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aniked [119]
2 years ago
15

The first day of shooting a movie, a director uses 30% of a film reel. The strip of

Mathematics
1 answer:
wel2 years ago
4 0

Answer:

27

Step-by-step explanation:

30% of 90 can be written as 30% × 90

= 30/100 × 90

= 27

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(8x-11)-(15-x)=1 dont know where to start with it​
schepotkina [342]

Answer:

<em>x</em><em> </em><em>=</em><em> </em><em>3</em>

Step-by-step explanation:

First open the brackets. While opening brackets, you've to be careful about signs. So when you open bracket of <em>(</em><em>1</em><em>5</em><em>-</em><em>x</em><em>)</em>, there's <em>negative</em> sign in front of it, so it makes the signs inside the brackets to change. Then you solve the it.

4 0
4 years ago
Read 2 more answers
Find an equation of the vertical line that passes through (x, y) = (−7, 1).
maksim [4K]
The answer would be x=-7
8 0
3 years ago
Vidriana rolled a number cube 96 times. Her results are shown in the table, what is the experimental probability of rolling an e
hichkok12 [17]

Answer:

50/96

Step-by-step explanation:

I assume the table is:

\left[\begin{array}{cc}Result&Total\\1&15\\2&13\\3&16\\4&17\\5&15\\6&20\end{array}\right]

Even numbers are 2, 4, and 6.  The total number of times she rolled an even number is 13 + 17 + 20 = 50.

So the probability is 50/96.

7 0
3 years ago
What is the ratio of 7 :21 in their simplest form​
Anon25 [30]

divide both sides by 7

>>>>>> 1 : 3

8 0
3 years ago
The value of y varies inversely as the square of x, and y = 16, when x = 3.
irina [24]

Answer:

The answer is

<h2>12</h2>

Step-by-step explanation:

The above variation is written as

y =  \frac{k}{ {x}^{2} }

where k is the constant of variation

when y = 16

x = 3

k = yx²

k = 16(3)²

k = 16 × 9

k = 144

The formula for the variation is

y =  \frac{144}{ {x}^{2} }

when y = 1

We have

1 =  \frac{144}{ {x}^{2} }

Cross multiply

x² = 144

Find the square root of both sides

x = √144

x = 12

Hope this helps you

7 0
3 years ago
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