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3 years ago

Draw a rectangle that shows 2 equal parts

Mathematics

1 answer:

drek231 [11]3 years ago

8 0

Any rectangle has two equal sides, so any rectangle you draw will be right

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Find the surface area. please help me

astraxan [27]

Answer

248.3712

Step-by-step explanation:

2(H*W)+2(H*L)

2(5.78*6.72)+2(6.72*12.7)= 248.3712

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3 years ago

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Find the exact value of tan A in simplest radical form.<br> PLEASE HELP

Tju [1.3M]

Answer:

$\tan(A) = \frac{opp}{adj} \\ \tan(A) = \frac{ \sqrt{72} }{3} \\ \tan(A) = \frac{ \sqrt{36 \times 2} }{3} \\ \tan(A) = \frac{6 \sqrt{2} }{3} \\ \tan(A) = 2 \sqrt{2}$

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3 years ago

Yet another question for my final please answer and thanks in advance

likoan [24]

Answer:

a. 7 ft

Step-by-step explanation:

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3 years ago

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Consider the probability distribution shown below. x 0 1 2 P(x) 0.15 0.80 0.05 Compute the expected value of the distribution. (

larisa [96]

Answer:

Expected value =0.9

Standard deviation = 0.4359

Step-by-step explanation:

Let's use the formula to find expected value or mean.

Expected value =Σ x *P(x)

x 0 1 2

P(x) ) .15 .8 .05

So, expected value = (0)(0.15) +1(0.8)+2(0.05)

= 0 +0.8 +0.1

=0.9

Expected value =0.9

Now, let's find standard deviation

x $(x- E(x))^{2}$ $(x-E(x))^{2} *p(x)$

0 $(0-0.9)^{2}$ $(0-0.9)^{2} *0.15$ =0.1215

1 $(1-0.9)^{2}$ $(1-0.9)^{2} *0.8$ =0.008

2 $(2-0.9)^{2}$ $(2-0.9)^{2} *0.05$ =0.0605

Now, add the last column together and then take square root to find standard deviation.

Standard deviation of the distribution = $\sqrt{0.1215+0.008+0.0605)}$

Simplify it, so standard deviation =0.4358898...

Round the answer to nearest four decimal places

Standard deviation = 0.4359

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3 years ago

James has a board that is 3/4 foot long. He wants to cut the board into pieces that are each 1/8 foot long. How many pieces can

IrinaK [193]

Answer:

6 pecies

Step-by-step explanation:

You divide 3/4 and 1/8 to get your answer.

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4 years ago