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Fittoniya [83]
3 years ago
14

hayden has 6 rolls of dime s there are 50 dimes in each roll how many dimes does he have altoghether?

Mathematics
2 answers:
Kisachek [45]3 years ago
8 0
Just multiply the numbers together
Ede4ka [16]3 years ago
6 0
Hayden has 300 dimes
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If a 50-inch flat-screen now costs $1200, what will it cost in three years?
Wewaii [24]

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Step-by-step explanation:

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2 years ago
Which equation is the inverse of y = 9x2 - 4?
m_a_m_a [10]

Answer:

The inverse will be:

y' = \frac{\sqrt{x+4}}{3}

Step-by-step explanation:

In order to find the inverse of the equation, we do a variable change, since we are finding the inverse, :

f(x)  = 9x^{2} - 4

y = 9x^{2} - 4

x = 9y' ^{2} - 4

Now solve for y'.

First add 4 in both sides of the equation and change to the left y'.

x + 4= 9y'^{2} - 4+4

9y'^{2} = x + 4

Second divide by 9

9y'^{2}/9 = (x + 4)/9

y'^{2} = (x + 4)/9

Now you will have to clear y, with the square root.

[tex]y'^{\frac{2}{2}} = \sqrt{x + 4}  / \sqrt{9}[/tex] =

Simplifying terms

y' = \frac{\sqrt{x+4}}{3}

f^{-1}(x)  = \frac{\sqrt{x+4}}{3}

You can check the answer by doing the evaluation of the following equation:

(f o f^{-1} ) (x)

substitute the equation for y' or inverse function f^{-1}

f(\frac{\sqrt{x+4} }{3})

Now substitue the value into f(x)

You will have

= 9(\frac{\sqrt{x+4} }{3}} )^{2}  - 4\\\\Solving\\\\9(\frac{{x+4} }{9}} )  - 4

=x

5 0
3 years ago
2x + 4y = 30 x = y - 6
Rufina [12.5K]

Answer:

x = 1 ,  y = 7

Step-by-step explanation:

4 0
2 years ago
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the lengths of two sides of a triangle are 10 and 24. the third side is x how many whole number possible for x
Aleonysh [2.5K]

Answer:

  19

Step-by-step explanation:

The triangle inequality tells you the possible values of x are ...

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There are 19 integer values of x in this range.

6 0
2 years ago
To raise funds for uniforms and travel expenses, the soccer team is holding a car wash in a part of town with a lot of car and t
KengaRu [80]

Answer:

47

Step-by-step explanation:

$460 + $90 = $550

4 x $20 = $80

$550 - $80 = $470

$470/10 = 47

they have to wash 47 cars

4 0
2 years ago
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