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fredd [130]
3 years ago
7

Please help (algebra)

Mathematics
1 answer:
Serggg [28]3 years ago
7 0

Answer:

0.1

Step-by-step explanation:

0.3 x 7= 2.1

2.1 - 2= 0.1

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I'll. ark brainlyest and give a lot of points for answering this right ​
valina [46]

Answer:

\displaystyle T'(  2,4)

\displaystyle U'( 1,1)

\displaystyle S' ( 3,2)

Step-by-step explanation:

we current vertices of the given triangle

  • \displaystyle T( - 2,4)
  • \displaystyle U( - 1,1)
  • \displaystyle S ( - 3,2)

remember that,

\rm\displaystyle(x,y) \xrightarrow{ \rm reflection \:  over \: y - axis}( -  x,y)

so we obtain:

\rm\displaystyle \: T( - 2,4) \xrightarrow{ \rm reflection \:  over \: y - axis}T'(  2,4)

\rm\displaystyle \: U( - 1,1) \xrightarrow{ \rm reflection \:  over \: y - axis}U' ( 1,1)

\rm\displaystyle S( - 3,2) \xrightarrow{ \rm reflection \:  over \: y - axis}S'( 3,2)

6 0
3 years ago
Simplify this rational expression: 5x^2+3x-11/x+3
Firlakuza [10]
I believe the answer would be (5x^2+8x+11)(x-1)/(x)
6 0
4 years ago
Function f(x)=1 - 1/×+2 find the following (i) f(-x) (ii) f(x+k) (2)​
jok3333 [9.3K]

Answer:

= 1  +   \frac{1}{  x}  + 2 \\ 3 +  \frac{1}{x}  \\  = 1 - \frac{1}{(x + y)2}   = 1 -  \frac{1}{(2x + 2y)}

3 0
2 years ago
What is the equation of the line that passes through the point (5, -6) and has a<br> slope of 3/5
Marysya12 [62]

Answer:

y = 3/5x + -9

or y = 3/5x - 9

Step-by-step explanation:

Since you are already given the slope for this equation all you have to do is plug in the ordered pair in this equation: y = mx+b

Here is what this equation stands for:

y = the y in the order pair you are given, in this case it would be -6

m = This is the slope, sometimes you may not be given the slope so you would have to find it, but in this case, you are given it, the slope is 3/5

x = the x in the ordered pair you are given, in this case it would be 5

b = This is the y-intercept, you will mostly be solving for this most of the time

(5,-6)

(x, y)

y = mx+b (Use this Formula)

-6 = 3/5(5) +b (The numbers have been substituted within the formula)

-6 = 3+b (simplify the equation by multiplying the slope by the x)

-6-3 = b ( once simplified the left side of the equation, go to the right side, but remember when you do that you have to change the sign because you are eliminating 3 on the left side completely, "what you do on one side, do it to the other side")

-9 = b (solve)

y = 3/5x + -9 (plug in the slope and B(y-intercept) within the formula - y = mx+b, make sure that you are not plugging in x and y for this step)

I Hope This Helped You Understand this Problem Better/More!!! Stay Safe and Healthy!

8 0
3 years ago
A store has a $179.99 item on sale for 25% off. What is the discount on this item? $44.50 $49.50 $44.98 $45.00
soldier1979 [14.2K]
25% of 179.99....turn percent to decimal..." of " means multiply

0.25(179.99) = 44.997 rounds to 45.00 <==
3 0
3 years ago
Read 2 more answers
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