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olga2289 [7]
3 years ago
12

Anna is having a pizza party. Anna will order 2 pizzas for every 5 people at her party. There will be 20 people at Anna’s party.

what’s the total number of pizzas Th t Anna will order?
Mathematics
2 answers:
geniusboy [140]3 years ago
8 0

Answer:

8 Pizzas

Step-by-step explanation:

There are 2 pizzas being bought for every five people.

20/5=4

2 x 4=8

There are 8 pizzas being bought.

Sonja [21]3 years ago
4 0

Answer:

8!

Step-by-step explanation:

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Harlamova29_29 [7]

Answer:

The speeds of the cars is: 0.625 miles/minute

Step-by-step explanation:

We use systems of equations in two variables to solve this problem.

Recall that the definition of speed (v) is the quotient of the distance traveled divided the time it took : v=\frac{distance}{time}. Notice as well that the speed of both cars is the same, but their times are different because they covered different distances. So if we find the distances they covered, we can easily find what their speed was.

Writing the velocity equation for car A (which reached its destination in 24 minutes) is:

v\,*\,24\,min=d_A

Now we write a similar equation for car B which travels 5 miles further than car A and does it in 32 minutes:

v\,*\,32\,min=d_A+5\,miles

Now we solve for d_A in this last equation and make the substitution in the equation for car A:

v\,*\,32\,min=d_A+5\,miles\\d_A=v\,*\,32\,min-5\,miles\\\\v\,*\,24\,min=v\,*\,32\,min-5\,miles\\v\,(24\,min-32\,min)=-5\,miles\\v\,(-8\,min)=-5\, miles\\v=\frac{-5}{-8} \frac{miles}{min} \\v=0.625\,\frac{miles}{min}

So this is the speed of both cars: 0.625 miles/minute

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3 years ago
The figure above shows the probability density function for the random variable x. What is P(3≤x<7)?
qwelly [4]

The value of the probability P(3≤x<7) is 1

<h3>How to evaluate the probability expression?</h3>

The expression is given as: P(3≤x<7)

This is calculated using:

P(3 ≤ x < 7) = P(3) + P(4) + P(5) + P(6)

Using the figure of the probability density function (see attachment), we have:

P(3 ≤ x < 7) = 0.30 + 0.30 + 0.20 + 0.20

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P(3 ≤ x < 7) = 1

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Read more about probability density function at:

brainly.com/question/15318348

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inessss [21]
Most of the information's required for finding the answer is already given in the question. 
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Now we can find the length of the poles using Pythagoras theorem.

Length of the poles = square root [(12)^2 + (8)^2]
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