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Keith_Richards [23]
3 years ago
10

MASTERY CHALLENGE!

Mathematics
2 answers:
dmitriy555 [2]3 years ago
7 0
To start we need to add all the pizzas to see how many total they made.

21+14+14+23=72

then the probablility that it is not a cheese pizza is the same as the probability that it is one of the other types

14+14+23=51

there is a 51/72 chance that the next pizza is not a cheeze pizza which equals 0.71 equaling a 71% chance

I hope I've helped!
solniwko [45]3 years ago
6 0
The probability of the next pizza not being cheese is
P(not cheese) = 100 - P(cheese)

the probability of it being cheese is 21/(total)
Total = 21 + 14 + 23 + 14
Total = 72

So, P(cheese) = 21/72 x 100
which is roughly 29%

So P(not cheese) = 100 - 29 = 71%


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Of 30 students 1/3 play sports 2/3 of them play soccer. How many play soccer
agasfer [191]
1/3 of 30 is 10 because you dividing it by 3 and you would get 10.

Now 2/3 of 10 :

10/3=3.3 (2/3 so we have to multiply by 2) 3.3•2=6.6

6.6 has to be estimated because you can't have 6.6 people.

Your answer would be 6. Before I said 7 but you said I was incorrect so the only possibility left is 6.

Hoped I helped!
4 0
3 years ago
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Rename 1/2 and 1/5 using the least common denominator.
gladu [14]
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3 0
3 years ago
A circular plate has circumference 21.4 inches. What is the area of this​ plate? Use 3.14 for pi.
Brut [27]

Answer:

The area of this plate is 36.31\ \text{inches}^2.

Step-by-step explanation:

We have,

Circumference of a circular plate, C = 21.4 inches

The circumference of a circular shape is given by :

C=2\pi r

r is radius of circular shape

r=\dfrac{C}{2\pi}\\\\r=\dfrac{21.4}{2\times 3.14}\\\\r=3.4\ \text{inches}

Area of this plate is given by :

A=\pi r^2\\\\A=\pi (3.4)^2\\\\A=36.31\ \text{inches}^2

So, the area of this plate is 36.31\ \text{inches}^2.

8 0
3 years ago
if there are 2040 seats in a section of a stadium, 20 seats in the first row, and 4 more seats in each row, how many rows are th
Lorico [155]


2040 = n/2(20+(n-1)4)

4080 = n(20+4n-4)

4080= 20n +4n^2 -4n

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n^2 +4n -1020 =0

use common formula (can't write out so just look at answers. sorry)

which gives answers of n=-34 and n=30. since n can only be positive, n=30 so there are 30 rows. I liked that challenge

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3 years ago
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Since its largest to smallest, start with the bigger numbers! your answer will be
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hope this helps, please mark brainliest :))
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2 years ago
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