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lawyer [7]
3 years ago
5

shane wants to figure out what grade he is getting in math. His test scores were 85.6 ,78.5 ,92.5 ,67 and 83.7. What was his ave

rage test score? What grade will he receive?
Mathematics
2 answers:
allsm [11]3 years ago
6 0
Average is 81.46% grade will be b


Zigmanuir [339]3 years ago
5 0
The average test score his 81.46.the grade he will receive would be 81 %.
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The field inside a running track is made up of a rectangle that is 84.39 m long and 73 m wide, together with a half-circle at ea
ioda

Answer:

The distance around the inside is 199.44 m.

Step-by-step explanation:

Given that,

Length = 84.39 m

Width = 9.76 m

Suppose, all the way around and 73 m wide.

We know that,

Perimeter of half circle is

perimeter = \pi r

We need to calculate the inner radius of the circle

Using formula of radius

r=\dfrac{D}{2}

Put the value into the formula

r=\dfrac{9.76}{2}

r=4.88\ m

We need to calculate the distance around the inside

Using formula of distance

Distance around the inside= two inner perimeter of the circle+two length of rectangle

D=2\pi r+2l

Put the value into the formula

D=2\pi\times4.88+2\times84.39

D=199.44\ m

Hence, The distance around the inside is 199.44 m.

6 0
3 years ago
$14 meal; 20% tip please help me on this it is mathematics
Anastasy [175]
The tip would be $2.80 because it is 20% of the $14 meal
3 0
3 years ago
Read 2 more answers
Covert 1/16in to mm (rounded to the nearest tenth)
mel-nik [20]
1/25.4 = (1/16)/x....1 in to 25.4mm = 1/16 in to x mm
cross multiply
x = 25.4 * 1/16
x = 25.4/16
x = 1.59 mm
3 0
3 years ago
What is 76/10 in a mixed number??
cestrela7 [59]
A mixed number is in the form x y/z while a improper fraction (76/10) is in the form y/z. We can separate the fraction into two parts. One is 70/10 which = 7 and the other is 6/10 which simplifies to 3/5. So, in order to express 76/10 as a mixed number we must express it as 7 3/5 or 7 6/10. 7 3/5 is equal to 7 6/10.

I hope this helped you!  
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5 0
3 years ago
Please help with the following question
sasho [114]
  We have:
  The generic equation of the line is:  y-yo = m (x-xo)
  The slope is:
  m = (y2-y1) / (x2-x1)
  m = (- 2-0) / (3-0)
  m = -2 / 3
  We choose an ordered pair
  (xo, yo) = (0, 0)
  Substituting values:
  y-0 = (- 2/3) (x-0)
  Rewriting:
  y = (- 2/3) x
  Answer:
  The equation of the line is:
  y = (- 2/3) x


5 0
3 years ago
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