Michelle has $12.30 in her purse in 1 cent 5 cent and 25 cent coins. if she has an equal number of each coin type how many coins does Michelle have in her purse?

Answers

Answer 1
Answer: x-number\ of\ each\ coin\ type\n \n0.01+0.25+0.05=0.31\n \n 12.30:0.31=39.6774193548\n \nI\ think\ it \ should\ be\ \ \ \ \$12.40\n \n12.40:0.31=40\ \ \ \Rightarrow\ \ \ 40\cdot3=120\n \nAns.\ Michelle\ have\ in\ her\ purse\ 120\ coins .
Answer 2
Answer: 48 quarters is $12
5 nickels is .25
5 pennies is .5
the total is $12.30

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The price per share of Envx stock is dropping at a rate of $1.45 each hour what rational number represents the change in the price per share after 5 hours?

Answers

Answer:

-7.25

Step-by-step explanation:

Given,

The stock is dropping at the rate of $1.45 each hour,

So, the change in price of the stock in one hour = - $1.45,

Thus, the total change of the stock in 5 hours

= 5 × change in 1 hour

= 5 × 1.45

= -$ 7.25

∵ A terminating decimal number is always a rational number ( however it is negative )

i.e. the rational number that represents the change in the price per share after 5 hours is -7.25.

Maybe 7.25 because you may have to multiply I am really not sure but hopefully this helps

Jimmy is selling used books at a yard sale. A customer buys 9 books at a cost of $0.75 each and pays with a $20.00 bill. Jimmy must determine c, the amount of change in dollars he should give the customer. Which equation represents c?mc017-1.jpg
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Answers

Answer: .75(9)+c=20

Explanation: Took the quiz

What is the solution set -4.9x +1.3 > 11.1

Answers

Answer:

x < - 2

Step-by-step explanation:

given - 4.9x + 1.3 > 11.1 ( subtract 1.3 from both sides )

- 4.9x > 9.8 ( divide both sides by - 4.9 )

Remembering to reverse the direction of the inequality symbol as a result of dividing by a negative quantity.

x < - 2 ← inequality reversed

solution set : x ∈ ( - ∞, - 2 )


Answer:

x is over 2 :)

Step-by-step explanation:

Solve this problem.Brianna paid $18.89 for a pair of sandals. She bought a pair of hiking boots that cost $12 more than her sandals. How much did Brianna pay for the two pairs of shoes?

How can estimation be used to make sure the answer is reasonable?

A.
Answer: Brianna paid $42.89.
Estimation: $19 + $12 = $31
$31 + $12 = $43
Brianna paid about $43 for the shoes.

B.
Answer: Brianna paid $25.78.
Estimation: $19 – $12 = $7
$19 + $7 = $26
Brianna paid about $26 for the shoes.

C.
Answer: Brianna paid $49.78.
Estimation: $19 + $12 = $31
$31 + $19 = $50
Brianna paid about $50 for the shoes.

Answers

Im very sure it is C, I'm very positive
The answer is C it's very easy

What isSlope-Intercept Form

Answers

Slope-intercept form is the formula:
Y=mx + b
The m= the slope
The b= the y-intercept
For example,
If you had the slope intercept form
Y=5x + 6
5= slope
6= y-intercept

the slope intercept form is the rate of change between any two points on a line it always is the same. The constant rate of change is called the slope of the line. Slope is the ratio of the rise, or vertical change, to the run, or horizontal change.                     

So Slope intercept form is basically Rise over Run.   


How do you simplify 3:9:15:24

Answers

All of those numbers have a common factor, which is 3. So you divide all of their values by 3.

3:9:15:24
=1:3:5:8

Because the values cannot be divided anymore, this ratio is in it's simplest form.