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dedylja [7]
4 years ago
12

The sum of 11 and k??

Mathematics
1 answer:
Marizza181 [45]4 years ago
5 0
11 + k

The 'sum' means addition. If the problem gives you a k value, therefore you can just plug the k value in for K. 
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The pregnancy length in days for a population of new mothers can be approximated by a normal distribution with a mean of 269 day
fenix001 [56]

Answer:

a) 279 b)254

Step-by-step explanation:

Mean = 269 days

standard deviation = 8 days

let n be the pregnancy lenght.  

using normal distribution formula

z = (n – mean)/ standard deviation

n = z * standard deviation + mean

Now, z values for the top 12% has to be found using a z table.

The top 12% means 88% of area under the curve. In this case z = 1,176

n = 1,176 * 8 + 269

n = 278.4 = 279

The bottom 3% means 97% of area under the curve. In this case z = -1,882

n = -1,882 * 8 + 269

n = 253.94 = 254

6 0
4 years ago
Which best expression is the best estimate of the product of 7/8 and 8 1/10
Mars2501 [29]

Answer:

D. 1x8

Step-by-step explanation:

7/8 rounded is 1. And 8 and 1/10 rounder is 8, so therefore your answer is 1x8.

hope this helps! :)

7 0
4 years ago
ONE OF THE FIRST WALKING ROBOTS HAD A TOP
vazorg [7]

Answer:

? can you explain this a little better

Step-by-step explanation:

3 0
3 years ago
Joe's employer will reimburse him $0.07 per mile driven. If Joe drives 179.53 miles on a business trip, what is his mileage reim
Reika [66]

Answer:

$12.27

Step-by-step explanation:

.07 times 179.53 is 12.5671 so rounded to 12.27

3 0
3 years ago
Solve for the value of v.
DanielleElmas [232]

Answer:

V=14

Step-by-step explanation:

Well its a supplementary angle if you add everything together.

We know theres a 90 degrees angle and a 34 degree angle.

90+34=124

124+4v=180

Since if you add everything up its a straight line

Solve the equation normally

56=4v

14=v

4 0
3 years ago
Read 2 more answers
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