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PtichkaEL [24]
1 year ago
12

to set up a model linear equation to fit real world applications, what should always be the first step?​

Mathematics
2 answers:
Brilliant_brown [7]1 year ago
5 0

Answer:

to setup the model linear equation to fit a real world application we must first determine the non quantities and the find the unknown quality as a variable can be begin to interview to the voice as mathematical expressions using mathematical symbols

solmaris [256]1 year ago
3 0

Answer:

Define the variables.

Step-by-step explanation:

Define the variables, then set up the equations, and finally solve the system using graphing, substitution, or elimination method.

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5#The distribution of scores on a standardized aptitude test is approximately normal with a mean of 480 and a standard deviation
kirza4 [7]

We want to find the value that makes

P(X\ge x)=0.2

To find it we must look at the standard normal table, using the complementary cumulative table we find that

P(Z\ge z)=0.20045\Leftrightarrow z=0.84

Then, using the z-score we can find the minimum score needed, remember that

z=\frac{x-\mu}{\sigma}

Where

σ = standard deviation

μ = mean

And in our example, x = minimum score needed, therefore

\begin{gathered} 0.84=\frac{x-480}{105} \\  \\ x=0.84\cdot105+480 \\  \\ x=568.2 \end{gathered}

Rounding to the nearest integer the minimum score needed is 568, if you get 568 you are at the top 20.1%.

7 0
1 year ago
You travel from city A to city B and back your trip last five and a half hours and you maintain a speed of 64 miles per hour the
malfutka [58]

Answer:

401 MILES

Step-by-step explanation:

miles from A to B:

64 * 5.5 = 352 miles

miles from A to C:

352 + 49 = 401 miles

3 0
3 years ago
Find the area of the triangle when b=8 and h=14
babunello [35]

Answer:

56 square units

Step-by-step explanation:

The formula for the area of a triangle of base b and height h is:

A = (1/2)(b)(h)

Here, that area is   A = (1/2)(8)(14) = 56 square units

4 0
2 years ago
120 inch board cut in 8 inch
Vikki [24]

Answer:

15, 8 inch boards

Step-by-step explanation:

120/8=15

4 0
3 years ago
Help pleaseeeeeeeeeee
vovikov84 [41]

Answer:

d

Step-by-step explanation:

7 0
2 years ago
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