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Lapatulllka [165]
4 years ago
14

The exam scores of all 500 students were recorded and it was determined that these scores were normally distributed. If Jane's s

core is 0.8 standard deviation above the mean, then how many, to the nearest unit, students scored above Jane?
Mathematics
1 answer:
Masja [62]4 years ago
3 0
One hundred en six :)))
You might be interested in
Round the number 553 to the tens place.
Lapatulllka [165]

Answer:

550

Step-by-step explanation:

To round 553 to the tens place, we would need to identify the value of the digit in the ones place.

If the digit in the ones place is greater than 5, we increase the tens place by 1 & convert the ones place into a 0.

If not, we leave the tens place as is & convert the ones place into a 0.

Since 3 is less than 5, we round 553 to 550 so you are correct.

4 0
3 years ago
Read 2 more answers
Explain how you would solve a triangles given two sides and the included angle?
Len [333]
When you are trying to find the side lengths you can use the law of sines. The law of sines goes like this: (Sin A (angle a))/A (side length) =(Sin B (angle b))/B (side length)
I hope this helps m8!
7 0
3 years ago
X/10=2/4?<br> or x over 10<br> equals to 2 over 4
lara31 [8.8K]
The answer is:  " x = 5 " .
_______________________________________________
Note the following:
_______________________________________________

2/4 = 1/2 ; 

1/2 = (1*5) / (2*5) = 5/10 ; 

2/4 = 1/2 = 5 / 10 . 

or:  2/4 = 1/2 = 0.5 = 5/ 10 .  

The answer:  " x = 5 " .
___________________

Or:  x/ 10 = 2/4 ;  

Cross-multiply:

  4x = (2)(10) ; 

  4x = 20 ; 

Divide each side by "4" ; 

  4x / 4 = 20/4 ; 

   " x = 5 " ; 
_____________________
Or:  x/10 = 2/4 ; 

Note:  "2/4 = 1/2" ;  so rewrite as:

x/10 = 1/2 ; and cross-multiply:

2x = (10)(1) ; 

2x = 10 ; 

Divide each side of the equation by "2" ; 

2x / 2 = 10 / 2 ; 

  " x = 5 " . 
______________________________________

8 0
4 years ago
Find the surface area of a cylinder with a height of 7 m and a base radius of 6 m.
weqwewe [10]

Answer:

489.84 m²

Step-by-step explanation:

Area of one 2d circle: πr² ⇒ π6² ⇒ 36π ≈ 113.04 (using 3.14 for pi)

Area of both 2d circles: 113.04 + 113.04 =226.08 m²

Now we have to find the width of the rectangle, which is equal to the circumference of either circle:

Width of rectangle: 2πr ⇒ 2π6 = 12π ≈ 37.68 (using 3.14 for pi)

We can find the area of the rectangle now, since the length was given

Area of rectangle: 37.68· 7= 263.76 m²

Surface Area: 263.76+226.08= 489.84m²

Hopefully this helps!

6 0
3 years ago
A bowling ball has a mass of 5.61 kilograms and a bowling ball has a mass of 1.57 kilograms about how many bowling pins would eq
finlep [7]
We do not know the weight of the pins if you only give us bowling balls
6 0
3 years ago
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