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sergejj [24]
2 years ago
6

Is ½y=1 a linear equation ​

Mathematics
1 answer:
masha68 [24]2 years ago
8 0

Answer:

yes it  

Step-by-step explanation:

1/2y=1

y=1 x 2 (because e do to multiply the one by 2/1 to get y alone)

y=2 ( if y is always equal to two there is no variation meaning it is linear)

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John needs 13 bottles of water from the store. john can only carry 3 at a time. what's the minimum number of trips john needs to
Lostsunrise [7]
The minimum amount of trips would be 5. This is because in one trip he can only carry 3, so you would take 5 times 3. You may think it should be 4 trips, but 12 is 1 short of 13,so you would have to make one extra trip to get all 13 bottles.
4 0
2 years ago
The equation y = 1.55x + 110,419 approximates the total cost, in dollars, of raising a child in the United States from birth to
Rufina [12.5K]

Answer:

194119

Step-by-step explanation:

well, just plug in your number!

y = 1.55*54000 + 110419

4 0
2 years ago
Find a matrix representation of the transformation L(x, y) = (3x + 4y, x − 2y).
mario62 [17]

Answer:

\left[\begin{array}{cc}x&y\end{array}\right] * \left[\begin{array}{cc}3&1\\4&-2\end{array}\right] = \left[\begin{array}{cc}3x+4y&x-2y\end{array}\right]

Step-by-step explanation:

The general matrix representation for this transformation would be:

\left[\begin{array}{cc}x&y\end{array}\right] * A = \left[\begin{array}{cc}3x+4y&x-2y\end{array}\right]

As the matrix A should have the same amount of rows as columns in the firs matrix and the same amount of columns as the result matrix it should be a 2x2 matrix.

\left[\begin{array}{cc}x&y\end{array}\right] * \left[\begin{array}{cc}a&b\\c&d\end{array}\right] = \left[\begin{array}{cc}3x+4y&x-2y\end{array}\right]

Solving the matrix product you have that the members of the result matrix are:

3x+4y = a*x + c*y

x - 2y = b*x + d*y

So the matrix A should be:

\left[\begin{array}{cc}3&1\\4&-2\end{array}\right]

8 0
2 years ago
During a weekend, the manager of a mall gave away gift cards to every 80th person who visited the mall. On Saturday, 1,210 peopl
Talja [164]

Answer:

37

Step-by-step explanation:

7 0
2 years ago
The angle whose sine is 0.39581 is
Lorico [155]
The angle whose sine is 0.39581 is 23.31650126° (round it how you want). 
To calculate this, you need to do the inverse sine of 0.39581. 

Inverse sine looks like sin^{-1}, however, it is not the sine of the angle to the power of -1. 
4 0
2 years ago
Read 2 more answers
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