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sveticcg [70]
3 years ago
11

How many minutes will it take the school bus to complete the 52-km trip back to the school at an average speed of 1.0 km/min?

Mathematics
1 answer:
Virty [35]3 years ago
6 0

Answer:ddgftuewdsvgasvdgvfchxcbncbhua

Step-by-step explanation: ME NEED POINTZ

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What is the circumference of a circle with the radius of 5 cm
Citrus2011 [14]
C=pi(radius)^2
c=pi(5)^2
c=pi(25)
c=78.5398163397...
c is about 78.5

4 0
3 years ago
Suppose a family has three children of different ages. We assume that all combinations of boys and girls are equally likely. (a)
Ivan

Answer:

a) There are 8 possible combinations and each probability is 1/8.

b) The probability that it is a boy given that there are two girls is 3/8

Step-by-step explanation:

a) The sample space is given by:

BBB (3 boys)

BBG (Boy, boy, girl)

BGB (Boy, girl, boy)

BGG (Boy, girl, girl)

GBB (girl, boy, boy)

GBG (girl, boy, girl)

GGB (girl, girl, boy)

GGG (3 girls)

The probability of each combination is the same:

P(BBB)=P(B∩B∩B)=\frac{1}{2} \frac{1}{2} \frac{1}{2}=\frac{1}{8}

2) There are three possible combinations in which there are 2 girls and 1 boy:

BGG, GBG, GGB

So the probability is given by:

P(BGG ∪ GBG ∪ GGB)=\frac{1}{2} \frac{1}{2} \frac{1}{2}+\frac{1}{2} \frac{1}{2} \frac{1}{2}+\frac{1}{2} \frac{1}{2} \frac{1}{2}=\frac{3}{8}

6 0
2 years ago
the sales tax in your city is 8.8%, and an item cost $63 before tax. how much tax would you pay on that item?round to the neares
Free_Kalibri [48]

Answer:

$68.54

Step-by-step explanation:

If you multiply the percent, 8.8% or .088 by 63 (the price), then add the tax to the item, the total adds to 68.54

3 0
3 years ago
*ANSWER ASAP!! ITS FOR MY EXAM*
alukav5142 [94]

Answer: c) $109.88

Step-by-step explanation: divide 750 by 21.5 to figure out how many gallons he would need and than multiply that by $3.15 to find out how much it would cost and you get $109.88

5 0
3 years ago
Read 2 more answers
What is the percent change from 72 to 90
dimaraw [331]
From 72 to 90 it is a 25% change
6 0
3 years ago
Read 2 more answers
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