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IgorC [24]
3 years ago
8

Look at the picture attached :)

Mathematics
1 answer:
Karolina [17]3 years ago
4 0
I think it is B
Not sure
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Based on the data from three annual checkups, Jon’s mean height is 62 in. At the first two checkups, Jon’s height was 58 in. and
Vadim26 [7]

Answer:

  b.  67

Step-by-step explanation:

In order for the average to be 62, the total of differences from 62 must be zero. The two given numbers have differences of -4 and -1, for a total of -5. In order for the total of differences to be zero, the third number must have a difference from 62 of +5. It must be 62+5 = 67.

Jon's height at his third checkup was 67 inches.

5 0
3 years ago
Read 2 more answers
A scientist begins with 50 milligrams of a radioactive substance that decays exponentially. After 40 hours, 25 mg of the substan
saveliy_v [14]

Based on the information given, the number of milligrams that will remain after 59 hours will be 13.125 milligrams.

Since after 40 hours, 25 mg of the substance has been removed, therefore, the rate per hour will be:

= 25/40 = 0.625.

The amount that will be removed in 59 hours will be:

= 59 × 0.625 = 36.875

The number of milligrams that will remain will be:

= 50 - 36.875 = 13.125 milligrams

Read related link on:

brainly.com/question/25776703

8 0
2 years ago
What's the question? The estimated product of two numbers that are not multiples of 10 is 2800.
Neporo4naja [7]

Seems to me like the question is:  What are the two numbers ?

They have to multiply to  2,800 . 
It's fairly easy to find two numbers that do that,  BUT ...
they're not supposed to be multiples of 10 .

1 x 2,800 = 2,800 . . . . . No good.  2,800 is a multiple of 10 .

2 x 1,400 = 2,800 . . . . . No good.  1,400 is a multiple of 10 .

4 x 700 = 2,800 . . . . . No good.  700 is a multiple of 10 .

5 x 560 = 2,800 . . . . . No good.  560 is a multiple of 10 .

7 x 400 = 2,800 . . . . . No good.  400 is a multiple of 10 .

8 x 350 = 2,800 . . . . . No good.  350 is a multiple of 10 .

10 x 280 = 2,800 . . . . . No good.  280 is a multiple of 10 .

14 x 200 = 2,800 . . . . . No good.  200 is a multiple of 10 .

16 x 175 = 2,800 . . . . . Finally !  Neither one is a multiple of 10 .

6 0
3 years ago
The lifespans of meerkats in a particular zoo are normally distributed. The average meerkat lives 13.1 years; the standard devia
Ilia_Sergeevich [38]

Answer:

<em>The probability between 16.1 and 17.6 years = 0.0214 years </em>

<em>The  Estimate  probability between 16.1 and 17.6 years = 2.14 years</em>

<em>Step-by-step explanation:</em>

<u><em>Step(i)</em></u>:-

Given the average of Population 13.1 years

The standard deviation of the Population = 1.5 years

<em>Let 'x' be the random variable in Normal distribution</em>

<em>Given x = 16.1</em>

         Z _{1} = \frac{x- mean}{S.D}

            =\frac{16.1-13.1}{1.5}

           = 2

       <em> Z₁ = 2</em>

<u><em>Step(ii):</em></u><em>-</em>

<em>Given x = 17.6</em>

      Z_{2}  = \frac{17.6- 13.1}{1.5}

<em>      Z ₂= 3</em>

<em> Z₁ = 2 and </em> <em>    Z ₂= 3 are both positive</em>

<em>The Estimate probability between 16.1 and 17.6 years</em>

<em>P( 16.1<x<17.6) = P( 2 < Z < 3)</em>

<em>                       </em> = A(3) - A(2)

                      =  0.49865 - 0.4772 (from normal table)

                     = 0.0214

<em>The probability between 16.1 and 17.6 years = 0.0214 years </em>

<em>                                                                        =  0.0214 ×100 </em>

<em>                                                                       = 2.14 years</em>

<u><em>Final answer</em></u><em>:-</em>

<em>The  Estimate  probability between 16.1 and 17.6 years = 2.14 years</em>

                                                                                           

8 0
3 years ago
Read 2 more answers
What time is it in eastern time in united states only rob0604 can answer it
wlad13 [49]

Answer:

11:05

Step-by-step explanation:

3 0
3 years ago
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