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ANTONII [103]
3 years ago
11

10 of 16 students in Bob's Class are girls. His teacher selected two helpers by randomly drawing names. he drew a boy's name fir

st and then a girl's name. Bob thinks that the probability of this happening is 15 / 64 is he correct? If not explain his error
Mathematics
1 answer:
ehidna [41]3 years ago
7 0
<h2>He is right...I guess? maybe maybe not?</h2>
You might be interested in
400x34+23444444444-23444444444
Alex777 [14]

I hope you want to simplify this expression.

To simplify the given expression we can use the order of operation.

So, first step is to operate multiplication. Therefore,

400 x 34 = 13600

Hence,

400x34+23444444444-23444444444

= 13600 +23444444444-23444444444

= 13600 + 0 Since +23444444444-23444444444 = 0

= 13600.

So, the simplified value of the given expression is 13600.

Hope this helps you!.

4 0
3 years ago
PLEASE HELP 25PT
Bess [88]
Hi


1.If Mrs.Walters drives 360 miles on 25 gallons of gas , she drives 14.4 miles on 1 gallon of gas .

Work; I made a proportion , but you can just divide 360 and 25 .
 x=14.4 miles

If Mr.Walters drives 480 miles on 32 gallons of gas , he drives 15.06 miles on 1 gallon of gas .
 x=15.06 miles
2. Mr.Walter because he drives more miles with a gallon .
Work; 15.06 miles is greater than 14.4 miles.

Hope it helps and have a wonderful day.
7 0
3 years ago
What you use an area model how can you tell if two fractions are not equivalent
svp [43]

Answer:

multiply or  simplify

Step-by-step explanation:

8 0
3 years ago
during a football game kevin gained five yards on the first play then he lost seven yards on the second play how many yards does
Ivan
Kevin lost 7-5=2 yards.  He therefore must gain the two yards back to get the team back to where they started.
6 0
3 years ago
The line with slope -2.5 and passing through (2,1.5) write the equation of the line
tiny-mole [99]

The first step that we must take before attempting to solve the problem is to understand what the problem statement is asking us to do and what is given to us to help accomplish that goal.  Looking at the problem statement we can see that we are being asked to write an equation. The information that is provided to us is the slope of the line and a point through which the line crosses.

Now that we have determine the important aspects of the problem, we can move onto the actual calculations of the problem which can start off by us plugging information into the point-slope form.  But before plugging in the values we should understand what makes up the form.

  • y_1 ⇒ This variable captures the y-coordinate of the coordinate that is provided in the problem through which the line crosses.
  • m ⇒ This variable capture the slope of the line that we will need to determine.
  • x_1 ⇒ This variable captures the x-coordinate of the coordinate that is provided in the problem through which the line crosses.

<u>Plug in values</u>

  • y-y_1 = m(x - x_1)
  • y-1.5= -2.5(x - 2)

Now that we have plugged in all of the values into the variables that need to be altered we can begin distributing on the right side and then solving for y.

<u>Distribute</u>

  • y-1.5= -2.5(x - 2)
  • y-1.5= (-2.5*x) + (-2.5* - 2)
  • y-1.5= -2.5x + 5

We are almost done with solving for y and the only step that we have left is to add 1.5 to both sides.  This will remove it from the left side and isolate y which will give us the equation of the line that we need.

<u>Add 1.5 to both sides</u>

  • y+(-1.5 + 1.5)= -2.5x + (5+ 1.5)
  • y= -2.5x + (5+ 1.5)
  • y= -2.5x + 6.5

Now that we have fully simplified the expression using the slope and point that was given to us, we were able to determine that the equation that represents that line is y = -2.5x + 6.5

8 0
2 years ago
Read 2 more answers
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