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sesenic [268]
3 years ago
6

What is P(A and B)?

Mathematics
2 answers:
Wittaler [7]3 years ago
6 0

Answer: the fraction 3/7

=====================================================

Explanation:

We have 7 places: India, Tokyo, Houston, Peru, New York, Tijuana, Canada

Out of these 7 places, 3 of them are both a city and in North America. Those three places are: Houston, New York, Tijuana

We divide the two values (smaller over larger) to get the final answer 3/7

writing P(A and B) is shorthand for asking for the probability of getting a city AND that place is also in north america as well.

Amiraneli [1.4K]3 years ago
6 0

Answer is 3/7 hope it helps

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Does anyone know the answers to this? and please show work (I’ll mark you brainliest)
Vanyuwa [196]

Answer:

8. A

First step is to distribute - to 6x and 3. Next u want to combine like terms. So 2x^2-6x^2 = -4x^2. Next 4x - 6x = -2x. Again 9 + 3 = 12. Combine and u get -4x ^2 - 2x +12

9. C

First you add 4x to both sides. Then you subtract 55 leaving -45 greater than or equal to 9x. Then you divide by nine and you get -5 is greater than or equal to x

10. B

First you distribute 5 so 15 -3x < -2x +6. Next add 2 to both sides. Then subtract 15 leaving -3x < -9. Least divide by -3 and you get x > 3(the sign was swapped bc dividing by a negative number means it has to)

11. B

For this you could just distribute the equations and we on that 7•4=28. And 7•5=35. I'm this case both of the numbers have to be negative so 7 has to be negative as well

12. C

Distribute -2/3 and you get 9q^2-2q+14/3+5q^2

Then combine like terms and 9q^2+5q^2=14q^2. Order them and ur answer is 14q^2-2q+14/3

5 0
3 years ago
Read 2 more answers
Which value of x satisfies the equation?<br> 1.6+x=4.8
finlep [7]
3.2=x______________________________
6 0
3 years ago
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A pair of parallel lines is cut by a transversal<br> What are the measures of the two marked angles?
krok68 [10]

Answer:

A 40 and 40

Step-by-step explanation: if two of the angles were cut by a transversal you would get A as an answer i think....

8 0
3 years ago
Rearrange 2y+6x=8 to make y the subject of the formula
Tomtit [17]

Answer:

y= 3x+4

Step-by-step explanation:

2y-6x=8

add 6x to each side

2y-6x+6x=6x+8

2y= 6x+8

divide each side by 2

2y/2 = 6x/2 + 8/2

y= 3x+4

4 0
2 years ago
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a country's population in 1990 was 134 million. in 2000 it was a 139 million. estimate the population in 2014 using the exponent
yuradex [85]
F=ir^t

139=134r^10

139/134=r^10

r=(139/134)^(1/10) then:

f=134(139/134)^(t/10)  so in 2014, t=24 so

f=134(139/134)^(2.4)

f≈146 million  (to nearest million)

Some will say that you have to use the exponential function, but it really gives you the same answer...even for continuous compounding :)...

A=Pe^(kt)

139=134e^(10k)

139/134=e^(10k)

ln(139/134)=10k

k=ln(139/134)/10 so

A=134e^(t*ln(139/134)/10)  when t=24

A=134e^(2.4*ln(139/134))

A≈146 million (to nearest million)

The only real reason or advantage to using A=Pe^(kt) is when you start getting into differential equations...
6 0
3 years ago
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