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Sedbober [7]
3 years ago
15

Becky buys 3 books and the total cost is $24.18. What is the constant of proportionality that relates the cost in dollars, y, to

the number of books, x?
Mathematics
1 answer:
disa [49]3 years ago
7 0

Answer: 1x = $8.06y

Step-by-step explanation:

thats honestly all i know..

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Which of the following theorems verifies that WVU = RST?
Paladinen [302]
Answer: C. LA

Explanation:

Angle W = Angle R (given)
VU = ST (given)
Angle U = Angle T = 90 (right angle of the right triangle)

Then we can say that triangle VWU = SRT (ASA)
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Solve this system of equations using substitution:
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I’m thinking your r in the first equation is actually an x.

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Enter the value for x that makes the equation-36-3x - 18 = 7 + 4x -19 true.
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Answer:

x = -6

Step-by-step explanation:

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3 0
3 years ago
A number cube is tossed 8 times. What is the probability that the cube never lands on 3?.
tino4ka555 [31]

The probability that the cube never lands on 3 is (D) 23.3%.

<h3>What is probability?</h3>
  • A probability formula can be used to calculate the likelihood of an occurrence by simply dividing the favorable number of possibilities by the entire number of possible outcomes.

To find the probability that the cube never lands on 3:

Given -

  • Number cube toss = 8

Required

  • Probability of not landing on 3.

First, we need to get the probability of landing on 3 in a single toss.

For a number cube,

  • n(3) = 1 and n(total) = 6

So, the probability is P(3) = 1/6

First, we need to get the probability of not landing on 3 in a single toss.

Opposite probability = 1.

  • So, P(3) = P(3') = 1.

Make P(3') the subject of the formula.

  • P(3') = 1 - P(3)
  • P(3') = 1 - 1/6
  • P(3') = 5/6

In 8 toss, the required probability is (P(3'))⁸

This gives:

  • P = (5/6)⁸
  • P = 390625/1679616
  • P = 0.23256803936

Approximate to 1 decimal place, P = 23.3%.

Therefore, the probability that the cube never lands on 3 is (D) 23.3%.

Know more about probability here:

brainly.com/question/25870256

#SPJ4

The correct question is given below:
A number cube is tossed 8 times. What is the probability that the cube never lands on 3?

A. 6.0%

B. 10.4%

C. 16.7%

D. 23.3%

5 0
1 year ago
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