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2 years ago

6x2(3x) simplify this expression

Mathematics

1 answer:

Papessa [141]2 years ago

4 0

Answer: 3(2 • (2x))

Explanation:
6 • 2(3x)
6 • 6x
3(2 • (2x))

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Is the answer C ; y= -3x-1

Sonja [21]

Answer:

I believe you are correct

Hope This Helps! Have A Nice Day!!

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3 years ago

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What is the perimeter of triangle ABC ?

blagie [28]

Answer:

$9+\sqrt{41}$

Step-by-step explanation:

From C-A, it goes from y=1 to y=5, so that 4 units

From A-B, it goes from x = -1 to x = 4, that is 5 units

Now, to find distance from B to C, we need to use the distance formula:

$D=\sqrt{(y_2-y_1)^2+(x_2-x_1)^2}$

Where the variables are the respective points of B and C,

B (4,5) & C(-1,1)

So x_1 =4, y_1=5, x_2=-1, y_2=1

Plugging into the formula we get:

$D=\sqrt{(y_2-y_1)^2+(x_2-x_1)^2}\\D=\sqrt{(1-5)^2+(-1-4)^2}\\D=\sqrt{16+25}\\ D=\sqrt{41}$

Summing it all (perimeter is sum of 3 sides):

Distance = $4+5+\sqrt{41}\\ =9+\sqrt{41}$

3rd answer choice is right.

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2 years ago

The scale drawing car length is 3 cm. If the scale is 1 cm:4 ft, what is the actual car length?

musickatia [10]

12 feet is the answer. 4 times 3 is 12.

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2 years ago

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Steps for solving 5(2x – 8) = 20 are shown.Which of these is not part of the solution process? A.Using the commutative property

netineya [11]

So x willl equal to 6 because 5(2x-8) is 10x-40=20 then you add 40 to 40 wich will equal nothing . u gonna have to eliminate 40 then you 40 to 20, wich is 60 what you gonna need to do is 10x=60
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2 years ago

Oil prices are projected to increase by 75% by next May. A quart of oil currently costs $2.15. What is the projected cost of a g

ivann1987 [24]

Answer:

$3.7625

Step-by-step explanation: I may be wrong but...

If you find 75% of $2.15 it is equal to $1.6125.

Since in "increases" we are going to add $1.6125 to $2.15.

You get the answer of $3.7625.

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2 years ago