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2 years ago

If 4 – (2x – 3) = 3, what is the value of x? 9 1 2 -2

Mathematics

1 answer:

MrRissso [65]2 years ago

3 0

4-(2x-3)=3 x=2 because 4 - [(2 x 2) - 3]=3

So X eqauls 2

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5/10, 7/12, 4/60

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2 years ago

Volume of a cube is 1728 cm3.Find its surface area

Leno4ka [110]

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2 years ago

If three quarters of a number decreased by twenty is equal to eighty two, what is that number?

Studentka2010 [4]

A number is :

$x$

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Three quarters of it means :

$\frac{3}{4}x \\$

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Decrease by 20 means :

$\frac{3}{4}x - 20 \\$

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Equals to 82 means :

$\frac{3}{4}x - 20 = 82 \\$

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x asked so we must solve the above equation for x.

Let's do it....

$\frac{3}{4}x - 20 = 82 \\$

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$\frac{3}{4}x = 102 \\$

Multiply sides by 4

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$x = \frac{102}{3} \times 4 \\$

Simplify

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So that number is 136 .

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3 years ago

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4 0

2 years ago

In 2012 your car was worth $10,000. In 2014 your car was worth $8,800. Suppose the value of your car decreased at a constant rat

Sonbull [250]

Answer:

g(t) = 10000(0.938)^t

Step-by-step explanation:

Given data:

car worth is $10,000 in 2012

car worth is $8000 in 2014

let linear function is given as

P(t) = at + b

which denote the value of car in year t

take t =0 for year 2012

at t =0, 10,000 = 0 + b

we get b = 10,000

take t =2 for year 2014

at t =2, P(2) = 2a + b

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a = - 600

Thus the price of car at year t after 2012 is given as p(t) = -600t + 10000

let the exponential function $p(t) =ab^2$ where t denote t = 0 at 2012

putting t = 0 P(0) = 10,000 we get 10,000 = ab^0

a = 10,000

putting t = 2 p = 8800

$8800 =ab^2$

$b^2 = \frac{8800}{10000}$

b = 0.938

g(t) = 10000(0.938)^t

3 0

3 years ago