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irga5000 [103]
3 years ago
14

Which calculations perform on the calculator will yelled in answer that is approximately the same as 76 ÷ 19/25? Check all that

apply
a:80 / 20 * 1 / 25
b:80 * 5/4
c:80 / 5 ÷ 1 / 4
d:80 * 5/4
e:80 * 4/5 ​

Mathematics
1 answer:
Zinaida [17]3 years ago
6 0

first:76 ÷ 19/25=100

a:80 / 20 * 1 / 25 =0.16

b:80 * 5/4 =100

c:80 / 5 ÷ 1 / 4 =64

d:80 * 5/4 =100

e:80 * 4/5 ​=64

So I think both B and D should be the right answer

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PUT THIS SET IN ORDER FROM LEAST TO GREATEST:

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MEDIAN: Find the number in the middle of the set.
10, 16, 28, 45, 55, 63, 75, 84
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MEDIAN = 50
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MEAN: Find the average by adding up all of the numbers and dividing them by how many numbers there are.
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6 0
3 years ago
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Solve the simultaneous equations
Contact [7]

Answer:

The solution for given system of equations is: x = 6 and y = 3

Or

(6,3)

Step-by-step explanation:

Given equations are:

3x+4y=30\ \ \ Eqn\ 1\\3x-y=15\ \ \ \ Eqn\ 2

There are three methods to solve simultaneous equations

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We will use the elimination method as the coefficients of x in both equations are already same

Subtracting equation 2 from equation 1

3x+4y - (3x-y) = 30-15\\3x+4y-3x+y = 15\\5y = 15\\\frac{5y}{5} = \frac{15}{5}\\y = 3

Putting y = 3 in equation 2

3x-3 = 15\\3x = 15+3\\3x = 18\\\frac{3x}{3} = \frac{18}{3}\\x =  6

Hence,

The solution for given system of equations is: x = 6 and y = 3

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Step-by-step explanation:

Out of the 12 girls, there will be only one that is the lead-off batter.

we can assume that this is the first being selected at random, then the probability that you will be the lead-off batter, is equal to the quotient between 1 (the outcome where you are selected) and 12 (the total number of outcomes)

Then the probability is:

P = 1/12 = 0.083

The fact that there will be an arrange of only 9 girls does not affect the probability of you getting the position of the lead-off batter.

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