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Bas_tet [7]
3 years ago
15

Suppose there were “x” students in a class who scored 100 and “y” students who scored 50. write an algebraic expression for the

mean in terms of “x” and “y”.
Mathematics
1 answer:
bezimeni [28]3 years ago
3 0
(100x + 50y) / 2

(I hope that's the answer!)
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Use the given graph to determine the period of the function. 1 & 2 plz
White raven [17]
The period of the function is that distance where the function becomes equal again.
 We have then:
 Part 1:
 The period of the function is:
 T = 3
 Part 2:
 The period of the function is:
 T = 4
 Answer:
 
The period of functions 1 and 2 respectively are:
 
T = 3
 
T = 4
6 0
3 years ago
What is the description of the pattern in the sequence?
tangare [24]
The answer is B to multiply by 4
Explanation
1 x 4 is 4
4 x 4 is 16
16 x 4 is 64
And 64 x 64 is 256

Hope this helps
3 0
3 years ago
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You blow a bubble in the shape of a sphere. It has a radius of 6 inches. Which choice is closest to its surface area? Use 3.14 t
Arte-miy333 [17]
To solve for the surface area of a sphere, the formula is 4*pi*r^2. Since we are using 3.14 instead of pi, the formula becomes 4*3.14*r^2. To solve, all we have to do is substitute in the radius for r and solve it like a normal question.

SA=4*3.14*r^2
SA=4*3.14*6^2
SA=452.16

Since we used 3.14 instead of pi, we have to say this is an approximate answer. This means the surface area of this sphere is 452.16 square inches.

5 0
3 years ago
The surface area of a square pyramid 360 square meters. The base length is 12 meters. Determine the slant height.
garri49 [273]

Answer:

The slant height is  9 meters.

Step-by-step explanation:

To determine the slant height, we will follow the steps below;

First, write down the formula:

Surface area = 2bs + b²

where   b=  the length of the base of the square pyramid

 s =  the slant height of the square pyramid

From the question given,

surface area of a square pyramid = 360 square meters

base length = 12 meters

We can now proceed to insert the values into the formula and then solve for s

Surface area = 2bs + b²

360 = 2(12)s + (12)²

360 = 24s + 144

subtract 144 from both-side of the equation

360 - 144 = 24s

216 = 24s

Divide both-side of the equation by 24

216/24 = 24s/24

9  =  s

s = 9 meters

The slant height is  9 meters.

7 0
3 years ago
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The sales tax rate on groceries in a certain state is 9%. If the price of a grocery item before sales
Damm [24]

Answer:

1.09g

Step-by-step explanation:

7 0
3 years ago
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