3 years ago

Write an equation that represents the data in the table:

Mathematics

1 answer:

Nadya [2.5K]3 years ago

5 0

Y = x + 12 or x = y - 12

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A right pyramid with a square base has a base length of x inches, and the height is two inches longer than the length of the bas

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Point C is on line segment \overline{BD} BD . Given CD=x,CD=x, BC=5x-5,BC=5x−5, and BD=2x+7,BD=2x+7, determine the numerical len

NARA [144]

Answer:

$CD = 3$

Step-by-step explanation:

Given

$CD = x$

$BC = 5x - 5$

$BD = 2x + 7$

Required

Determine CD

Since, C is a point on BD, the relationship between the given parameters is;

$BD = BC + CD$

Substitute the values of BD, BC and CD

$2x + 7 = 5x - 5 + x$

Collect Like Terms

$2x - 5x - x = -5 - 7$

$-4x = -12$

Divide both sides by -4

$\frac{-4x}{-4} = \frac{-12}{-4}$

$x = 3$

To determine the length of CD;

Substitute 3 for x in $CD = x$

Hence;

$CD = 3$

3 0

3 years ago

The formula for estimating the number, N, of a certain product sold is N = 9200ln(5t + 3), where t is the number of years after

Lilit [14]

To determine the expected number of sales after 3 years of a product, we need an equation that would relate time with the number of sales. In this case, we use the equation above which expresses the number of sales as a function of time. We simply substitute the time which would be 3 years to the equation and evaluate the value of N. We do as follows:

 N = 9200 ln (5t + 3)
 N = 9200 ln (5 ( 3 ) + 3)
 N = 9200 ln 18
N = 26591.42

Therefore, the correct answer would be option B. The number of sales after 3 years would be about 26591.

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4 years ago

What is the y-coordinate of the solution of the system of equations? {y=3x−26 2x−y=19 Enter your answer in the box.

MArishka [77]

Answer:

The y-coordinate of the solution is -5.

Step-by-step explanation:

I graphed the equations on the graph below to find the solution of the system.

If this answer is correct, please make me Brainliest!

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