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Assoli18 [71]
3 years ago
12

!Brainliest!

Mathematics
2 answers:
professor190 [17]3 years ago
8 0

Answer:

m = 3

n = 14

p = 2

harina [27]3 years ago
4 0

Answer:

m = 3

n = 14

p = 2

Step-by-step explanation:

Given:

\frac{7}{x}-\frac{3}{2}=\frac{n-mx}{px}

We need to find the values of m, n, p

Solution:

We will first solve the L.H.S

L.H.S = \frac{7}{x}-\frac{3}{2}

Now we will first make the denominator common by taking L.C.M

=\frac{7\times 2}{x\times 2}-\frac{3\timesx}{2\timesx}\\\\= \frac{14}{2x}-\frac{3x}{2x}

Now the denominator is common hence we will subtract the numerators.

L.H.S = \frac{14-3x}{2x}

Now Comparing the the value of L.H.S with R.H.S we can say that;

\frac{14-3x}{2x}=\frac{n-mx}{px}

m = 3

n = 14

p = 2

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The window in Mr. Rodriguez's attic is in two parts, each shaped like a trapezoid and each with identical dimensions.
MaRussiya [10]

Answer and Step-by-step explanation:

First, ~multiply~base~and~height.~In~our~case~the~base~is~30~inches~and the~height~is~12~inches.Then,~we 'll~take~16~inches~and~multiply~it~with~12~inches

<u><em>So, it'll be :</em></u>

<u><em></em></u>30~inches × 12~inches =360~inches

16~inches × 12~inches=192~inches

Now,~that~we've~got~ 360 ~and~ 192~ as~ our~ answers ~we ~add~ them ~up..

<u><em>Like this :</em></u>

<u><em /></u>360+192=552<u><em /></u>

<u><em /></u>

<u><em /></u>And,~that's~our~final~answer!-522~in^2<u><em /></u>

4 0
3 years ago
Read 2 more answers
Jed needs a piece of wood that is exactly 9.185 ft long for his project. He went to the store and bought one that was 10 ft long
MrRissso [65]

to do this all you have to do is subtract 9.185 form 10 to get .815ft

5 0
3 years ago
10 2/6 - 7 5/6 i know its prob easy but i need help
miv72 [106K]

Answer: 2 1/3

Explanation:

10 2/6 - 7 5/6

You can make both a fraction by multiplying the denominator by the whole number, and then adding the numerator to that number, and keeping the denominator the same. So, 10*6 = 60 and 60 + 2 = 62 and you keep the denominator as 6, which would make 62/6

7*6 = 42 and 42 + 5 = 47 so 7 5/6 becomes 47/6

10 2/6 is equivalent to 62/6

7 5/6 is equivalent to 47/6

This just makes it easier to look at.

Now you just work through the equation.

62/6 - 47/6 = 15/6

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3 0
3 years ago
Let’s work with some actual data this time. Go online to research and find a set of real-world data in two variables. The data c
slega [8]

The quadratic regression equation that best fits the data set is y = 32.86x² - 379.14x  + 1369.14

<h3>The data points </h3>

The following table of values represents the data points that would be used to solve this question:

x 3 4 5 6 7 8 9

y 470 416 403 226 314 338 693

Where:

  • x represents years since 2000
  • y represents the annual revenue of a manufacturing company in thousand dollars

<h3>The function of the dataset</h3>

The table of values illustrates a quadratic function.

The function would be calculated using a graphing calculator

From the graphing calculator, we have:

a = 32.86; b = -379.14 and c = 1369.14

A quadratic regression equation is represented as:

y = ax² + bx + c

So, we have:

y = 32.86x² - 379.14x  + 1369.14

Hence, the quadratic regression equation that best fits the data set is y = 32.86x² - 379.14x  + 1369.14

<h3>Why the function type was chosen?</h3>

From the table of values in (a), we can see that as x increases; the value of y decreases and then increases after it reaches a minimum.

This illustrates the behavior of a quadratic regression function

See attachment for the scatter plot

Read more about quadratic regression equation at:

brainly.com/question/14786188

#SPJ1

5 0
2 years ago
In the month of June, the temperature in Johannesburg, South Africa, varies over the day in a periodic way that can be modeled a
Art [367]

Answer:

The answer is "\bold{T = - 7.5 \cos \frac{\pi}{12}( t - 4 )+ 10.5}"

Step-by-step explanation:

Given value:

Temp-maximum=18^{\circ}  

Temp. minimum = 3^{\circ}

It is halfway between 10 am and 10 pm to 4 am.  

The sinus and cosine roles could be used throughout the year to predict fluctuations in climate models. Its type of formula that can be used to model such information is:  

T = A \cos B(t-C) + D, where parameters are A, B , C, D, T is the ° C temperature and t is the time (1-24)

A = amplitude = \frac{(T_{max} - T_{min})}{2}\\\\

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B = \frac{2 \pi}{24}\\\\

   = \frac{\pi}{12}

C = \text{ units translated to the right}= 4

D = y_{min} + amplitude = units \ translated \ up\\\\

D = 7.5 + 3 = 10.5

Its trigonometric function equation that model temperature T hours after midnight in Johannesburg t.

T = - 7.5 \cos \frac{\pi}{12}( t - 4 )+ 10.5

6 0
3 years ago
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