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Anestetic [448]
3 years ago
8

If Jill’s best friend jumped farther than 6.5 feet, then she beat the school record and the seventh graders earn 50 points. If n

ot, the eighth graders earn 50 points. Which grade should be awarded 50 points?
Mathematics
2 answers:
kow [346]3 years ago
6 0
The seventh graders should be awarded 50 points.
Ivenika [448]3 years ago
4 0

The seventh graders is your answer! :)

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Calculate the speed of a car that traveled 100 meters in 10 seconds. SHOW YOUR WORK AND INCLUDE UNITS.
Varvara68 [4.7K]

Answer:

12

Step-by-step explanation:

100;lol

8 0
3 years ago
Two men ask you to guess their ages based on the following clues:
Stells [14]
Lets make x equal the the age of the younger man and y equal the age of the older man.
You are given x+y=76 and you can make the equation 2x+16=y since we are told that the older one is 16 more than twice the age of the younger one.  Since we have 2 equations and with the same variable and one has y already written in terms of x (y=2x+16) i will use substitution and make the given equaton all in terms of x.
x+(2x+16)=76 (solve this for x)
3x+16=76
3x=60
x=20
Then you can solve for y using the equation the equaion x+y=76 since we now know x=20.
20+y=76
y=56

Second equation is y=2x+16 (can also be written as y-2x=16)
x=20
y=56

I hope this helps.  If anything is unclear or you just want further explanation please let me know in the comments.

6 0
3 years ago
If one side of a rectangle is five less than the other side and the perimeter is 90 inches, find the area of the rectangle.
horsena [70]
So given a rectangle
sides are 
     _<u>x</u>_
x-5|__|x-5
      x

the perimeter is 90 inches
perimeter is 
x + x + (x-5) + (x-5) = 90
combine like terms
2x + 2(x-5) = 90
distribute
2x + 2x-10 = 90
combine like terms
4x - 10 = 90
add 10 to both sides
4x= 100
divide both sides by 4
x = 25

now to find the length of a side 
x is 25
and x-5 is 20

to check and see if that's right:
25 + 25 + 20 + 20 =?= 90 
50 + 40 =?=
90 = 90

Now to find the area
A = b * h
so
x * (x-5)
substitute
25* 20
500
The area of the rectangle is 500

Hope this helps :)

7 0
3 years ago
Need help ASAP <br> - 40 points
ra1l [238]

Answer: B

Step-by-step explanation: SAS: Side, Angle, Side    SSS: Side, Side, Side      AA: Equilateral Triangle

3 0
3 years ago
Read 2 more answers
Three consecutive odd numbers have a sum of 45. what is the greatest number?
rodikova [14]
Let's assume the middle number is x
then the smallest number is x-2
the greatest number is x+2
so the sum of the three number would be (x-2)+x+(x+2) and it equals 45
now we have an equation (x-2)+x+(x+2)=45
then we solve it 3x=45
x=15, which means the middle number equals 15
so the greatest number would be x+2=15+2=17
17 is the greatest number
7 0
4 years ago
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