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2 years ago

How could i do this? some help would be appreciated ♡

Mathematics

1 answer:

rjkz [21]2 years ago

4 0

You plug in numbers -3 to 3 into the x variable of the equation and then plot those points

y = -2x

X = -3 y = (-2)(-3) = 6

X = -2 y = (-2)(-2) = 4

X = -1 y = (-2)(-1) = 2

X = 0 y = (-2)(0) = 0

X = 1 y = (-2)(1) = -2

X = 2 y =(-2)(2) = -4

X = 3 y = (-2)(3) = -6

In case that looks a little cluttered here are the points to graph:

(-3, 6) (-2, 4) (-1, 2) (0, 0) (1, -2) (2, -4) (3, -6)

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A certain type of bacteria doubles in population every 6 hours. There were approximately 100 bacteria at the beginning of the da

Zepler [3.9K]

Answer:

1600 after 24 hours

Step-by-step explanation:

100+100 = 200 after 6 hours

200+200 = 400 after 12 hours

400+400 = 800 after 18 hours

800+800 = 1600 after 24 hours

5 0

2 years ago

The triangle shown is translated up 5. What are the new coordinates of point C?

ehidna [41]

Answer:

(3,6)

Step-by-step explanation:

The triangle shown in figure is translated up 5

To find how coordinate of C

Original coordinate of C:(2,1),

Translation has two types: verbal and horizontal.

For verbal translation: either shift up or down

1. For up shift: add value in Y-cordinate

2. For down shift: subtract value in y coordinate

• For horizontal translation: either shift left or right

I. For left shift: subtract value in x-cordinate

II. For right shift: add value in x-cordinate

C: (3,1)shift 5 unit up

So, add 5in y-cordinate

(3,1)→(3,1+5)

(3,1)→(3:6)

Hence, the new coordinate of point C is (3,6)

7 0

2 years ago

Solve inequality √(2−x) < x.

Bond [772]

$[tex]\sqrt{2-x}0\\ x^2+2x-x-2>0\\ x(x+2)-1(x+2)>0\\ (x-1)(x+2)>0\\ x\in(-\infty,-2)\cup(1,\infty)\\\\ \boxed{x\in(-\infty,-2)\cup(1,2\rangle}$ [/tex]

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3 years ago

What number is 25 percent of 84?

raketka [301]

Answer: 21

Step-by-step explanation:25%=1/4

1/4*84 =84/4

84/4=21

3 0

2 years ago

Read 2 more answers

If A = 3x power 2+2y + 2 and B=6x power 2 - 8y + 1 then A+B and A-B

ollegr [7]

Answer:

see explanation

Step-by-step explanation:

Given A = 3x² + 2y + 2 and B = 6x² - 8y + 1 , then

A + B

= 3x² + 2y + 2 + 6x² - 8y + 1 ← collect like terms

= 9x² - 6y + 3

-------------------------------

A - B

= 3x² + 2y + 2 - (6x² - 8y + 1) ← distribute parenthesis by - 1

= 3x² + 2y + 2 - 6x² + 8y - 1 ← collect like terms

= - 3x² + 10y + 1

5 0

2 years ago

How could i do this? some help would be appreciated ♡​

How could i do this? some help would be appreciated ♡