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3 years ago

Why is pi the best example of an exponent

1 answer:

3 0

Pi is seldom useful as an exponent, and is hardly ever used as one.
If you need to show somebody an example of an exponent, I think
that pi is one of the worst examples you can choose.

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5. Evaluate f(x) = 2x – 7 at the given value. f(4)=?

slava [35]

Answer:

f(5) = 14

Step-by-step explanation:

Just replace the variable "x" with "5":

f(5) = 2×5 + 4 = 14

8 0

3 years ago

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You want to buy a new pair of Kickin’ sneakers and you see the following ads: Store A All Sneakers 25% Off! Kickin’ Brand priced

maksim [4K]

Answer:

store a

Step-by-step explanation:

Store A: 25% off on $80 is $20, so the sneakers would be $60. Take 10% of $60 to get $6 off. The sneakers at Store A would cost $60 - $6 = $54. Store B: 20% off on $80 is $16, so the sneakers would be $64. Take 15% of $64 to get $9.60 off. The sneakers at Store B would cost $64 - $9.60 = $54.40.

7 0

4 years ago

A 90-inch length of ribbon is to be cut into three pieces. The longest piece is to be 30 inches longer than the shortest piece,

Free_Kalibri [48]

Lets name the shortest piece a, the medium b and the longest c

Together they are 90inches
$a + b + c = 90$
The longest is 30 inches longer than the shortest
$c = a + 30$
The third piece is half the lenght of the longest
$b = \frac{c}{2}$

So if you place c=a+30 in the other 2 equasions you get

$a + b + (a + 30) = 90 = 2a + b + 30$
And
$b = \frac{30 + a}{2}$
Now if you put this 2 toghether u get
$2a + \frac{30 + a}{2} + 30 = 90$
Multyplied by 2
$4a + 30 + a + 60 = 180$
$5a = 90$
Meaning that a=18inches

Now that we have the lenght of a we put it in the previous equasion

$b = \frac{30 + 18}{2}$
So b=48/2 which means b=24inches

And together they must be 90 so

$18 + 24 + c = 90$

C=48inches

6 0

3 years ago

the area of a rectangle garden is 60ft^2. the length is an irrational number. explain why or why not the width must be a fractio

Sindrei [870]

Area of a rectangle is given by the formula length x width

length x width = 60ft^2

if the length is an irrational number then most likely the width can be one too
for example
length = 60^1/2
then width must be 60^1/2
since 60^1/2 * 60^1/2 = 60ft^2

7 0

3 years ago

What is the square root of 18?

attashe74 [19]

Roughly 4.22 or so unless you need an exact one then it is $3 \sqrt{2}$

6 0

3 years ago

Read 2 more answers