3 years ago

What are the coordinates of C’ of the image?

1 answer:

7 0

The coordinates of C' are 3 times those of C.
3×(2, -1) = (6, -3)

The appropriate selection is ...
(6, -3) . . . . . . . . . the 4th one

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The cost of K-12 education per student was $2200 in 1978 and increased to $10,300 in 2008. (Source: Department of Education). (a

kobusy [5.1K]

Answer: $C=270x+2200$

Step-by-step explanation:

Given

Cost per student in the year 1978 is $2200

The cost increases to $10,300 in 2008

Suppose $C=mx+a$ is the linear equation defining the cost per student after x years

Substitute the value for 1978

$\Rightarrow 2200=m(0)+c\\\Rightarrow c=2200$

After 30 years it becomes

$\Rightarrow 10,300=m(30)+2200\\\Rightarrow 30m=8100\\\Rightarrow m=270$

Thus, the linear equation becomes

$\Rightarrow C=270x+2200$

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2 years ago

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V125BC [204]

Answer:

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Step-by-step explanation:

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2 years ago

What is the value of x? <br> 3x + (6x - 6) = 4(2x-2)

olya-2409 [2.1K]

Answer:

x = -2

Step-by-step explanation:

To start, let's add on the first side to get 3x + 6x - 6 = 9x - 6. For the second side, we need to distribute the 4 to get 4(2x) + 4(-2), or 8x + (-8) or 8x - 8. Setting these equal, we subtract 8x from both sides to get x - 6 = -8, and adding 6 to both sides gives x = -2.

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2 years ago

Jordan bikes at a speed of 8 2/3 mph. How many miles will he bike in 45 minutes?

muminat

Answer:

390 miles

Step-by-step explanation:

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2 years ago

Quentin pays $178 every 4 months for his guitar lessons. At this rate , how much will Quentin pay for 3 years of guitar lessons

vivado [14]

$1602 would be the amount paid for 3 years of lessons.