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Advocard [28]
3 years ago
12

How to solve -6x + 3y = 18 Y=2x - 2

Mathematics
2 answers:
posledela3 years ago
6 0
Let's solve this by substitution.  Note that y is defined:  y = 2x - 2.  Subst. 2x - 2 for y in the other equation:  -6x + 3(2x - 2) = 18.

Then -6x + 6x - 6 = 18.  Unfortunately, -6 does not equal 18, so there is no solution.  The graphs of these two lines are parallel.
ioda3 years ago
6 0
-6x + 3(2x-2)= 18

-6x + 6x - 6 = 18

-6 ¥ 18
no solution
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Adelle keeps track of the time her bus arrives at her stop. Since she has been keeping track, her bus has arrived on time 16 day
sertanlavr [38]

Answer:

25%

Step-by-step explanation:

4 days of 16 days is 25% or 1/4

Hope this helps! ;-)

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2 years ago
I WILL MARK FIRST ANSWER BRAINLIEST !!! PLS ANSWER QUICKLY !!!
Zarrin [17]

Answer:

104x + 52

None of the expressions listed are equivalent to 52(2x + 1)

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52(2x + 1)

Apply the distributive law:  a(b + c) = ab + ac

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2 years ago
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3 years ago
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3,425,645 rounded to the nearest hundred thousand
Ivan

Answer:

3,400,000

Step-by-step explanation:

refer to attached for reference

in our case, the digit in the hundred thousands place is the number 4.

How we round this digit depends on the digit directly to the right of it (i.e the ten-thousands place).

If the digit to the right is less than 5, then leave the digit in the hundred thousands place the same and make everything else to the right zeros.

if the digit to the right is 5 or greater, then increase the digit in the hundred thousands place by 1 and then make everything else to the right zeros.

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3 years ago
Find the missing factor 2x^2+15x+7=(2x+1)(?)
Genrish500 [490]

Answer:

? = (x + 7)

Step-by-step explanation:

2x^2 + 15x + 7 = (2x + 1) (?)

1. First you need to figure out what multiplied by 2x will give you 2x^2, which is x.

2. Then you need to find what would give you 15x. In this case because you have the 1 in (2x + 1), you already know that there is going to be an extra x. So, what times 2x gives you 14x? It's 7.

3. Lastly you need to make sure that 1 multiplied with 7 is equal to 7 and combine like terms.

4. Check: (2x + 1) (x + 7) =

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2x^2 + 15x + 7

5 0
3 years ago
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