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Gekata [30.6K]
2 years ago
14

Find the value of this expression if x = -2 and y = 4. ху 3

Mathematics
1 answer:
Evgen [1.6K]2 years ago
5 0

Answer:-8/3

Step-by-step explanation:

given xy/3

putting vales of x and y

(-2)(4)/3

-8/3

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A computer that originally cost $899 is on sale for 15% off. What is the sale price of the computer?
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Sale price is $764.15
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3 years ago
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caleb and emily are standing 100 yards from each other. caleb looks up at a 45 degree angle to see a hot air balloon. Emily look
Sunny_sXe [5.5K]
Check the picture below.

thus then

\bf \begin{cases}
y=100-a\\
y=a\sqrt{3}
\end{cases}\implies 100-a=a\sqrt{3}\implies 100=a+a\sqrt{3}
\\\\\\
100=a(1+\sqrt{3})\implies \boxed{\cfrac{100}{1+\sqrt{3}}=a}
\\\\\\
\textit{what is the altitude \underline{y} then?}\qquad y=100-a
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8 0
3 years ago
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Distribute -(-4v+6.3w-9.8)
Firdavs [7]

Answer:

4v-6.3w+9.8

Step-by-step explanation:

If you distribute the negative sign (same as distributing -1), then you get -(-4v) + (-6.3w) - (-(9.8))

Basically it's switching the signs

Hope that helped :)

3 0
2 years ago
How do u do this? I have a quiz tomorrow and this is so confusing. Any easier ways to do it?
ehidna [41]

Answer:

sure there is

Step-by-step explanation:

SSS means side side side so if 3 of the sides on each triangle are the same then its congruent Any time you see an A it stands for angle so you only have to learn the leters and then everything else is pretty straight forward

8 0
3 years ago
Explain why receiving a 15% discount is the same as finding 85% percent of the original cost of an item. Then, explain how the m
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Answer:

15% discount means you're paying 85% of the marked price because total is 100% and 100-15 = 85%

Let X be the naked price

Paid = marked price - discount

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Using distribution property,

Paid = X(1 - 15/100)

Paid = X[(100-15)/100]

Paid = X(85/100)

Which is 85/100 × X

Hence 85% of X

3 0
3 years ago
Read 2 more answers
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