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Reptile [31]
2 years ago
15

Which system of equations has no solutions?​

Mathematics
2 answers:
Rama09 [41]2 years ago
6 0
The second graph I believe if not some else will try to help.
Ludmilka [50]2 years ago
3 0
Answer: If 2 answers are allowed, it would be the top two graphs. If only 1 answer is allowed, only the top right is correct!

Explanation: The graphs don’t intercept. This means no solutions!
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SOMEONE PLEASE HELP ME!!!!!!!!!!!!1
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Answer:

D

Step-by-step explanation:

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4 0
3 years ago
jane spent $15.75 to purchase cookies and brownies for 25 of her classmates. Cookies cost $0.50 and brownies cost $0.75. How man
AlladinOne [14]

im not sure

Step-by-step explanation:s


7 0
2 years ago
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A pharmacist receives a shipment of 22 bottles of a drug and has 3 of the bottles tested. If 5 of the 22 bottles are contaminate
Norma-Jean [14]

Answer:

There is a 44.16% probability that exactly 1 of the tested bottles is contaminated.

Step-by-step explanation:

C_{n,x} is the number of different combinatios of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

In this problem, we have that:

Total number of combinations:

C_{22,3} = \frac{22!}{3!(18)!} = 1540

Desired combinations:

It is 1 one 5(contamined) and 2 of 17(non contamined). So:

C_{5,1}*C_{17,2} = 5*17*8 = 680

What is the probability that exactly 1 of the tested bottles is contaminated?

P = \frac{680}{1540} = 0.4416

There is a 44.16% probability that exactly 1 of the tested bottles is contaminated.

5 0
3 years ago
The art teacher is buying new tables to go in the art room. Each table can seat 4 students. The art class has 30 students. How m
bezimeni [28]

Answer:

T = 7.5

Step-by-step explanation:

One table = 4 students

  ? table = 30 students

To get the answer we criss-cross

30 * 1 = 4T(amount of table)

4T = 30

T = 30/4

T = 7.5

There should be 8 tables but the last table has 2 people sitting on it rather than 4.

5 0
2 years ago
A bricklayer charges $8 per square foot to lay a patio.How much would it cost for the bricklayer to lay a 12-foot-x 16-foot pati
IrinaVladis [17]

Area of patio = 12 x 16

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Cost = 192 x 8

        = $1536

5 0
2 years ago
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