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yarga [219]
3 years ago
15

Which of the following is an equivalent expression to: -3x + 6 *

Mathematics
1 answer:
victus00 [196]3 years ago
6 0

Answer:

5x + 2 - 2(4x - 2)

Step-by-step explanation:

-2 x 4x= -8x

5x-8x=-3x

-2 x -2= 4

4+2=6

-3x+6

hope this helped ^ ^

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What are the coordinates of the vertex of the function f(x) = x2 - 12x + 5?
FinnZ [79.3K]

Answer:

The vertex is the point (6,-31)

Step-by-step explanation:

we have

f(x)=x^2-12x+5

This is a vertical parabola open upward

The vertex represent a minimum

Convert to vertex form

Complete the square

f(x)=(x^2-12x+6^2)+5-6^2

f(x)=(x^2-12x+36)-31

Rewrite as perfect squares

f(x)=(x-6)^2-31 -----> equation in vertex form

therefore

The vertex is the point (6,-31)

6 0
3 years ago
What are the coordinate of ABC after a dilation with center 0,0 and a scale factor of 3
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Sabrina threw a coin from a building 160 feet high at an initial speed of 30 feet per second. How many seconds will it take the
nirvana33 [79]
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3 0
3 years ago
At the movie theatre, child admission is $5.60 and adult admission is $9.50. On Saturday, four times as many adult tickets as ch
romanna [79]

Answer:

-6.20x-6.20y=-948.6

add this to equation 2

6.20x-6.20x +9.30y-6.20y=1125.30-948.60

3.10y= 176.70

/3.10

y=176.70/3.10

y = 57 number of adult tickets

153-57=96 child tickets

Step-by-step explanation:

child admission is $6.20 : x numbers

adult admission is $9.30 : y numbers

153 tickets were sold  

sales of $1125.30 .  

x+y = 153.........................1

6.20x+9.30y= 1125.30..............2

4 0
3 years ago
Please help! <br><br> 6.2 divided by (2x + 1)= 2 1/3 divided by 4
guajiro [1.7K]

Answer:

x=2/3

Step-by-step explanation:

(2x+1)/2 = 2 1/3/4

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2x+1=2 1/3

Rewrite:

2x+1=7/3

Subtract 1 on both sides:

2x=4/3

Divide 2 on both sides:

x=2/3

Thus x=2/3

Hope this helps!

7 0
2 years ago
Read 2 more answers
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