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blagie [28]
3 years ago
5

I miss her. should i text her? whats 1+1

Mathematics
1 answer:
san4es73 [151]3 years ago
4 0

Answer:

If you miss her then yes you should text her

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Which sum or difference is equivalent to the following expression 2x + 3/4
poizon [28]
Your answer is 3.5 which is 3 1/2
8 0
4 years ago
Determine if the specified linear transformation is ​(a​) ​one-to-one and ​(b​) onto. Justify your answer. ​T: ​, ​T(​)​(​,​), ​
xz_007 [3.2K]

Answer:

C. T is not​ one-to-one because the standard matrix A has a free variable.

Step-by-step explanation:

Given

T(x_1,x_2,x_3) = (x_1-5x_2+4x_3,x_2 - 6x_3)

Required

Determine if it is linear or onto

Represent the above as a matrix.

T(x_1,x_2,x_3) = \left[\begin{array}{ccc}1&-5&4\\0&1&-6\\0&0&0\end{array}\right]  \left[\begin{array}{c}x_1&x_2&x_3\end{array}\right]

From the above matrix, we observe that the matrix does not have a pivot in every column.

This means that the column are not linearly independent, & it has a free variable and as such T is not one-on-one

8 0
3 years ago
Find the slope of the line going through the points (11,5) and (20,5)
Pani-rosa [81]
So remember the formula for working out the slope:

(y2 - y1) ÷ (x2 - x1)

We already know two points:

(11, 5) and (20, 5) (Remember points are like (x, y)


Therefore y2 = 5 and y1 = 5 and x2 = 20 and x1 = 11

Substitute these into the formula from the start:

(y2 - y1) ÷ (x2 - x1)
(5 - 5) ÷ (20 - 11)
0 ÷ 9

And we can determine the slope is equal to 0 as 0 ÷ 9 = 0
4 0
3 years ago
Roselyn wants to drive her car at a speed of 60 miles per hour for 1.25 hours. Her car has a fuel efficiency of 15 miles per gal
EleoNora [17]

Hence, there is 5 gallons of fuel Roselyn needed for her journey.

3 0
3 years ago
A model spaceship costs $15.99 before tax. The tax on the model spaceship is 8%.
Vlad1618 [11]
15.99×8/100=1.28$ this is the tax
to get the total cost 15.99+1.28= 17.27$
7 0
3 years ago
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