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Nonamiya [84]
3 years ago
12

How to rewrite the expression 3(x-4)-(x+2)

Mathematics
2 answers:
Igoryamba3 years ago
8 0

Answer:

3x^2 - 6x - 24

Step-by-step explanation:

(3x - 12) - (x + 2)

3x^2 + 6x - 12x - 24

madam [21]3 years ago
8 0

Answer:

2x - 14

Step-by-step explanation:

3(x-4)-(x+2)

3x - 12 - x - 2

3x - x - 12 - 2

2x - 14

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Find f(-3).<br> f(x) = 4(2)^x
Ray Of Light [21]
Answer:

D - 1/2

Explanation:

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

f(-3) = 4 • 1/8

f(-3) = 1/2
4 0
3 years ago
Find the perimeter of the polygon with the given vertices. C(4, -1), D(4,−5), E(2,−3)
Aleksandr [31]

Answer:

8 units

Step-by-step explanation:

find the distance of the lines through coordinates given

distance formula: \sqrt{(x_{1}-x_{2})+(y_{1} -y_{2} )  }

i) CD=\sqrt{(4-4)^2 +(-1+5)^2}

  CD=\sqrt{0+4^2}

  CD=4 units

ii) DE=\sqrt{(4-2)^{2}+(-5+3)^2 }

 DE=\sqrt{(2)^2+(-2)^2}

 DE=\sqrt{8}

 DE= 2 units

iii) ED=\sqrt{(2-4)^2+(-3+1)^2}

   ED=\sqrt{(-2)^2+(-2)^2}

   ED=\sqrt{8}

   ED= 2 units

perimeter of polygon= 2 units+ 2 units+ 4 units

                                  =8 units

4 0
3 years ago
Question 14(Multiple Choice Worth 1 points)
Kryger [21]

Answer: mike traveled 34 miles

3 0
2 years ago
URGENT I HAVE ALMOST 0 TIME LEFT I NEED LAST MINUTE HELP
jonny [76]

Answer:

The zeros are the points where the parabola intercepts the x-axis.

\sf x = 7 \implies x - 7 = 0

\sf x = 1 \implies x - 1 = 0

\sf \implies y = a(x - 7)(x - 1)  where a is some constant

If the parabola passes through point (3, 4) then:

\sf \implies a(3 - 7)(3 - 1) = 4

\sf \implies a(-4)(2) = 4

\sf \implies -8a = 4

\sf \implies a = -\dfrac12

So the equation of the parabola is:

\sf y = -\dfrac12(x - 7)(x - 1)

Or in standard form:

\sf y = -\dfrac12x^2+4x-\dfrac72

7 0
2 years ago
Hour how much does davon charge per hour for a skateboard rental HELPP I BEG
Setler79 [48]

Answer:

$7

Davon charges $7 per hour of rental

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3 years ago
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