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tekilochka [14]
3 years ago
11

Jason earns $35.50 on Monday, spends $24.00 on Tuesday, and earns $12.50 on Wednesday. Which equation shows how the Associative

Property can be used when adding these rational numbers?
35.50 + (−24.00) + 12.50 = −24.00 + 35.50 + 12.50
[35.50 + (−24.00)] + 12.50 = 35.50 + [(−24.00) + 12.50]
35.50 + (-24.00) + 12.50 = 35.50 + 12.50 + (−24.00)
(35.50 + (−24.00)) + 12.50 = (−24.00 + 35.50) + 12.50
Mathematics
1 answer:
madam [21]3 years ago
5 0
The answer is 24. 35.50-24.00 is 11.50 and you add that with the 12.50 that he earned on Wednesday and you get 24 as the answer

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Answer:

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7 0
2 years ago
Which of these is a simplified form of the equation 9y + 5 = 7 + 3y + 2y?
ArbitrLikvidat [17]
We just have to solve  to get a simplified answer

we have 
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3 years ago
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4 0
3 years ago
A circle has radius 50 cm. Which is closer to its area ?
SOVA2 [1]

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3 0
2 years ago
Can anyone teach me plz<br>This question about math<br>Plz open to see clearly
emmainna [20.7K]

Assuming you know the quadratic formula:

x = \frac{-b \pm \sqrt{b^2-4ac}}{2a}

You can fill in a, b and c in this and get:

x = \frac{4 \pm \sqrt{16-8p}}{4}

Now, let's create a shorthand q = \frac{\sqrt{16-8p}}{4} to make the writing easier:

x = 1 \pm q

But since one root is three times the other root (but we don't know which one), we also know that:

1 + q = 3(1-q) or 1 - q = 3(1+q)

If you solve this, you get:

q = \frac{1}{2} or q = -\frac{1}{2}

However, since q is a square root, it must be postive.

So we know that:

\frac{\sqrt{16-8p}}{4} = \frac{1}{2}

From this you find that

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The roots are x=1/2 and x=3/2.





5 0
2 years ago
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