3 years ago

A balloon seller has 4 green balloons, 3 yellow balloons, and 9

Mathematics

1 answer:

brilliants [131]3 years ago

4 0

4g+3y+9=total of 16 and subract one green ballon, so 15. If picking one probability is 1/15

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Among 500 freshmen pursuing a business degree at a university, 311 are enrolled in an economics course, 243 are enrolled in a ma

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Solution :

Let A = Economics, B = Mathematics

n(A) = 311, n(B) = 243, $n(A \cap B) = 135$

a). So, $n(A \cup B) = n(A) +n(B) - n(A \cap B)$

= 311 + 243 - 135

= 419

b). n(A only) = 311 - 135

= 176

n(B only) = 243 - 135

= 108

Exactly one of these two courses

$=\frac{176+108}{500}$

= 0.568

c). Neither economics nor mathematics

$=\frac{500-419}{500}$

$=\frac{81}{500}$

= 0.162

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3 years ago

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grandymaker [24]

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3 years ago

There are 45 vehicles in a parking lot. Three fifths of the vehicles are minivans. How many of the vehicles in the parking lot a

suter [353]

Answer: There are 27 minivans out of the vehicles in the parking lot.

Step-by-step explanation:

Since we have given that

Number of vehicles in a parking lot = 45

Part of the vehicles are minivans is given by

$\frac{3}{5}$

Number of vehicles in the parking lot are minivans is given by

$\frac{3}{5}\times 45\\\\=3\times 9\\\\=27$

Hence, there are 27 minivans out of the vehicles in the parking lot.

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3 years ago

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Whats the answer and why?

san4es73 [151]

A) -13

Bcz

x^2-13x+12=0

x^2-x-12x+12=0

x(x-1)-12(x-1)=0

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Crazy boy [7]

Answer:

between one and 6

Step-by-step explanation:

musrbe the answer

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