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ivann1987 [24]
3 years ago
13

Find the greatest common factor of 15x 2 y 3 and -20x 3 yz.

Mathematics
2 answers:
Andre45 [30]3 years ago
7 0
You multiply the GCF of the numerical part 3 and the GCF of the variable part x^2y to get 3x^2y
laiz [17]3 years ago
5 0

Answer:

5x^2y.

Step-by-step explanation:

We have been given two expressions 15x^2y^3 and  -20x^3yz. We are asked to find the greatest common factor of both terms.

We know that the greatest common factor of any two numbers or expression is a number that completely divides the numbers.

The GCF of coefficient is 5 as 5 is the greatest number that completely divides 15 and 20.

We can see that in 15x^2y^3, x is raised to 2nd power and y is raised to 3rd power, while in -20x^3yz, x is raised to 3rd power and y is raised to 1st power.

The greatest common factor (algebraic) of 15x^2y^3 and  -20x^3yz is x^2y.

Therefore, the greatest common factor of 15x^2y^3 and  -20x^3yz is 5x^2y.

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5a+4c-b<br><img src="https://tex.z-dn.net/?f=5a%20%2B%204c%20-%20b%20" id="TexFormula1" title="5a + 4c - b " alt="5a + 4c - b "
Tatiana [17]
Hi,

5a + 4c - b = 5a + ( - 4bc) \\ 5a - 4bc = 1abc

Hope this helps.
r3t40
8 0
3 years ago
What is the answer for m^2-5m-14=0?
tensa zangetsu [6.8K]

Answer: m = 7 or -2

Step-by-step explanation:

Quadratic Formula!  \frac{{-b (+/-)\sqrt{(b^{2}-4ac }}}{2a}

Polynomial Form: ax^{2} +bx+c

So in this example a: 1  b: -5  c: -14

You get:\frac{{-(-5) (+/-)\sqrt{((-5)^{2}-4(1)(-14) }}}{2(1)}

m = 7 or -2

Check by plugging a value back in for m

(7)^{2} -5(7)-14=0?\\(-2)^{2} -5(-2)-14=0?\\

True for both.

3 0
3 years ago
Mary has to choose between a job and learning French during summer
Andrei [34K]

Answer:

To develop a molecular clock, you need to find which of the following?

a sequence of molecules

the rate at which changes occur in a type of molecule

how much total change has occurred in a type of molecule from two different species

how many molecules a species has

Step-by-step explanation:

To develop a molecular clock, you need to find which of the following?

a sequence of molecules

the rate at which changes occur in a type of molecule

how much total change has occurred in a type of molecule from two different species

how many molecules a species has

4 0
2 years ago
Read 2 more answers
39 POINTS!! I NEED HELP ASAP!!!!!!! 2 QUESTIONS!!!!!
dangina [55]

Answer: 1) A = 28ft^{2}

2) 55 points

Step-by-step explanation:

1) A= 8w + 18, w=1.25

A = 8(1.25) + 18

A = 10 + 18

A = 28ft^2

2) 25 points to start with, additional 5 points per magazine they sell, m = number of magazines they sell

total points = 25 + 5m

How many if they sell 6?

total = 25 + 5(6)

= 25 + 30

total = 55

4 0
2 years ago
Read 2 more answers
You paint four walls. Each wall is a rectangle with a length of 20 feet and a height of 12 feet. One gallon of paint covers abou
Naddik [55]

Answer:

3 gallons

Step-by-step explanation:

Each wall 12 x 20 = 240 feet squared

4 walls =  4 x 240 = 960 squared feet

960 divided into 320 = 3

1 gallon --------320

1 gallon------------320

1 gallon-----------320

                    3 gallons----------960

 

5 0
2 years ago
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