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vivado [14]
3 years ago
13

Please help me with these two following questions ( second question has answer choices ) Thanks!

Mathematics
2 answers:
ozzi3 years ago
8 0
I Think the answer is B as well
Nitella [24]3 years ago
3 0
B. i hope this helps

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Find the total cost. $ 1,299 T.V.; 7% tax<br> Math
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The total to this would be $1,389.93 because $1,299 + 7% = $1,389.93
4 0
3 years ago
David hikes 2 ¼ miles in ½ an hour at this rate, how long will it take him to walk 18 miles?
8090 [49]
So in 30 min will hike 2 1/4 miles =9 of those 1/4 miles therefore in 10 min will hike 9/3 =3 of those 1/4 miles = 3/4 of a mile

3/4 mile in 10 min;
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6 miles in 80 min;
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5 0
3 years ago
For a standard normal distribution, find the approximate value of P(-0.78 = z = 1.16). Use the portion of the standard normal ta
VikaD [51]

Correction:

I think the question should be like that find the approximate value of

P(-0.78 < z < 1.16)?


Now,

the symbol Ф represent the cumulative density.

first find the

Ф(1.16) from the above given table which is equal to 0.8770.

Now,

find the Ф(-0.78) .

in our table we are given the value of Ф(0.78)=0.7823

so as the curve is symmetrical Ф(-0.78)=1-0.7823=0.2177


P(-0.78 < z < 1.16) = Ф(1.16)-Ф(-0.78)

= 0.8770-0.2177

= 0.6593

6 0
3 years ago
Read 2 more answers
An average of 15 people visited a neighborhood lemonade stand over 3 days.On the first day 18 people came to the stand on the se
Lunna [17]
11 people. Hope this helped!!
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2 years ago
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Given that p = 3, q= 5 and r= 7, work out the value of 2pqr.
mario62 [17]

Answer:

2pqr =2 (3)(5)(7) = 210

3 0
2 years ago
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