3 years ago

Help please. Kfkfnfjfjfjfjfjfjjfjfjfjfjffjfjfjfjffjfp

Mathematics

2 answers:

stich3 [128]3 years ago

6 0

Answer:

D) x to the power of 3 negetive five )

stellarik [79]3 years ago

5 0

Mostly A but not sure

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Equation of the line (-6,5) and (8,14) in standard form

blsea [12.9K]

Answer:

$\huge\boxed{9x-14y=-70}$

Step-by-step explanation:

The point-slope form of an equation of a line:

$y-y_1=m(x-x_1)\\\\m=\dfrac{y_2-y_1}{x_2-x_1}$

We have two points (-6, 5) and (8, 14).

Substitute:

$m=\dfrac{14-5}{8-(-6)}=\dfrac{9}{14}\\\\y-5=\dfrac{9}{14}(x-(-6))\\\\y-5=\dfrac{9}{14}(x+6)$

Thew standard form of an equation of a line:

$Ax+By=C$

transform:

$y-5=\dfrac{9}{14}(x+6)\qquad|\text{multiply both sides by 14}\\\\14y-14\cdot5=14\!\!\!\!\!\diagup^1\cdot\dfrac{9}{14\!\!\!\!\!\diagup_1}(x+6)\\\\14y-70=9(x+6)\\\\14y-70=9x+54\qquad|\text{subtract}\ 9x\ \text{from both sides}\\\\-9x+14y-70=54\qquad|\text{add 70 to both sides}\\\\-9x+14y=70\qquad|\text{change the signs}\\\\9x-14y=-70$

4 0

3 years ago

There are 3 cards with a picture of a rose and 1 card with a picture of a daisy. Melody keeps all the cards face down on a table

satela [25.4K]

2 over 3 i think, i'm not sure.

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3 years ago

Add the given polynomial and show your solution.

kakasveta [241]

A. 4a-2b+3
b. 7x^2-8x-3

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2 years ago

Siena draws a map of her flower garden. She wants to plant roses 6 feet away from the marigolds and 5 feet away from the lavende

vfiekz [6]

Answer:

no pictur no answer

Step-by-step explanation:

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3 years ago

Let f(x) = .............

galben [10]

Answer:

Step-by-step explanation:

g(3) = -2(3)^2 -4 = 2(9) -4 = 18-4 = 14

|f(2)| = | 2^2 -3| = | 4-3| = 1

(g(3) +2) = (14+2) = 16

4* |f(2)| = 4*1 = 4

16/4 = 4

5 0

3 years ago