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cestrela7 [59]
3 years ago
10

What is -18/-6? I am having trouble with negative numbers.

Mathematics
2 answers:
dolphi86 [110]3 years ago
7 0

Answer:

1.125

Step-by-step explanation:

The symbol " / " is a Divide expression. If you divide both negative or add, subtract and multiply, the anwer will be positive.

-18/-16 =

Exact Form :

9/8

Decimal Form :

1.125

Mixed Number Form:

1 1/8

8_murik_8 [283]3 years ago
3 0

Answer:

3

Step-by-step explanation:

This is a simple rule with negative numbers, a negative divided by a negative is negative. So, 18/6 is 3, so the answer is 3

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When p = 12, t = 2, and s= 6, r= 18. If r varies directly with p and inversely with the product of s and t, what is the
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Answer:

r=kp/s×t

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18=12k/12

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Solve. 3 1/4 - 1 5/8
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Step 1. Convert 3 1/4 to an improper fraction.

3 * 4 + 1/4 - 1 5/8

Step 2. Simplify 3 * 4 to 12

12 + 1/4 - 1 5/8

Step 3. Simplify 12 + 1 to 13

13/4 - 1 5/8

Step 4. Convert 1 5/8 to an improper fraction.

13/4 - 1 * 8 + 5/8

Step 5. Simplify 1 * 8 to 8

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Step 7. Find the Least Common Denominator (LCD) of 13/4, 13/8

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Step 8. Make the denominators the same as the LCD

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26/8 - 13/8

Step 10. Join the denominators

26 - 13/8

Step 11. Simplify

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6 0
3 years ago
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Y is directly proportional to x,and y=216 when x=2. Find y when x=7.
makkiz [27]
\bf \qquad \qquad \textit{direct proportional variation}\\\\
\textit{\underline{y} varies directly with \underline{x}}\qquad \qquad  y=kx\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad  variation
\end{array}\\\\
-------------------------------\\\\
\textit{we also know that }
\begin{cases}
y=216\\
x=2
\end{cases}\implies 216=k2\implies \cfrac{216}{2}=k
\\\\\\
108=k\qquad therefore\qquad \boxed{y=108x}
\\\\\\
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