3 years ago

What are the factors of 21

Mathematics

1 answer:

sweet-ann [11.9K]3 years ago

3 0

Answer:

21: 3and 7 factors

54: 6and 9 factors

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Which relation is a function? Please help

s344n2d4d5 [400]

Answer: the bottom right one

Step-by-step explanation:

you can put your pencil like this I and follow the line without two parts touching the line (vertical line test)

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4 years ago

If (x, 42) is a solution to the equation y = -6 (x – 15) – 3, find x

Molodets [167]

Put y and find x

y=-6(x-15)-3
42=-6(x-15)
42+3=-6(x-15)
45=-6x+90
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x=45/6
x=15/2

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2 years ago

a bacteria culture begins with 8 bacteria which triples in size every week. How many bacteria exists in the culture after 4 week

Margarita [4]

Answer:

648

Step-by-step explanation:

8x3=24

24x3=72

72x3=216

216x3=648

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3 years ago

Read 2 more answers

Given: three halves times x minus ten equals fifty

yawa3891 [41]

Answer:

Reason 4

Step-by-step explanation:

All the reasons are correct apart from the 4th.

Step 4 involves multiplication of both sides by (2/3). Thee reason given is: "Division property of equality", which is wrong as division is not applicable.

6 0

3 years ago

12x-4<16 Please helpppppppppppppppppppppppppppppppp

Lera25 [3.4K]

Answer:

x < 1.66666666667

Step-by-step explanation:

Step 1:

12x - 4 < 16 Equation

Step 2:

12x < 20 Add 4 on both sides

Step 3:

x < 20 ÷ 12 Divide

Answer:

x < 1.66666666667

Hope This Helps :)

8 0

3 years ago