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Lelechka [254]
3 years ago
6

Fourteen percent of u.s. residents are in their forties. consider a group of eight u.s. residents selected at random. find the p

robability that at least four of the people in the group are in their forties.
Mathematics
1 answer:
vesna_86 [32]3 years ago
6 0
Answer is always A. It just is.. don't ask how i know.
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Can somebody help me please
BabaBlast [244]

Answer:

Find the slope of the original line and use the point-slope formula

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5 0
2 years ago
If AC = 36 and BC = 18, find AD. Round to the nearest tenth, if necessary.
KengaRu [80]
<span>Using: a^2 + b^2 = c^2 (pythagoras theorem)
where 'a' and 'b' are the legs of a right triangle, c is the hypotenuse
</span><span>compare the triangle I just drew to the triangle you have for your problem
</span><span>you'll see that a = unknown b = 18 c = 36
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7 0
3 years ago
Sum of first n terms of an ap sequance is 3n2+5n.what is the sum of its first n+1 terms.find the sum of its first 10 terms.
inessss [21]

Answer:

a) 3n^2 + 11n + 8

b) 350

Step-by-step explanation:

10) 3(10^2)+ 5*10 = 350

n+1) 3(n+1)^2 + 5(n+1)

        3(n^2 + 2n + 1) + 5n+5

         3n^2 + 6n+3 + 5n + 5

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3 0
3 years ago
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vlabodo [156]

Answer:

3

Step-by-step explanation:

im not sure on this sorry i havent dont it in a LONGG time<3

here is how i got it:

3+a

a=1     n=-1

3+1-1

8 0
2 years ago
What's pi to as many decimal places?
Reil [10]
2 decimal places for regular . 3.14
4 0
3 years ago
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