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2 years ago

Marks age, X is six times his age 2 years ago. which equation represents the statement

Mathematics

2 answers:

FinnZ [79.3K]2 years ago

6 0

x=6x-2 This would be your answer, hope this helps if you need any further explanation feel free to let me know and I would be happy to help you out.

Ne4ueva [31]2 years ago

3 0

The first thing we must do for this case is to define a variable.

We have then:

x: Age of Mark

Mark's age two years ago is given by:

$x-2$

We know that Mark's age is six times the age he was two years ago.

Therefore, the expression that models the problem is given by:

$x = 6 (x-2)$

Answer:

The equation that models the problem is:

$x = 6 (x-2)$

option 3

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schepotkina [342]

Answer:

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Step-by-step explanation:

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2 years ago

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1 year ago

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2 years ago

Using the quadratic formula to solve 11x2 – 4x = 1, what are the values of x? StartFraction 2 Over 11 EndFraction plus-or-minus

slamgirl [31]

Answer:

$x=\frac{2}{11}\pm\frac{\sqrt{15}} {11}$

Step-by-step explanation:

we know that

The formula to solve a quadratic equation of the form

$ax^{2} +bx+c=0$

is equal to

$x=\frac{-b\pm\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$11x^{2} -4x=1$

equate to zero

$11x^{2} -4x-1=0$

$a=11\\b=-4\\c=-1$

substitute in the formula

$x=\frac{-(-4)\pm\sqrt{-4^{2}-4(11)(-1)}} {2(11)}$

$x=\frac{4\pm\sqrt{60}} {22}$

$x=\frac{4\pm2\sqrt{15}} {22}$

$x=\frac{2\pm\sqrt{15}} {11}$

$x=\frac{2}{11}\pm\frac{\sqrt{15}} {11}$

therefore

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7 0

2 years ago

Read 2 more answers

2. Ella invests $2,000 in an account that pays a 4% annual interest rate, compounded continuously. What is the value of her acco

Mademuasel [1]

Answer: $2,442

Step-by-step explanation:

P=2000

r= 4%= 4/100= 0.04

t= 5 years

A is therefore 2000e0.04(5)

=2000e0.2

=$2,442.8

To the nearest dollar will give $2,442

7 0

2 years ago