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atroni [7]
3 years ago
14

-3(2x -1) plz help, asap will give brainliest

Mathematics
2 answers:
LUCKY_DIMON [66]3 years ago
8 0

Answer:

- 6x + 3

Step-by-step explanation:

- 3(2x - 1)  \\  =  - 6x + 3

MArishka [77]3 years ago
7 0

Answer:

Hey there!

-3(2x-1)

-6x+3

Let me know if this helps :)

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If u have 325.58 in your checking account and then write a check for 166.73 what is your new balance?
Rasek [7]

Answer:

$158.85

Step-by-step explanation:

$325.58-$166.73=$158.85

5 0
3 years ago
For what value of h is the expression (x-h)^2+6 equivalent to the expression x^2-6x+15
Yuri [45]

Answer:

1. h=3     2. h=1

Step-by-step explanation:

You need to make both sides into perfect square trinomials that you factor into the perfect square of a binomial. The left side is almost there to start with.

ax² + bx + c is the standard equation

1. ( x – h)² + 6 = x² - 6x + 15     subtract 6 from both sides to get ( x – h)² alone

                - 6                 -  6

(x – h)²          = x² - 6x + 9      factor the right side into a perfect square (b/2)

                      here b = -6  so b/2 = -3    so  (x – 3)²

                      (x – 3)² = (x - 3)(x - 3) = FOIL(first, outside, inside, last)

                      (x)(x) + (-3)(x) + (-3)(x) + (-3)(-3) = x² - 3x - 3x + 9

                      =  x² - 6x + 9 =  (x – 3)²   so

(x – h)²   = (x - 3)²  so  h= 3

ax² + bx + c is the standard equation

2. ( x – h)² - 6 = x² - 2x - 5     add 6 to both sides to get ( x – h)² alone

                + 6               + 6

(x – h)²          = x² - 2x + 1     factor the right side into a perfect square (b/2)

                      here b = -2  so b/2 = -1    so  (x – 1)²

                      (x – 1)² = (x - 1)(x - 1) = FOIL(first, outside, inside, last)

                      (x)(x) + (-1)(x) + (-1)(x) + (-1)(-1) = x² - 1x - 1x + 1

                      =  x² - 2x + 1 =  (x – 1)²   so

(x – h)²   = (x - 1)²  so  h= 1

4 0
3 years ago
Create a system of linear equations with infinitely many solutions. In your final answer, include the system of equations and th
bulgar [2K]
A system of linear equations \left \{ {{a_1x+b_1y=c_1} \atop {a_2x+b_2y=c_2}} \right. has:
1. unique solution, when: \frac{a_1}{a_2}\neq  \frac{b_1}{b_2};
2. no solutions, when: \frac{a_1}{a_2} = \frac{b_1}{b_2} \neq  \frac{c_1}{c_2};
3. infinitely many solutions, when:  \frac{a_1}{a_2} = \frac{b_1}{b_2} = \frac{c_1}{c_2}.
According to the part 3 you can create such system:
\left \{ {{x-2y=3} \atop {_2x-4y=6}} \right.
Graphs (the same line) are shown on the added picture.




3 0
4 years ago
.45 is 1/10 of what decimal?
Butoxors [25]

Answer:

4.5

Step-by-step explanation:

To get the answer, you have to multiply the number 0.45 by the denominator of 1/10. [The denominator is 10.]The reason for this is because 10 is the whole number of parts. When you multiply 1/10 x 0.45, you get 4.5 [Just move the decimal point one place to the right because 10 has one zero.]

To double check your answer, divide 4.5 by 10 or multiply 4.5 x 1/10. Either way you get 4.5, so that's the correct answer.

I hope this helps!

6 0
3 years ago
What is the Slope?<br> 4x + y = 1
Irina-Kira [14]

Answer:

m=-4

Step-by-step explanation:

8 0
3 years ago
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