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o-na [289]
3 years ago
13

Plzz answer I will give brainiest and 60 points

Mathematics
2 answers:
Tomtit [17]3 years ago
6 0

Answer:

i am struggling with that too

Step-by-step explanation:

bagirrra123 [75]3 years ago
3 0

Answer:

Step-by-step explanation:

Area = length * width

=8\frac{1}{2}*6\\\\=\frac{17}{2}*6\\\\=17*3\\\\=51

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Andrew has a flying disc with a radius of 10 centimeters. What is the circumference of the disc?
jasenka [17]
10x2= 20

20x3.14= 62.8 

the circumference of the disc is 62.8
7 0
4 years ago
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Solving linear system, substitution<br><br> 20x-30y=-50<br> x+2y=1<br><br> HELP PLEASE
hjlf
20x -  30y = -50 ⇒ 20x -  30y = -50
    x +   2y = -1   ⇒ <u>20x + 40y = -20</u>
                                       <u>-70y</u> = <u>-30</u>
                                        -70     -70
                                            y = ³/₇
                           20x - 30(³/₇) = -50
                             20x - 12⁶/₇ = -50
                             <u>      + 12⁶/₇  + 12⁶/₇
</u>                                        <u>20x</u> = <u>47¹/₇
</u>                                         20<u />       20<u>
</u>                                            x = 2⁷/₂₀
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6 0
4 years ago
Q. Which graph is linear?
Sophie [7]

Answer:

d trust me

Step-by-step explanation:

5 0
3 years ago
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A statistics professor plans classes so carefully that the lengths of her classes are uniformly distributed between 49.049.0 and
sveta [45]

Answer:

10% probability that a given class period runs between 51.25 and 51.75 minutes.

Step-by-step explanation:

An uniform probability is a case of probability in which each outcome is equally as likely.

For this situation, we have a lower limit of the distribution that we call a and an upper limit that we call b.

The probability of finding a value X between c and d, d greater than c, is given by the following formula:

P(c \leq X \leq d) = \frac{d-c}{b-a}

Uniformly distributed between 49 and 54 minutes

This means that b = 54, a = 49

Find the probability that a given class period runs between 51.25 and 51.75 minutes.

P(51.25 \leq X \leq 51.75) = \frac{51.75 - 51.25}{54 - 49} = 0.1

10% probability that a given class period runs between 51.25 and 51.75 minutes.

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3 years ago
Find the Surface Area
atroni [7]
The answer is 63

first you multiply 14 and 9 the divide by 2 because it’s a triangle face!
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3 years ago
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