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3 years ago

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Which costs more over the course of a year: a medium 3 item pizza, which costs $7.25, four times a week, or going out to a fine

dining restaurant ($85) twice a month?

1 answer:

tiny-mole [99]3 years ago

5 0

Mult. $7.25 by 4 times 4 (4 PIZZAS per week, for 4 weeks):

$7.25(4)(4) = $116

Fine dining: 2($85) = $170

So, the fine dining costs more!

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Below is a proof showing that the sum of a rational number and an irrational number is an irrational number.

ankoles [38]

Answer:

Step-by-step explanation:

To prove: The sum of a rational number and an irrational number is an irrational number.

Proof: Assume that a + b = x and that x is rational.

Then b = x – a = x + (–a).

Now, x + (–a) is rational because addition of two rational numbers is rational (Additivity property).

However, it was stated that b is an irrational number. This is a contradiction.

Therefore, the assumption that x is rational in the equation a + b = x must be incorrect, and x should be an irrational number.

Hence, the sum of a rational number and an irrational number is irrational.

4 0

3 years ago

Read 2 more answers

Given the list of terms 1/3, 1, 5/3, 7/3,.... Find the 15th and −16th term.

qwelly [4]

Answer:

15th term =29/3

16th term = 31/3

Step-by-step explanation:

Given an arithmetic sequence with the first term a1 and the common difference d , the nth (or general) term is given by an=a1+(n−1)d .

First we find the 15th term

n=15

a1=1/3

d=1 - 1/3 = 2/3

Solution

1/3+(15-1)2/3

1/3+28/3

(1+28)/3

29/3

Lets find the 16th term

1/3+(16-1)2/3

1/3+30/3

(1+30)/3

31/3

8 0

3 years ago

Nathan is a recreational cyclist. He can travel 10 miles in one hour on his bicycle. Which graph represents the number of miles

PolarNik [594]

Answer:

See attachment for graph

Step-by-step explanation:

Given

$1\ hr = 10\ miles$

Required

The graph that shows the number of miles in x hours

We have:

$1\ hr = 10\ miles$

Multiply both sides by x

$x * 1hr = 10miles * x$

$xhr=10x\ miles$

So, the function is:

$f(x) =10x$

4 0

2 years ago

Help please pleassse

ASHA 777 [7]

Answer:

$n=\frac{8}{3}$ or $n = 2\frac{2}{3}$

Step-by-step explanation:

Multiply both sides of the equation by $\frac{10}{3}$

$(\frac{10}{3}) (\frac{3}{10})*n= (\frac{10}{3})(\frac{4}{5})$

Simplify both sides of the equation.

$n=\frac{8}{3}$ or $n = 2\frac{2}{3}$

<em>hope this helps :)</em>

7 0

3 years ago

Johnny wanted to rent out a Pizza place for his birthday party. They charged $25 for the room plus $7 PER person (p). Write an e

emmasim [6.3K]

That the equation 25+7(C)

8 0

3 years ago