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irina [24]
3 years ago
11

Which quadratic rule represents the data in the table?

Mathematics
1 answer:
NeX [460]3 years ago
3 0
Since there are already choices in the question, I suggest you just substitute in the values of x to each choice and check whether the corresponding value for y appears. This is also called the trial and error method in multiple choice.

The answer that represents the data in the table is C. <span>y = x^2 – 5.</span>
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Find out the product of 2,12 and 3
drek231 [11]
You mean 2x3x12? if yes, it is 72.
8 0
3 years ago
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find the curved surface area and total surface area of a right circular cylinder whose height is 15 cm and the radius of the bas
otez555 [7]

Answer:

CSA = 660cm^2 --- Curved Surface Area

TSA = 968cm^2  --- Total Surface Area

Step-by-step explanation:

Given

Shape: Cylinder

h = 15 -- height

r = 7 --- radius

Solving (a): The curved surface area (CSA)

This is calculated as:

CSA = 2\pi rh

This gives:

CSA = 2 * \frac{22}{7} * 7 * 15

CSA = 2 * 22* 15

CSA = 660cm^2

Solving (b): The total surface area (TSA)

This is calculated as:

TSA = 2\pi r(h + r)

This gives:

TSA = 2 * \frac{22}{7} * 7 * (15 + 7)

TSA = 2 * 22 * (15 + 7)

TSA = 2 * 22 * 22

TSA = 968cm^2

6 0
3 years ago
Express number in standard form 8.023×10^-7
dem82 [27]
0.0000008023..  This is because since its negative I know that the decimal place will move seven times to the left (think of a number line; the negatives are on the left and the positive are on the right).  Therefore you should get 0.0000008023 as this number in standard form because you moved the decimal place seven to the left.
5 0
3 years ago
Multiplier of 1.641 corresponds to a percentage increase or decrease?
Goshia [24]

Answer: Increase

Step-by-step explanation:

A multiplier of 1 is equivalent to 100%. Above 1, you are increasing

3 0
2 years ago
The ages of four cousins are consecutive integers. Let the integers equal n, n+1, n+2 and n +3. The sum of their ages is 34 How
bulgar [2K]

Answer:

10

Step-by-step explanation:

n + n+1 + n+2 + n+3 = 4n + 6

4n + 6 = 34

4n = 28

n = 7

Eldest: n + 3 = 7 + 3 = 10

7 0
3 years ago
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