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nlexa [21]
2 years ago
6

Question 1 of 12

Mathematics
1 answer:
GaryK [48]2 years ago
3 0

Answer:

305

Step-by-step explanation:

If she is at day 19, that means you have to multiply 15 (phones repaired each day)  times 19 (19th day) in order to get how many phones she has counted which is 285. To find how much she has left, you have to subtract 285 from 590 which gets you 305.

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WRITE A EQUATION ''THE QUOTIENT OF A NUMBER AND 20.7 is 9
zhannawk [14.2K]

Answer:

186.3

To find the answer you have to do inverse operations

9×20.7=186.3

186.3÷20.7=9

3 0
2 years ago
Read 2 more answers
Which expression represents the ratio of the difference of the two means to Sidney's mean absolute deviation
prohojiy [21]

Answer:

The ratio of the difference of the two means to Sidney's mean absolute deviation = \frac{4}{3.28} = 1.2195

Step-by-step explanation:

P.S - The exact question is -

Given - The means and mean absolute deviations of Sidney’s and Phil’s grades are shown in the table below.

                                       Sidney’s Grades           Phil’s Grades

Mean                                     82                                    78

Mean Absolute Deviation      3.28                                 3.96

To find - Which expression represents the ratio of the difference of the two means to Sidney’s mean absolute deviation?

Proof -

Given that Mean of Sidney Grades = 82

                 Mean of Phil's   Grades = 78

So,

The difference of two means = 82 - 78 = 4

Also,

Given, Mean Absolute Deviation of Sydney = 3.28

Now,

The ratio of the difference of the two means to Sidney's mean absolute deviation = \frac{4}{3.28} = 1.2195

4 0
3 years ago
What two numbers have a product of 36 and a sum of -13?
Free_Kalibri [48]

Answer:

nothing

Step-by-step explanation:

a product of 2 positive numbers always shows a positive value if we add them

6 0
2 years ago
Are trapezoids always, sometimes, or never a parallelogram?
tatyana61 [14]
THEY ARE ALWAYS PARALLELOGRAMS
8 0
2 years ago
Read 2 more answers
6 sqrt (x-2) +4 &lt; 28 <br><br>How do you solve? Btw.. x-2 is under sqrt sign.
Naya [18.7K]

Answer:

Step-by-step explanation:

6\sqrt{x-2}+4

8 0
3 years ago
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