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Ivanshal [37]
3 years ago
12

Whats the factor of this expression? 10x + 40y?

Mathematics
2 answers:
Andru [333]3 years ago
8 0

Answer:

10(x + 4y)

Step-by-step explanation:

BARSIC [14]3 years ago
7 0

Answer:

<h3>10(x + 4y)</h3><h3 />

Step-by-step explanation:

factor of 10x + 40y

  • 10(x + 4y)
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Answer:

11√3-7√6

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An experiment involves selecting a random sample of 256 middle managers at random for study. one item of interest is their mean
Nitella [24]
The standard error of the mean is 128.125.

The formula for standard error is:

\sigma_M=\frac{\sigma}{\sqrt{N}}

With our information, we have:

\sigma_M=\frac{2050}{\sqrt{256}}=128.125.
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3 years ago
Suppose that many large samples were taken from population A, which is normally distributed, and population c, which is not norm
OLEGan [10]

Answer:

Population A

Step-by-step explanation:

Think about. If population A already known for normally distribution AND you take large samples. The rest would still be distributed, Which keeps population A a Normal Distribution.

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3 years ago
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Hannah and her three brothers equally split the cost of a $379 gift for their parents. How much did each sibling pay?
-Dominant- [34]

Answer:

$126.33

Step-by-step explanation:

$379/3 = $126.33

5 0
2 years ago
Write the 5th term in the expansion of (5x-y/2)^7
Nezavi [6.7K]

Answer:

65625/4(x^5)(y²)

Step-by-step explanation:

Using binomial expansion

Formula: (n k) (a^k)(b ^(n-k))

Where (n k) represents n combination of k (nCk)

From the question k = 5 (i.e. 5th term)

n = 7 (power of expression)

a = 5x

b = -y/2

....................

Solving nCk

n = 7

k = 5

nCk = 7C5

= 7!/(5!2!) ------ Expand Expression

=7 * 6 * 5! /(5! * 2*1)

= 7*6/2

= 21 ------

.........................

Solving (a^k) (b^(n-k))

a = 5x

b = -y/2

k = 5

n = 7

Substituting these values in the expression

(5x)^5 * (-y/2)^(7-5)

= (3125x^5) * (-y/2)²

= 3125x^5 * y²/4

= (3125x^5)(y²)/4

------------------------------------

Multiplying the two expression above

21 * (3125x^5)(y²)/4

= 65625/4(x^5)(y²)

5 0
3 years ago
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