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Stella [2.4K]
3 years ago
9

Answers plz it’s timed

Mathematics
1 answer:
aksik [14]3 years ago
6 0

Answer:

Laurie

Step-by-step explanation:

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??!?!?!?!?!!?!?!?!!?!!!?!!!!?
Nikitich [7]

Answer:

The third option, a rational number

like 1/5 + 2.5 is still rational (but neither irrational nor whole/an integer)

it would be 0.2 + 2.5 = 2.7 btw

or

1/5 + 5/2

= 2/10 + 25/10

= 27/10

6 0
3 years ago
Show that the transformation T defined by<br>T(x1, x2) = (2x1 - 3x2, X1+4, 5x2) is not linear.<br>​
erastovalidia [21]

Let <em>u</em> = (1, 0) and <em>v</em> = (0, 1). Then

<em>T</em> (<em>u</em>) = (2*1 - 3*0, 1 + 4, 5*0) = (2, 5, 0)

<em>T</em> (<em>v</em>) = (2*0 - 3*1, 0 + 4, 5*1) = (-3, 4, 5)

=>   <em>T</em> (<em>u</em>) + <em>T</em> (<em>v</em>) = (-1, 9, 5)

but

<em>T</em> (<em>u</em> + <em>v</em>) = <em>T</em> (1, 1) = (2*1 - 3*1, 1 + 4, 5*1) = (-1, 5, 5)

=>   <em>T</em> (<em>u</em> + <em>v</em>) ≠ <em>T</em> (<em>u</em>) + <em>T</em> (<em>v</em>)

which means <em>T</em> does not preserve addition, so it is not linear.

4 0
3 years ago
Olivia deposit 6952 in a savings account paying 3.72% interest to the nearest dollar how much money does Olivia have in total af
lianna [129]
Pretty sure 11,090!............................
4 0
3 years ago
For the function f(x)=-3x+2, find f(2)=
dsp73

Answer: f(2) = -4

Step-by-step explanation: Here we're given the function f(x) = -3x + 2 and we are asked to find f(2).

In other words, if we put an <em>x</em> into our function, we get a -3x + 2 out so what happens when we put a 2 into the function?

Well if we put a 2 into the function,

that's f(2) and we get -3(2) + 2 out.

Now all we have to do is simplify on the right side.

-3(2) is -6 so we have -6 + 2 which is -4.

So f(2) is -4.

8 0
3 years ago
to find the final cost of the shoes, the $15 coupon can be applied first and then the 20% discount, or the 20% discount can be a
guapka [62]

First apply  20% discount  then applied $15 coupon combination gives better deal.

As given in the question,

Let final cost of the shoes be $100

First apply $15 coupon  then applied 20% discount

100-15=$85

Now,  20% of 85= (20/100) × 85

                          =$17

Final price,  85 - 17 =$68

First apply  20% discount  then applied $15 coupon

Now,  20% of 100= (20/100) × 100

                          =$20

100-20 = $80

Apply coupon $15

Final price, 80 - 15 =$65

Therefore, first apply  20% discount  then applied $15 coupon combination gives better deal.

Learn more about discount here

brainly.com/question/3541148

#SPJ4

8 0
2 years ago
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