3 years ago

If P (A)=0.84, P(B)=0.76 AND P(A OR B) =0.9, THEN P (A and B)=0.7

Mathematics

1 answer:

STatiana [176]3 years ago

4 0

Sorry i tried to figure it out but i could not seem to get the answer. :(

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Sue drank 2/5 of her water bottle and sally drank 4/10 of her water bottle how much water did both girls drank?

stealth61 [152]

well, clearly the LCD from the denominators of 5 and 10 is just 10, thus

$\bf \stackrel{\textit{Sue}}{\cfrac{2}{5}}+\stackrel{\textit{Sally}}{\cfrac{4}{10}}\implies \stackrel{\textit{LCD of 10}}{\cfrac{(2)2~~+~~(1)4}{10}}\implies \cfrac{2+4}{10}\implies \cfrac{6}{10}\implies \stackrel{\textit{simplified}}{\cfrac{3}{5}}$

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3 years ago

The endpoints of CD are C(−2, 0) and D(4, 9).<br> The coordinates of the midpoint M of CD are?

jenyasd209 [6]

Answer:

Step-by-step explanation:

for midpoint

x₁ = -2, y₁ = 0

x₂ = 4, y₂ = 9

for midpoint

(x₁+x₂)/2 , (y₁+y₂)/2

(-2+4)/2 , (0+9)/2

2/2 , 9/2

1, 4.5

4 0

3 years ago

Read 2 more answers

A senior class at Smith High School has 84 students.

sattari [20]

Answer: 44 boys and 40 girls

Step-by-step explanation:

x = number of girls

x + 4 = number of boys

x + x + 4 = 84

2x + 4 = 84

2x = 80

x = 40

84 - 40 = 44

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3 years ago

9. Eric guessed that Troop A was going to have 23 members in 2011 when they actually had 20. How much was Eric off by in his est

julia-pushkina [17]

Answer:The answer is D

Step-by-step explanation:

23 - 20=3

(3 ➗ 20) *100

= 3 ✖ 5

=15%

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2 years ago

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Airida [17]

Answer:

The answer is in the attachment!

Step-by-step explanation:

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3 years ago