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nexus9112 [7]
3 years ago
7

Which of the choices best describes this arithmetic sequence? -3, 1, 5, 9, 13,...

Mathematics
1 answer:
zloy xaker [14]3 years ago
3 0

Answer:

Add by 4

Step-by-step explanation:

-3+4=1

1+4=5

5+4=9

9+4=13

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What does x/2 + 6 = 7
MaRussiya [10]

Answer:

2

Step-by-step explanation:

2/2+6=7

8 0
3 years ago
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It costs $10 to get into the dance and snacks are $2 each. If you have $30 to spend, how many snacks can you buy?
Oliga [24]

Answer:

10 Because if u do 30-10=20 and then 20÷2= 10

3 0
3 years ago
Expand (2x -3y)^5 using the given formula.
horrorfan [7]
(2x-3y)^5

(2x-3y)(2x-3y)(2x-3y)(2x-3y)(2x-3y)

1st and 2nd power :
(2x-3y)(2x-3y) = 2x(2x-3y)-3y(2x-3y) = 4x² - 6xy - 6xy + 9y²
= 4x² - 12xy + 9y²

3rd power:
(2x-3y)(4x² - 12xy + 9y²) = 2x(4x² - 12xy + 9y²) - 3y(4x² - 12xy + 9y²)
8x³ - 24x²y + 18xy² - 12x²y +36xy² - 27y³
8x³ - 24x²y - 12x²y + 18xy² + 36xy² - 27y³
8x³ - 36x²y + 54xy² - 27y³

4th power
(2x-3y)(8x³ - 36x²y + 54xy² - 27y³) = 2x(8x³ - 36x²y + 54xy² - 27y³) -3y(8x³ - 36x²y + 54xy² - 27y³) = 16x^4 - 72x³y + 108x²y² - 54xy³ - 24x³y + 108x²y² - 162xy³ + 81y^4
16x^4 - 72x³y - 24x³y + 108x²y² + 108x²y² - 54xy³ - 162xy³ + 81y^4
16x^4 - 96x³y + 216x²y² - 216xy³ + 81y^4

5th power
(2x-3y)(<span>16x^4 - 96x³y + 216x²y² - 216xy³ + 81y^4)
2x(</span>16x^4 - 96x³y + 216x²y² - 216xy³ + 81y^4) - 3y(<span>16x^4 - 96x³y + 216x²y² - 216xy³ + 81y^4)
= 32x^5 - 192x^4y + 432x</span>³y² - 432x²y³ + 162xy^4 - 48x^4y + 288x³y² - 648x²y³ + 648xy^4 - 243y^5

32x^5 - 192x^4y -48x^4y + 432x³y² + 288x³y² - 432x²y³ - 648x²y³ + 162xy^4 + 648xy^4 - 243y^5

32x^5 - 240x^4y + 720x³y² - 1,080x²y³ + 810xy^4 - 243y^5
3 0
4 years ago
The first step in solving the equation 3x+4=20 is to ____ from each side. This is an example of the ________ Property of _______
ki77a [65]

3x+ 4 = 20

First you SUBTRACT 4 from both sides . Since these are inequalities we do reverse PEMDAS (Parentheses , Exponents , Multiply , Divide , Add ,Subtract). Then you will have an equivalent equation of

3x=16

Now we have to isolate X . So we divide 3 by both sides . Which will get 5.3333...

Therefore , The answer will be

The first step in solving the equation is to<u> SUBTRACT </u> from each side . This is an example of the <u>subtraction</u> property of <u>EQUALITY</u>

4 0
3 years ago
Read 2 more answers
F(x)= (x+2)2
timama [110]

f(x) = (x + 2)²    ⇒   f(x) = (x - (-2))² + 0    ⇒   h = -2 ,   k = 0

vertex:   (-2, 0)

domain:    R  

range:   <0, ∞)

axis of symetery:  x = -2

up   {a=1>0}

min:  f(-2) = 0

graph:  {f(0)=4}

8 0
3 years ago
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