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beks73 [17]
3 years ago
11

4 + x = 12 solve equation ///ASAP /// WILL MARK BRAINLIEST

Mathematics
1 answer:
Bess [88]3 years ago
4 0

Answer:

Answer is 8.

Step-by-step explanation: 12-4=8 so 4+8=12

hoped this helped you

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Hi t takes 8 minutes for 3 cars to go by in a car wash at the same rare how many will go by in 24 minutes
Law Incorporation [45]

Answer:

9

Step-by-step explanation:

First figure out the ratio by doing 3/8, which gives you .375. Then, since that is per minute, you do .375 x 24 which gives you 9, since .375 cars go throug in one minute and it is 24 minutes.

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3 years ago
Solve the following inequality. 5x-3 > 7
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If x divided by 9 = 1, how do you know what x is
padilas [110]
X/9=1

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6 0
2 years ago
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Why does a radical function with an even index only appear on one sode of the x-axis while a radical woth an odd index appears o
Vladimir79 [104]

Consider the equation y = x^2. No matter what x happens to be, the result y will never be negative even if x is negative. Example: x = -3 leads to y = x^2 = (-3)^2 = 9 which is positive.

Since y is never negative, this means the inverse x = sqrt(y) has the right hand side never be negative. The entire curve of sqrt(x) is above the x axis except for the x intercept of course. Put another way, we cannot plug in a negative input into the square root function for this reason. This similar idea applies to any even index such as fourth roots or sixth roots.

Meanwhile, odd roots such as a cube root has its range extend from negative infinity to positive infinity. Why? Because y = x^3 can have a negative output. Going back to x = -3 we get y = x^3 = (-3)^3 = -27. So we can plug a negative value into the cube root to get some negative output. We can get any output we want, negative or positive. So the range of any radical with an odd index is effectively the set of all real numbers. Visually this produces graphs that have parts on both sides of the x axis.

3 0
2 years ago
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