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3 years ago

Give three ratios equivalent to 9:5

Mathematics

1 answer:

jok3333 [9.3K]3 years ago

6 0

Answer:

18 : 10

4.5:2.5

27 : 15

Step-by-step explanation:

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A rectangle’s width is 8 inches long. If the length is 3 times the width, what is the perimeter of the rectangle?

koban [17]

Answer:

the perimeter is 64

Step-by-step explanation:

the length is 24 because 8*3 = 24 and since it is perimeter of a rectangle there are two sides that are the same length which is the length are 24+24 and width is 8+8 and all together

24+24+8+8=64

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2 years ago

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2 years ago

Solutions to ( x - 2 )² = -16

drek231 [11]

Answer: There are no real solutions

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2 years ago

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Why are and Iby 4<br>and - 1 zeroes of the polynomial p(x) <br>= 4² +3x-1?

Serggg [28]

Answer:

$- 1 = 16 + 3x - 1 \\ 3x = 16 - 1 + 1 \\ \frac{3x}{3} = \frac{16}{3} \\ x = 5.33$

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2 years ago

Each letter of the word "thunderstorm" has been written on a separate slip of paper and put into a box. Find the probability of

xxTIMURxx [149]

SOLUTION

From the question, we want to find the probability of selecting a slip of paper with the letter t on it, then selecting the letter r, with replacement.

This means the probability of selecting t and r.

That is

$P(t)\times P(r)$

There are 12 letters (total outcomes). And there are 2r and 2t.

So probability becomes

$\begin{gathered} \frac{possible\text{ outcome}}{\text{total outcome }} \\ P(t)=\frac{2}{12} \\ P(r)=\frac{2}{12} \\ P(t)\times P(r)=\frac{2}{12}\times\frac{2}{12} \\ =\frac{1}{6}\times\frac{1}{6} \\ =\frac{1}{36} \end{gathered}$

Hence the answer is

$\frac{1}{36}$

7 0

11 months ago