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2 years ago

10

you spin the pointer on the spinner . find the probability that the pointer will stop on a number less then 5 . <3 PLEASE HEL

P ! <3

1 answer:

Dominik [7]2 years ago

4 0

THere are 8 numbers in the spinner out of which 1, 2, 3, 4 (i.e. 4 numbers) are less than 5.
P(less than 5) = 4/8 = 1/2

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Y is directly proportional to x,and y=216 when x=2. Find y when x=7.

makkiz [27]

$\bf \qquad \qquad \textit{direct proportional variation}\\\\
\textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------\\\\
\textit{we also know that }
\begin{cases}
y=216\\
x=2
\end{cases}\implies 216=k2\implies \cfrac{216}{2}=k
\\\\\\
108=k\qquad therefore\qquad \boxed{y=108x}
\\\\\\
\textit{when x = 7, what is \underline{y}?}\qquad y=108(7)$

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Read 2 more answers

PLEASE HELP TIMED TEST What is the value of x in the matrix equation below?

Ksivusya [100]

Answer:

x = 1

Step-by-step explanation:

Given the matrix;

$-2\left[\begin{array}{ccc}x&-1\\3&5\end{array}\right] + \left[\begin{array}{ccc}3&8\\-1&6\end{array}\right] = \left[\begin{array}{ccc}x&10\\-7&-4\end{array}\right]$

Converting to equations

From the first row of each matrices

-2x + 3 = x

Collect the like terms

-2x - x = -3

-3x = -3

x = -3/-3

x = 1

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3 years ago

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ikadub [295]

Answer:

B

Step-by-step explanation:

2x+2>10

2x>10-2

x>8/2

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3 years ago

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Zarrin [17]

Step-by-step explanation:

The are of rectangle is 1300.5cm2

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3 years ago