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Serhud [2]
3 years ago
15

Determine the greatest common factor of 15xy^7z and 30x^2y^7z

Mathematics
1 answer:
yawa3891 [41]3 years ago
5 0

Answer:

15x {y}^{7} z

Step-by-step explanation:

<h3>Factorize the Expressions</h3>

15x {y}^{2} z = 3 \times 5 \times x \times y \times y \times y \times y \times y \times y \times y \times z

30 {x}^{2}  {y}^{7} z = 2 \times 3 \times 5 \times x \times x \times y \times y \times y \times y \times y \times y \times y \times z

<h3>Factor out the Common Factors</h3>

gcf = 3 \times 5 \times x \times y \times y \times y \times y \times y \times y \times y \times z

<h3>Multiply the Common Factors</h3>

3 \times 5 \times x \times y \times y \times y \times y \times y \times y \times y \times z = 15x {y}^{7} z

The Factored expressions are

15x {y}^{7} z

And

15x {y}^{7} (2x)

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Given the following function, find f(-2), f(0), and f(1).<br> f(x) = 5x +5<br><br> f(-2) =
Finger [1]

Answer:

f(-2) = -5

f(0) = 5

f(1) = 10

Step-by-step explanation:

f(-2) = 5(-2) + 5 → -10 + 5 = -5

f(0) = 5(0) + 5 → 0 + 5 = 5

f(1) = 5(1) + 5 → 5 + 5 = 10

4 0
3 years ago
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Isaac is making sandwiches for a group of friends. He needs 3 ounces of meat for each sandwich.
lidiya [134]

Answer:

Part A: x=3

Part B: 6oz

3x=18

Step-by-step explanation:

Part A-

So, he needs 3 oz for each sandwich.

This gives us 3 for the equation.

The question says that we need an equation for this.

If we need an equation, we could write something like

x=3

There's really not anything else that we could write here.

Part B-

We now have something that we need to write.

He has 18 oz for sandwiches.

Each sandwich needs 3 oz.

So, we can write something like 3x=18

Then we could solve the equation by dividing both sides by 3.

This will leave us with x=6

Hope this works!

6 0
2 years ago
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Someone help me with this
neonofarm [45]

Answer:

-2

Step-by-step explanation:

-10 + 3 = -7

5 0
2 years ago
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Suppose that the number of customers that enter a bank in an hour is a Poisson random variable, and suppose that P(X = 0) = 0.09
Ksju [112]

Answer:

E(X) = V(X) = 2.41

Step-by-step explanation:

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:

P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}

In which

x is the number of sucesses

e = 2.71828 is the Euler number

\mu is the mean in the given interval.

In the Poisson distribution, the mean is the same as the variance.

P(X = 0) = 0.09

P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}

P(X = 0) = \frac{e^{-\mu}*\mu^{0}}{(0)!} = e^{-\mu}

So

e^{-\mu} = 0.09

We apply ln to both sides, which is the inverse operation of the exponential.

So

\ln{e^{-\mu}} = \ln{0.09}

-\mu = -2.41

Multiplying by -1

\mu = 2.41

So

E(X) = V(X) = 2.41

8 0
3 years ago
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