Answer:
1450$
Step-by-step explanation:
follow the basic steps to calculate the mean.
1. add up all of the numbers in the data set. in this case you would add up the all of the money since the question is asking for that.
2. divide by the amont of numbers there are.
1400+800+2150=4350
4350÷3=1450
hope this helped :)
Answer:
y=2/3x
Step-by-step explanation:
y=mx+b
m is the slope
b is the y-intercept
y=2/3x
here the y-intercept is not written in the equation because it's 0
Answer:
x=15
Step-by-step explanation:
Step 1: Simplify both sides of the equation.
9x−38+4x+23=180
9x+−38+4x+23=180
(9x+4x)+(−38+23)=180(Combine Like Terms)
13x+−15=180
13x−15=180
Step 2: Add 15 to both sides.
13x−15+15=180+15
13x=195
Step 3: Divide both sides by 13.
13x/13=195/13
Answer:
122 students (Answer C)
Step-by-step explanation:
40 percent of the 305 total students comes out to 0.40(305 students), or
122 students.
This corresponds to answer C. 122 students play an instrument.
10 miles 45 miles
----------------- * --------------------- Cross Multiply
16 kilometres x kilometres
10 x = 720
x = about 72 kilometres
