MATHEMATICS HIGH SCHOOL

In 2006, there were 2,573 computer viruses and other security incident. During the next 7 years, the number of incidents increased by about 92% each year.

Answers

Answer 1

Answer:

Answer:

Total number of virus after 7yrs= 247484.7 virus

Step-by-step explanation:

Total number of virus after 7yrs = 2573(1+0.92)⁷ = 247484.7 virus

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How to solve linear equations by substitution?

5x+2y=9
x+y=-3

Answers

5x+2y=9 x+y=3

change x+y=3 into x=3-y

plug that equation into 5x+2y=9 where x is.

5(3-y)+2y=9

then distribute.

15-5y+2y=9

15-7y=9

minus 15.

-7y=-6

divide both sides by -7.

y is equal to -6/7.

then go back to the first equation and plug in for y.

and then you will get x.

then you will have (y,x)

$\begin{cases} 5x+2y=9 \n x+y=-3\end{cases} \n \n\begin{cases} 5x+2*(-3-x)=9 \n y=-3 -x\end{cases} \n \n\begin{cases} 5x-6-2x =9 \n y=-3 -x\end{cases}\n \n\begin{cases} 3x =9+6 \n y=-3 -x\end{cases}$

$\begin{cases} 3x =15 \ \ /:3 \n y=-3 -x\end{cases} \n \n\begin{cases} x =5 \n y=-3 -5\end{cases} \n \n\begin{cases} x =5 \n y=-8\end{cases}$

If 2x-3(x+4)=-5 then x=

Answers

2x - 3(x + 4) = -5
2x - 3x - 12 = -5
-x - 12 = -5
-x = -5 + 12
-x = 7
x = -7

The answer is: x = -7.

Solve for the line from the graph, thank you!

Answers

Answer:

y = 3/4 + 3/2

Step-by-step explanation:

Slope = 3/4

Solve for y-int.

0 = 3/4(-2) + b

-3/2 + b = 0

b = 3/2

y = 3/4x +3/2

Find the LCM of 98 and 182.

Answers

Answer:

LCM = 1274

Step-by-step explanation:

98 = 2 × 7²

182 = 2 × 7 × 13

LCM(98 ; 182) = 2 × 72 × 13 = 1274

What is the coordinate for the image of point H( -1, -5) under a 90° clockwise rotation about the origin?

Answers

The coordinate for the image of point H( -1, -5) under a 90° clockwise rotation about the origin is, (- 5, 1)

What is Coordinates?

A pair of numbers which describe the exact position of a point on a cartesian plane by using the horizontal and vertical lines is called the coordinates.

Given that;

The coordinate of the point H( -1, -5)

Now, The rule for the 90° clockwise rotation about the origin is,

(x, y) = (y, - x)

Hence, The coordinate for the image of point H( -1, -5) under a 90° clockwise rotation about the origin is,

(- 1, - 5) = (- 5, 1)

Learn more about the coordinate visit:

brainly.com/question/24394007

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A swimmer dives to 65 feet below the surface of the ocean. Write the integer that represents the depth of the dive