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2 years ago

Find the y-intercept - 74 - 7y = -7%

Mathematics

1 answer:

harkovskaia [24]2 years ago

3 0

Answer: -75

Step-by-step explanation:

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Seventy weather balloons were sent up. Twenty-eight were found. What percent wer ound? 17

In-s [12.5K]

Step-by-step explanation:

let the percent of found balloons be x

given,

total number of balloons= 70

number of found balloons= 28

according to the question,

x% of 70= 28

x/100 × 70 = 28

x=40

hence 40% of the balloons were found

5 0

2 years ago

Decrease £900 by 5%?

GaryK [48]

45 should be the answer for that specific question.

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2 years ago

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A computer chess game and a human chess champion are evenly matched. They play twelve games. Find probabilities for the followin

sleet_krkn [62]

Answer:

The probability that they each win six games is 0.225.

Step-by-step explanation:

Given : A computer chess game and a human chess champion are evenly matched. They play twelve games.

To find : The probability that they each win six games?

Solution :

Applying binomial distribution,

Here n=12 and p=0.5

$P(X=k)=\frac{n!}{k!(n-k)!}\times p^k\times (1-p)^{n-k}$

The probability that they each win six games is k=6.

$P(X=6)=\frac{12!}{6!(12-6)!}\times 0.5^6\times (1-0.5)^{12-6}$

$P(X=6)=\frac{12\times 11\times 10\times 9\times 8\times 7\times 6!}{6\times 5\times 4\times 3\times 2\times 6!}\times 0.015625\times 0.015625$

$P(X=6)=11\times 2\times 3\times 2\times 7\times 0.015625\times 0.015625$

$P(X=6)=0.225$

Therefore, The probability that they each win six games is 0.225.

3 0

2 years ago

Both please.........

Levart [38]

Sry I'm couldn't solve the second one but the ans for the 1st is 504 sq units

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2 years ago

Ben and Sam are diving into a lake. At 14 below the surface, Ben spots Sam 9 ft directly below him. Find Sams depth SHOW WORK AN

natka813 [3]

Sam is at 23 feet below the surface

Explanation
I did 14+9 and got 23

7 0

1 year ago

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