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densk [106]
3 years ago
11

Which shape could be thought of as being created by stacking congruent polygons

Mathematics
2 answers:
Katen [24]3 years ago
7 0

just rectangular prism

seraphim [82]3 years ago
6 0
Rectangular, prism and square

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Hii also wondering if anyone knows how to solve this :( thank you
Scilla [17]

Answer:

x = 7

Step-by-step explanation:

The sum of interior angles is equal to 360°

9x - 4 + 8x + 2 + 13x + 30 + 19x - 11 = 360° add like terms

49x + 17 = 360 subtract 17 from both sides

49x = 343 divide both sides by 49

x = 7

replace x with the value we found to calculate each angle.

7 0
3 years ago
Read 2 more answers
What is the volume of a rectangle with 21, 7, and 3
LiRa [457]

Answer:

441

Step-by-step explanation:

5 0
3 years ago
12.what is the probability that a boy and a girl chosen randsomly will be seniors?
zhenek [66]

\frac{\textbf{1}}{\textbf{20}}

Step-by-step explanation:

Probability=\frac{\text{number of favourable outcomes}}{\text{total number of outcomes}}

Probability for a randomly chosen girl to be senior=\frac{\text{number of senior girls}}{\text{total number of girls}}

Probability for a randomly chosen girl to be senior=\frac{7}{8+11+9+7}=\frac{7}{35}=\frac{1}{5}

Probability for a randomly chosen boy to be senior=\frac{\text{number of senior boys}}{\text{total number of boys}}

Probability for a randomly chosen girl to be senior=\frac{9}{10+7+10+9}=\frac{9}{36}=\frac{1}{4}

For two independent events,

Probability for both event 1 and event 2 to take place=\text{probability of event 1} \times \text{probability of event 2}

Since choosing boys and girls is independent,

Probability for both boy an girl chosen to be senior=\text{probability for boy to be senior}\times\text{probability for girl to be senior}

Probability for both boy and girl chosen to be senior=\frac{1}{5} \times \frac{1}{4} = \frac{1}{20}

So,required probability is \frac{1}{20}

3 0
3 years ago
Anyone want to talk girls only(halljeanice1)
Leokris [45]
Okay okay I don’t think it will work for me but if I do not get my messages I’m done
4 0
2 years ago
there are 10 marbles, 2 yellow, three pink, and 5 black What is the probability of drawing two blue marbles if the first one is
Schach [20]

Answer:

I think 15% im sorry if this is wrong

3 0
3 years ago
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