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sineoko [7]
3 years ago
12

Which value is a solution of the inequality 9 >_ 1/2x

Mathematics
1 answer:
MrRa [10]3 years ago
5 0

Answer:

x \leq 18.

Step-by-step explanation:

Since we have the following inequality, 9 \geq 0.5x, we can multiply both sides of the inequality by 2. Doing this, gets up x \leq 18.

Hope this helped!

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15 points please help!! :)<br> Find the value of x.
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Answer:

Question 4: -11

Question 5: -7

Step-by-step explanation:

Four

Every triangle has 180 degrees.

So all three angles add to 180

<em><u>Equation</u></em>

60 + 80 + x + 51 = 180

<em><u>Solution</u></em>

Combine the like terms on the left. This is the first time I've seen x be a negative value. Almost all of the time it isn't, which should make you wonder.

191 + x = 180    

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Five

If a triangle is a right triangle and one of the angles is 45, then so is the other one.

<em><u>Proof</u></em>

a + 45 + 90 = 180         Combine like terms on the left

a + 135 = 180                Subtract 135 on both sides.

a + 135-135=180-135    Combine the like terms

a = 45

<em><u>Statement</u></em>

That means 52 + x = 45 and here is another negative answer. Subtract 52 from both sides

52 - 52 + x = 45 - 52    Combine like terms.

x  = - 7

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