Answer:
32 - 9 x (don't know what you want simplify or solve for x) x = 32/9
Step-by-step explanation:
Simplify the following:
20 - 3 (3 x - 4)
-3 (3 x - 4) = 12 - 9 x:
12 - 9 x + 20
Grouping like terms, -9 x + 12 + 20 = (20 + 12) - 9 x:
(20 + 12) - 9 x
20 + 12 = 32:
Answer: 32 - 9 x
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Solve for x:
20 - 3 (3 x - 4) = 0
-3 (3 x - 4) = 12 - 9 x:
12 - 9 x + 20 = 0
Grouping like terms, -9 x + 12 + 20 = (20 + 12) - 9 x:
(20 + 12) - 9 x = 0
20 + 12 = 32:
32 - 9 x = 0
Subtract 32 from both sides:
(32 - 32) - 9 x = -32
32 - 32 = 0:
-9 x = -32
Divide both sides of -9 x = -32 by -9:
(-9 x)/(-9) = (-32)/(-9)
(-9)/(-9) = 1:
x = (-32)/(-9)
Multiply numerator and denominator of (-32)/(-9) by -1:
Answer: x = 32/9
Answer:
45º
Step-by-step explanation:
If the two interior angles are congruent they are the same. All angles add up to 180º, so 180-90=90. 90/2=45, ergo the answer is 45º.
Answer: 6.25
Step-by-step explanation: well first you gotta move a decimal over to the left once and then it'll look like this 50/8 and then solve it.
A is 25a+8
B is b-18
hope this help you
let me know is wrong or right?
You want to know when both colleges have the same enrollment. "When" is a time thing so you are going to be solving for x. The number of students is the same and that means you will be solving for y.
Since both ys are equal, you can equate the right side of each equation to each other.
0.046 x + 0.570 = - 0.036x + 2.702 There are a number of ways to go on. The easiest is to dig out your calculator. Add 0.036x to both sides.
0.046x + 0.036x + 0.570 = 2.702
0.082x + 0.570 = 2.702 Now subtract 0.570 from both sides.
0.082x = 2.702 - 0.570
0.082x = 2.132 Divide by 0.084
x = 2.132 / 0.082
x = 26 which means you add 26 onto 1990. The year this took place was 2016
x = 2016 (That's the year there was equality in enrollment). The second one is the only year that gives 2016 as an answer. So you don't have to find y. But we'll do it anyway.
Now you have to solve for y
y = 0.046x +0.57 put 26 in for x
y = 0.046 * 26 + 0.570
y = 1.196 + 0.570
y = 1.766 enrollment numbers were equal, but this is in thousands.
y = 1766 enrollment in actual numbers of students.
Second choice <<<<<===== answer.
