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Natali [406]
3 years ago
8

At Southside Middle School, 20% of the students play an instrument. There are 305 students. How many students play an instrument

?
Mathematics
1 answer:
irga5000 [103]3 years ago
6 0
305 x .2 or 20% is 61 so 61 students play an instrument
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Find the slope of each line then tell what the slope represents
morpeh [17]
1. find slope
x=tickets sold
y=money made
slope=(y2-y1)/(x2-x1)
take any point
(5,23.75) and (10,47.50)
input (note, (x,y))
(47.50-23.75)/(10-5)=23.75/5=4.75
slope=4.75
y=mx+b
m=slope
b=yintercept
y=4.75x+b
input
47.5=4.75(10)+b
47.5=47.5+b
b=0

equation is y=4.75x
if ticket sold is 24 then x=24
y=4.75(24)
y=114
answer is $114

2. points
(0,56.00) and (3,45.5)
slope=(y2-y1)/(x2-x1)
slope=(45.5-56.00)/(3-0)=-3.5
y=-3.5x
slope=-3.5
logic it yourself
equation is
y=-3.5x+0
y intercept is when x=0 so when the start of it was or when time=0
x intercept is when y=0 is when he has no money left





1.a. rate of change=4.75
   b. $114

2. a.do this yourself, (desmos graphing calculator)
   b. slope=-3.5 (duh, means money goes down with time)
   c. equaiton is y=-3.5x+0, xint meanss when he has no money, y int means when time=0 or when it started
3 0
3 years ago
9s+3=57<br> Z/5+3=-35<br> 7(c-12)=-21
Fudgin [204]
The answer you're looking for is s=6.
by substitution you'd get 6.
4 0
3 years ago
What is 13 to the power of 200
ser-zykov [4K]

Answer:

6.147103e+222

8 0
3 years ago
Read 2 more answers
Suppose that the local sales tax rate is 6.25% and you purchased a used car for $16,800. What is the car’s total cost?
Tanzania [10]
Total= Car Cost + (Car Cost * Tax %)

Total= $16,800 + ($16,800 * 6.25%)
convert % to decimal form; divide % by 100

Total= $16,800 + ($16,800 * 0.0625)
multiply inside parentheses

Total= $16,800 + $1,050

Total= $17,850


ANSWER: The total cost for the used car with tax is $17,850.

Hopd this helps! :)
7 0
3 years ago
Read 2 more answers
What’s 1/3 • 5/4 and 1/5•2/3
Debora [2.8K]

Answer:

Step-by-step explanation:

1/2 + 2/3 + 5/4 = 29/

12

= 2 5/

12

≅ 2.4166667

4 0
3 years ago
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