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Mrrafil [7]
4 years ago
13

A marble is selected at random from a jar containing 50 red marbles, 30

Mathematics
1 answer:
Nikolay [14]4 years ago
7 0

Answer:

7/10 or 70%

Step-by-step explanation: There is 100 marbles in total and 70 red and green marbles, 70 times out of 100 is the same as 7 times out of 10. Thus, 7/10 or 70%.

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340 pages; 20% decrease
Digiron [165]

Answer:

Im Guessing 320?

Step-by-step explanation:

Just a reasonable guess. Sorry if wrong.

8 0
3 years ago
Solve the literal eqaution |-ax-b|=c for x
Reptile [31]

According to the given data we have the following equation:

|-ax-b|=c

So, to calculate the value of x we would have to apply the following property:

absolute rule

if |uI=a, a>o, then u=a or u=-a

Therefore, considering the propert above the calculation of would be as follows:

if a<0

-2x-1=-2

-2x=-1

x=1/2

if a>0

-2x-1=2

-2x=3

x=-3/2

The value of x would be 1/2 and -3/2

4 0
1 year ago
Mr.Carter and Ms.Torres need two busses to drive their classes to the amusement park. Each class needs money to rent a bus and $
nekit [7.7K]

Answer:

$110

Step-by-step explanation:

Subtract 240-20 and you will get 220 then divide that by two to get 110 for each.

7 0
3 years ago
5/2b+(-25/2)=-10 what is the value of b?
gulaghasi [49]
The value of b in the equation 5/2b+(-25/2) is 1. 

8 0
3 years ago
What is the average rate of change of f(x), represented by the graph, over the interval [0,2]?
andreev551 [17]
A: 2 if u don't know then the first option .
3 0
3 years ago
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