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Ratling [72]
2 years ago
9

(09.02)

Mathematics
1 answer:
dmitriy555 [2]2 years ago
4 0
X^2 - 7x + 12 = 0
x^2 - 4x - 3x + 12 = 0
x (x - 4) -3 ( x - 4) = 0
(x - 4) (x - 3) = 0
x = 3 , 4

Check the answer by plugging in 3 and 4 for x, if the equation equals zero then you have your answer.
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5 0
3 years ago
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Solve the inequality 3 -2a > 7
Paul [167]
3 - 2a > 7
We need to solve for a

First, let's subtract 3 on both sides to have the variables on a side and the numbers on another side:
3 - 2a > 7
3 - 2a - 3 > 7 - 3
- 2a > 4

Let's divide both sides by -2 to have a on side and its value on the other side:
-2a > 4
(-2a)/(-2) > (4/-2)
a < -2 (In a case of an inequality, we change the sign when we divide by a negative number to its opposite).

So 3 - 2a > 7 when a < -2 (answer c)

Hope this helps! :D

3 0
3 years ago
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Write 243 hundredths as a decimal
goldenfox [79]
Your answer would be 2.43 !
4 0
3 years ago
What is the solution for p in the equation?
Nookie1986 [14]

Answer:

p=-6

Step-by-step explanation:

the first thing to do is to add all like terms for example \frac{1}{3}p+\frac{1}{2}p would turn into \frac{2}{6}p+\frac{3}{6}p to make it so we can add them together which after we add both of those p's together we get \frac{5}{6}p which now we have \frac{5}{6}p+7=\frac{7}{6}p+5+4 which now we add 5 and 4 which we get 9 which now the equation looks like \frac{5}{6}p+7=\frac{7}{6}p+9 which now we subtract 7 from 9 and we are left with 2 so now the equation is \frac{5}{6}p=\frac{7}{6}p+2 which now we subtract \frac{7}{6}p from \frac{5}{6}p and we are left with -\frac{2}{6}p=2 which now we divide both sides by -\frac{2}{6} which makes the equation look like p=2÷-\frac{2}{6} which equals -6 so all we are left with is p=-6

6 0
3 years ago
Determine the constant rate of change (slope) of the linear function.
daser333 [38]

Answer:

A customer pays $12,975.00 for a $8,600.00 bill. Find the least amount of bills and coins to give change.

First calculate change amount

Change = Cash - Bill

Change = $12,975.00 - $8,600.00

Change = $4,375.00

Next calculate denominations and quantities of change that get us to 0

Our current target value is $4,375.00

The highest coin/dollar value <= $4,375.00 is 43 hundred-dollar bills

43 hundred-dollar bills = $4,300.00

Subtract $4,300.00 from our current total of $4,375.00 to get $75.00

Our current target value is $75.00

The highest coin/dollar value <= $75.00 is 1 fifty-dollar bill

1 fifty-dollar bill = $50.00

Subtract $50.00 from our current total of $75.00 to get $25.00

Our current target value is $25.00

The highest coin/dollar value <= $25.00 is 1 twenty-dollar bill

1 twenty-dollar bill = $20.00

Subtract $20.00 from our current total of $25.00 to get $5.00

Our current target value is $5.00

The highest coin/dollar value <= $5.00 is 1 five-dollar bill

1 five-dollar bill = $5.00

Subtract $5.00 from our current total of $5.00 to get $0.00

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
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