3 years ago

Desmo laser challenge #5:hit the targets

Mathematics

1 answer:

igomit [66]3 years ago

6 0

Hit the mirrors and angle it to hit the target the laser will bounce from the mirror to the target

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Find the least common denominator for these two rational expressions -5/s -1/2s

Ronch [10]

-5/s -1/2s
.The least common denominator is 2, since 2 is divisible by 1 and by 2

The answer will be : -5/s -1/2s = -10/2s - 1/2s = -11s/2

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3 years ago

Brainlist Please help me

creativ13 [48]

Answer:

Yes she made an error. Explanation is below.

Step-by-step explanation:

Let the sample space for a six sided number cube be S

$n(S) = \{1,2,3,4,5,6\}\\n(S) = 6$

Let the event of a number getting greater than two be B

$n(B) = \{3,4,5,6\}\\n(B) = 4$

To find:

the probability of complement of B that is

p(~B) = ?

Solution"

First we need to solve probability for number getting greater than two

$p(B) = \frac{n(B)}{n(S)}$

Now substituting the values we get

$p(B) = \frac{4}{6}$

$p(B) = \frac{2}{3}$

but we need complement of B so

$p(\textrm{complement of B)} = 1 - p(B)\\p(\~B) = 1 - p(B)\\p(\~B) = 1 - \frac{2}{3}\\ =\frac{1}{3} \\$

P(complement of rolling a number greater than two) = $\frac{1}{3}$

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3 years ago

Scott bought three bags of candy with 75 pieces In each one. He plans to divide all the candy evenly among seven friends. How ma

kykrilka [37]

He wont have any to his self

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3 years ago

Read 2 more answers

State the excluded values for each. 60x^3/12x

olga nikolaevna [1]

$\frac{60x^{3}}{12x} = 5x^{2}$

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2 years ago

At noon of a certain day, when 5 pens and 3 pencils were placed in a drawer, the ratio of the number of pens to the number of pe

Molodets [167]

The question is probably incomplete. What i am assuming is that the person might ask for the previous ratio or the total number of pens and pencil in the drawer.

So if it is the previous ratio it obviously would be 47 - 5 : 17 -3 so 42 : 14 and in case he or she is asking for the total number of pens and pencils in the drawer before so they were 42 + 14 hence 56.

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3 years ago