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DIA [1.3K]
3 years ago
9

(-3,0),(5,-2) find the slope

Mathematics
1 answer:
Mashcka [7]3 years ago
3 0

Answer:

-4

Step-by-step explanation:

Point slope form: y - y = m (x - x)

5 - (-3) = m (-2 - 0)

5 + 3 = m (-2)

8 = m (-2)

m = 8/(-2)

m=4

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Step-by-step explanation:

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Pablo bought a desktop computer and a laptop computer. Before finance charges, the laptop cost $250 more than the desktop. He pa
olga55 [171]
A = price of the desktop

b = price of the laptop

now, we know the laptop was more expensive than the desktop by 250 bucks, thus b = a + 250.

for "a", he paid 8.5% in interest, for "b", he paid 5% in interest.

how much is 8.5% of a?  well (8.5/100) * a, or 0.085a.

how much is 5% of b?  well, (5/100) * b, or 0.05b.

now, we know the total charges for financing were $296, that means the interest paid in total was 296, thus whatever "a" or "b" are, we know that  0.085a + 0.05b = 296.

\bf \begin{cases}
\boxed{b}=a+250\\
0.085a+0.05b=296\\
----------\\
0.085a+0.05\left( \boxed{a+250} \right)=296
\end{cases}
\\\\\\
0.085a+0.05a+12.5=296\implies 0.135a=283.5
\\\\\\
a=\cfrac{283.5}{0.135}\implies a=2100

how much did the laptop cost?  well, b = a + 250.
7 0
3 years ago
You know that 44% of a number x is 99 you also know that 22% of a number y is 55 what are the values of x and y which number is
Tomtit [17]
44% of a number x is 99
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0.44×99= 43.56


22% of a number y is 55
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the greater number is 44% of a number is 99 so the value is 43.56
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Step-by-step explanation:

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Step-by-step explanation:

I don't know how to explain it, but I hope I got it right and that it helped you.

7 0
2 years ago
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