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Paul [167]
4 years ago
8

I need help with how to solve this problem. It is #14. It already shows the answer (1point) but I need help on how to get there

please.

Mathematics
1 answer:
Hitman42 [59]4 years ago
7 0

Answer:

Option 4: 0.554

Step-by-step explanation:

As we can see that the intervals and their frequencies are given.

We have to calculate the probability of students' score falling between 70 and 89. It will use the frequency of both intervals 70-79 and 80-89.

So, combined scores of both intervals are:

172+105 = 277

Now to find the probability

= 277/500

=0.554

So option no 4 is the correct answer ..

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Select the proper order from least to greatest for 2⁄3 , 7⁄6 , 1⁄8 , 9⁄10 . A. 2⁄3 , 9⁄10 , 7⁄6 , 1⁄8 . B. 1⁄8 , 9⁄10 , 7⁄6 , 2⁄
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Know this?  Add apples to apples and oranges to oranges.
This problem becomes much easier if the fractions are converted to decimal fractions for comparison purposes:

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4 years ago
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frutty [35]

Answer:

x = 15

Step-by-step explanation:

<u>If angles are complimentary, they add up to 90 degrees</u>

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<u>Step 2:  Solve for x</u>

x + (3x + 30) = 90

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expeople1 [14]

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<em>y</em> = 2<em>x</em> + 2  ==>  -2<em>x</em> + <em>y</em> = 2

<em>y</em> = 2<em>x</em> + 5  ==>  -2<em>x</em> + <em>y</em> = 5

This tells us the parallelogram in the <em>x</em>-<em>y</em> plane corresponds to the rectangle in the <em>u</em>-<em>v</em> plane with 1 ≤ <em>u</em> ≤ 4 and 2 ≤ <em>v</em> ≤ 5.

Compute the Jacobian determinant for this change of coordinates:

J=\begin{bmatrix}\frac{\partial u}{\partial x}&\frac{\partial u}{\partial y}\\\frac{\partial v}{\partial x}&\frac{\partial v}{\partial y}\end{bmatrix}=\begin{bmatrix}1&1\\-2&1\end{bmatrix}\implies|\det J|=3

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5 0
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A quantity of insulin used to regulate sugar in the bloodstream breaks down by about 5% each minute. A body-weight adjusted dose
natima [27]
A ) A function representing the amount of the dose that remains:
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B ) Graph is in the attachment.
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Answer:
D ) f ( x ) = 10 ( 0.95 ) x; about 6 units.
Download docx
7 0
3 years ago
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