2 years ago

What's the answer for this 3,4,5,6?

Mathematics

1 answer:

blondinia [14]2 years ago

8 0

Every 2 minute..............

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P (-2,6), Q (9,6), R (7, -1), S (-4, -1) are the vertices of a quadrilateral.

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Step-by-step explanation:

Parallelogram

Reflect y=-1 ;x changes sign

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2 years ago

One<br> Find the product:<br> (n - 5)(n-1)

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The answer is n^2-6n+5

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3 years ago

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<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B5%7D%7B12%7D%20%20%5Cdiv%20%20%5Cfrac%7B2%7D%7B11%7D%20%20%3D%20" id="TexFormula1

katrin2010 [14]

Solve. To solve this equation, you must change the divide sign into a multiplication sign.

To do so, change it into a multiplication sign, and flip the second fraction

(5/12)/(2/11) = 5/12 x 11/2

Multiply across

5/12 x 11/2 = 55/24

55/24, or 4 7/12

hope this helps

<em>~Rise Above the Ordinary</em>

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3 years ago

Suppose the mean SAT verbal score is 525 with a standard deviation of 100, while the mean SAT math score is 575 with a standard

Ipatiy [6.2K]

Answer:

The mean of the combined math and verbal scores is 1100, while the standard deviation is 141.

Step-by-step explanation:

Normal variables

Normal variables have mean $\mu$ and standard deviation $\sigma$

When we add normal variables, the combined mean is the sum of both means, and the standard deviation is the square root of the sum of both variances. The distribution is still normal.

In this question:

Verbal: $\mu_{V} = 525, \sigma_{V} = 100$ .

Math: $\mu_{M} = 575, \sigma_{M} = 100$

Combined:

$\mu = \mu_{V} + \mu_{M} = 525 + 575 = 1100$

$\sigma = \sqrt{\sigma_{V}^{2}+\sigma_{M}^{2}} = \sqrt{100^2 + 100^2} = 141$

The mean of the combined math and verbal scores is 1100, while the standard deviation is 141.

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3 years ago

Given that 16 ounces equals 1 pound, how many ounces are in 12.4 pounds?

IceJOKER [234]

Answer:

198.4

Step-by-step explanation:

multiply the mass value by 16

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2 years ago

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