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Darina [25.2K]
3 years ago
6

Beth won 53 pieces of gum playing basketball at her school's game night. Later, she gave two to each of her friends. She only ha

s 3 remaining. How many friends does she have?
Mathematics
1 answer:
HACTEHA [7]3 years ago
5 0
She has 25 friends, if she only has 3 pieces that means she game away 50 pieces of gum, 50/2 is 25.
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What is square root of 29
VladimirAG [237]

Answer:

5.38516480713

Step-by-step explanation:

8 0
2 years ago
Complete the equation of the line through (-10,-7)(−10,−7)(, minus, 10, comma, minus, 7, )and (-5,-9)(−5,−9)(, minus, 5, comma,
Tanzania [10]

Answer:

y = -\frac{2}{5}\cdot x - 11

Step-by-step explanation:

First, the slope is determined by using the following expression:

m = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}

m = \frac{-7-(-9)}{-10 - (-5)}

m = -\frac{2}{5}

The y-intercept is found by using the line equation, the slope and one point:

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b = y - m\cdot x

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The equation of the line is:

y = -\frac{2}{5}\cdot x - 11

7 0
3 years ago
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Natasha2012 [34]

Answer:

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improper fraction-0/4

Step-by-step explanation:

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8 0
3 years ago
Box of 15 gadgets is known to contain 5 defective gadgets if 4 gadgets are drawn at random what is the probability of finding no
baherus [9]

To solve this problem, we make use of the Binomial Probability equation which is mathematically expressed as:

P = [n! / r! (n – r)!] p^r * q^(n – r)

where,

n = the total number of gadgets = 4

r = number of samples = 1 and 2 (since not more than 2)

p = probability of success of getting a defective gadget

q = probability of failure = 1 – p

 

Calculating for p:

p = 5 / 15 = 0.33

So,

q = 1 – 0.33 = 0.67

 

Calculating for P when r = 1:

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P (r = 1) = 0.3970

 

 

Calculating for P when r = 2:

P (r = 2) = [4! / 2! 2!] 0.33^2 * 0.67^2

P (r = 2) = 0.2933

 

Therefore the total probability of not getting more than 2 defective gadgets is:

P = 0.3970 + 0.2933

P = 0.6903

 

Hence there is a 0.6903 chance or 69.03% probability of not getting more than 2 defective gadgets.

5 0
3 years ago
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Leona [35]

Answer:

A. 1/5 or 0.2

B. 1/2 or 0.5

Step-by-step explanation:

5 0
3 years ago
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