pair of Alternate angles as AB II XC) ...........  (2)

Now, ∠1 + ∠4 + ∠5  = 180° ( Straight Angle)

But, from above (1) and (2)

∠1 + ∠2 + ∠3   =   180°  ( as ∠4  =  ∠2,  ∠5  =  ∠3)

Hence, ∠1 + ∠2 + ∠3   =   180°

Hence Proved.

7 0
3 years ago
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