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3 years ago

WHAT IS THE ANSWER TO THIS PROBLEM PLEASE INCLUDE EXPLANATION OF HOW YOU GOT THE ANSWER ANSWER TO BE BRANEIST!!!!!!!!!

Mathematics

2 answers:

Nutka1998 [239]3 years ago

7 0

7+10+14+19 = 50. 50*2 = 100
7+19 = 26. 26*2 = 52
Your answer is D.

grin007 [14]3 years ago

5 0

There are 50 total marbles in the bag and 26 of them are red or blue (19 Red + 7 Blue). You find the probability of them by dividing the number of red and blue marbles by the total marbles. (26/50) That's almost half and is specifically 0.52. To change it to a percent, you move the decimal 2 spaces giving you D. 52%

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The sum of two numbers is at most 12, and the sum of 3 times the first number and 8 times the second number is at least 48 selec

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Answer:

(4,8)

Step-by-step explanation:

4 + 8 = 12

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3 years ago

A trapezoid has a height of 10 centimeters. One parallel base has a length of 7 centimeters, and the other parallel base has a l

Papessa [141]

Answer:

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Step-by-step explanation:

the formula for the area of a trapezoid is:

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2 years ago

PLEASE HELP MEEE

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Answer:

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2 years ago

Read 2 more answers

A positive integer squared plus 3 times it’s consecutive integer is equal to 43

Eduardwww [97]

Answer:

the integer is 5

Step-by-step explanation:

x^2+3(x+1)=43

x^2+3x+3=43

x^2+3x+(9/4)=43-3+(9/4)

(x+(3/2))^2=42 1/4

x+(3/2)=sqrt(42 1/4)

x+(3/2)=6 1/2

x=(6 1/2)-(3/2)

x=5

check:

5^2+3(6)=43

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2 years ago

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the mean of the commute time to work for a resident of a certain city is 28.8 minutes. assume the standard deviation of the comm

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Answer:

The minimum percentage of the commuters in the city has a commute time within 2 standard deviations of the mean is 75%.

Step-by-step explanation:

We have no information about the shape of the distribution, so we use Chebyshev's Theorem to solve this question.

Chebyshev Theorem

At least 75% of the measures are within 2 standard deviations of the mean.

At least 89% of the measures are within 3 standard deviations of the mean.

An in general terms, the percentage of measures within k standard deviations of the mean is given by $100(1 - \frac{1}{k^{2}})$ .

Applying the Theorem

The minimum percentage of the commuters in the city has a commute time within 2 standard deviations of the mean is 75%.

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3 years ago