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ratelena [41]
2 years ago
10

Please help me with this math problem who ever does first gets 100 points

Mathematics
2 answers:
umka2103 [35]2 years ago
7 0

Answer:

\displaystyle{ -  \frac{3}{5}  +  \frac{1}{3} }

  • LCM of 5 and 3=15.

So,

\displaystyle \:   \frac{-3 \times 3 + 1 \times 5}{15}

\displaystyle   \frac{-9 + 3}{15}

\displaystyle \frac{-4}{15}

Leona [35]2 years ago
4 0

Answer:

-\frac{4}{15}

Step-by-step explanation:

\frac{-3}{5} +\frac{1}{3}

\frac{-9}{15} +\frac{5}{15}

\frac{-9+5}{15}

\frac{-4}{15}

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Shankar has decided to train to be a Carbucks Barrista. Being young and inexperienced, for every order he makes a mistake in mak
astra-53 [7]

Answer:

Step-by-step explanation:

Since each trial is independent of the other

no of mistakes he does is binomial with p = 1/3

a) the probability that he makes no mistakes on his first 10 orders but the 11th order is a mistake

= (\frac{2}{3}) ^{10} *\frac{1}{3}\\=\frac{2^{10} }{3^{11} }

b) Prob that shanker quits = P(Shankar does I one mistake and Fran does not do the first one)+Prob (Shanker does mistake in the II one while Fran does both right)

= \frac{1*5}{3*6} +\frac{2}{3} \frac{1}{3}(\frac{5}{6})^2  =\frac{5}{18} +\frac{50}{216} \\=\frac{55}{108}

6 0
3 years ago
Max runs 3 laps around the track in 8 min. How many minutes per lap is that?
ICE Princess25 [194]

Answer:

Step-by-step explanation:

8/3 = 2.6666 (repeating 6)

so rounded about 2.7 minutes per lap :)

3 0
3 years ago
the diagram shows a door that has a window in it the front faces the door and window are similar rectangles that have the dimens
Vaselesa [24]

Answer:

<u>The correct answer is B. 150 cm.</u>

Correct statement, question and diagram:

The diagram shows a door that has a window in it. The front faces of the door and window  are similar rectangles that have the dimensions shown. What is <em>h, </em>the height of the window in centimeters?

A. 66 cm

B. 150 cm

C. 186 cm

D. Not here.

Source:

Question that can be found at quizizz

Step-by-step explanation:

Let's recall that if the door and the window in it are similar rectangles, then we have:

60/84 = h/210

84 * h = 210 * 60

84h = 12,600

h = 12,600/

h = 150 cm

<u>The correct answer is B. 150 cm.</u>

3 0
3 years ago
Read 2 more answers
Integers- Question 4 a-b
gregori [183]
Hope I was able to help.

6 0
3 years ago
What is 32\6 - 4 5\7
givi [52]
32/6 - 4 5/7

32/6 - 20/7

52/21 = 2 10/21 or 2.47
5 0
3 years ago
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