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elena55 [62]
3 years ago
8

What translation matrix would leave a point where it is currently located?

Mathematics
1 answer:
Sladkaya [172]3 years ago
5 0
<h3>Answer:</h3>

\text{A.}\quad\left[\begin{array}{c}0\\0\end{array}\right]

<h3>Explanation:</h3>

Matrices can only be added if they are the same dimensions. Choices B and D have different dimensions than a 2×1 matrix representing a point. Choice C would translate the point to a position 1 unit up and 1 unit to the right of its original location.

\left[\begin{array}{c}x\\y\end{array}\right] +\left[\begin{array}{c}0\\0\end{array}\right] =\left[\begin{array}{c}x\\y\end{array}\right]

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Isabel is running for president of the chess club, and she received 33 votes. There are 60 members in the club. What percentage
borishaifa [10]

Answer:

55%

Step-by-step explanation:

<u>Create an equation.</u>

p = votes received / total members

<u>Solve</u>

p = 33 / 60

p = .55

<u>Multiply</u>

Multiply the decimal by 100 to convert the decimal into a whole number.

.55 * 100 = 55

<u>Answer</u>

55 percent of the club members voted for Isabel.

4 0
3 years ago
Read 2 more answers
Confusing stuff! Giving out 50 big points!
UkoKoshka [18]
If the gum costs 75 cents today, which is 3 cents less than three times what the pack cost 20 years ago, we just need to arrange what we know into an equation.
We know that the price of gum today is 75 cents, so we can leave that on one side of the equation as a constant. Also, since we are dealing only with cents and not dollars, there is no need to shift the decimal point to the left.

? = 75

Now, we can work the equation.

The problem tells us that 75 is 3 cents less than three times the old cost. So, if x is the old cost, we can work out the equation based on that.
It says that it's 3 cents less than 3 times x. The question is basically the equation in word form.

3x - 3 = 75

'3x' being the "three times the old cost" part, '- 3' being the "3 cents less" part, and '75' of course being the current price of a pack of gum.
Option C is your correct answer.

BTW if we were to solve this, we would see that the old price of a pack of gum is:

3x - 3 = 75
   + 3      + 3

3x = 78
/3      /3

x = 26

20 years ago, a 75-cent pack of gum cost 26 cents.
Hope that helped! =)
7 0
4 years ago
Read 2 more answers
Express y-4[y-3(y-2)] -5 in simplest form
Oksi-84 [34.3K]

Answer:

y^3 - 9y^2 + 26y - 29

Step-by-step explanation:

y - 4[y - 3(y - 2)] - 5

I'm going to separate it into parts

(y - 3)(y - 2)

y^2 - 5y + 6

(y - 4)(y^2 - 5y + 6)

y^3 - 5y^2 + 6y - 4y^2 + 20y - 24

y^3 - 9y^2 + 26y - 24

y^3 - 9y^2 + 26y - 24 - 5

y^3 - 9y^2 + 26y - 29

7 0
3 years ago
In a triangle ΔABC, the median AM is extended beyond point M to point N so that MN = AM. Find the distances NB and NC, if AB = c
Troyanec [42]

Answer:

it's just opposite image

nb=C, nc=b

8 0
3 years ago
Use the function below to find F(3).
iVinArrow [24]

Answer:

4-3

Step-by-step explanation:

solve for x

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