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2 years ago

A 3 inch by 5 inch photograph is enlarged so that the longer side is 15 inches.

Mathematics

1 answer:

valentina_108 [34]2 years ago

5 0

Answer:

the length of shorter side is 9 inches.

longer side is enlarged 3times

so shorter side will also be enlarged 3 times.

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5x-3.5=12.5 what is x?

Vadim26 [7]

Answer:

x=3.2

Step-by-step explanation:

12.5+3.5=16

16÷5= 3.2

6 0

2 years ago

The table shows a function. Is the function linear or nonlinear?

9966 [12]

Answer:

nonlinear

Step-by-step explanation:

Hey There!

A linear function would have a straight line when graphed meaning that it would have a constant slope

This is a nonlinear function because y is not moving at a constant rate with x

16-8=8

8-2=6

It went down 8 then it went down 6

therefore it is a nonlinear function

5 0

2 years ago

The rational expression fraction numerator x squared plus 6 x minus 7 over denominator x squared plus 9 x plus 14 end fraction s

Thepotemich [5.8K]

The simplification of rational expression (x²+6x-7)/(x²+9x+14) gives

(x-1)/(x+2).

<h3>What is factorisation?</h3>

A polynomial or integer is simply resolved into components that, when multiplied together, produce the original or starting polynomial or integer.

The factorization method allows us to simplify any algebraic and quadratic equation by representing the equations as that of the product or factors rather than by expanding the brackets.

Any equation can have an integer, a variable, or the algebraic expression itself as a factor.

The given expression is -

= (x²+6x-7)/(x²+9x+14)

Factorising both numerator and denominator;

= {x+7x-x-7} / {x+7x+2x+14}

= {x(x+7)-(x+7)} / {x(x+7)+2(x+7)}

= {(x+7)(x-1)} / {(x+7)(x+2)}

Cancel the (x+7),

= (x-1)/(x+2)

Therefore, the simplification of the given equation is (x-1)/(x+2).

To know more about factorisation, here

brainly.com/question/11579257

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7 0

1 year ago

Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week. Fourteen people ans

elena-s [515]

Answer:

The questions are

What does the frequency column in the attached table sum to?
What does the relative frequency column in attached table sum to?
What is the difference between relative frequency and frequency for each data value in the attached table?
What is the difference between cumulative relative frequency and relative frequency for each data value in attached table?

The correct answers are

65
1
The relative frequency gives the relative proportion of each frequency in the sample while
The frequency is the observed number of count of each grouping has in a given sample size

Step-by-step explanation:

1. The frequency column in the attached column sums up to 65 because it is the total number of sales persons selected

2. The relative frequency column in the attached table sum up to 1 because it is the sum of the fractions of the individual frequencies to the total frequency

3. The difference between relative frequency and frequency for each data value is that

The relative frequency gives the relative proportion of each frequency in the sample while

4. The frequency is the observed number of count of each grouping has in a given sample size

6 0

2 years ago

What is the perimeter of the plot of the parking lot?

SIZIF [17.4K]

Answer:

give me specfic measurments and ill give you the anwser

Step-by-step explanation:

8 0

2 years ago