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mash [69]
3 years ago
6

John needs to find out the probability that he will sell all his cars by the end of the

Mathematics
1 answer:
Nezavi [6.7K]3 years ago
5 0

Answer:

c) 100

Step-by-step explanation:

This is the best choice because the number is not too low or too high. He will get an accurate probability.

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A rational number is such that when you multiply it by 5/2 and add 2/3 to the product, you get 7/12. What is the number?
Afina-wow [57]

Answer:A rational number is such that when you multiply it by 5/2 and add 2/3 to the product you get -7/12 . What is the number.

Step-by-step explanation:Let p/q (q ≠ 0) denote the rational number. Multiplying it by 5/2 gives (p/q)(5/2). Add 2/3 to the product and we get (p/q)(5/2) + 2/3 . The result is given to be -7/12.

∴ (p/q)(5/2) + 2/3 = -7/12 …………………………..……………………………………..(1)

Transposing 2/3 to right-hand-side and changing the sign to negative,

(p/q)(5/2) = -2/3 -7/12 = -(2/3 + 7/12) =- (2 x 4 + 7)/12 (Taking L.C.M.)

Or, (p/q)(5/2) = -(8+7)/12 = - 15/12

Multiplying both sides by 2/5,

(p/q)(5/2) x (2/5) = -15/12 . 2/5 = -(3x5)/(3x4) . 2/5 =- 5/4 .2/5

Since 2/5 is the multiplicative inverse of 5/2, 5/2 x 2/5 = 1 and we obtain

(p/q).1 = -1/4 . 2/1 = -1/2

⇒ p/q = -1/2 which is a negative rational number in which p = 1 and q = 2 ≠ 0 .

∴ the rational number = -1/2

3 0
3 years ago
2(2³-2²)<br><br> Can you also show how you solved it? Thanks.
valina [46]
The answer is 2[2^2(2-1)]=2*4*1=8
7 0
3 years ago
Read 2 more answers
HELP 45 POINTS!! FIRST CORRECT ANSWER GETS BRAINLIEST
Alexandra [31]

Answer:

  • a. She needs to hang each triangle from its center of gravity or centroid, which is the point at which the three medians of the triangle intersect.

Step-by-step explanation:

  • Medians meet at a centroid of the triangle. The centroid is the triangle's center of gravity.
7 0
2 years ago
The answer and the step by step explanation pleasee
alexira [117]

Answer:

C

Step-by-step explanation:

Given

V = lwh ( isolate w by dividing both sides by lh )

\frac{V}{lh} = w → C

6 0
3 years ago
PLEASE HELP ME WITH THIS​
Mice21 [21]
Wha do u need help with
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2 years ago
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