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stepladder [879]
3 years ago
6

in how many ways can a student arrange 6 textbooks on a locker shelf that can hold 4 books at a time? 30 120 240 360

Mathematics
1 answer:
denis23 [38]3 years ago
4 0
On the 1st place he can put 6 textbooks, on the 2nd 5 textbooks etc...
6 · 5 · 4 · 3 = 360
Answer: D) He can arrange textbooks in 360 ways.
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stiv31 [10]
Must be 16 and 21 because we can see

30 and 70 has 10 as factor
24 and 44 has 2 as factor
12 and 30 has 2 as factor and all those factors are greater than one
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Solve the equation to find where the treste ground levelEnter your answers from least to greatest and round to the nearest The m
DaniilM [7]

Answer:

The trestle meets ground level at 0.875 units and 9.125 units

Step-by-step explanation:

Poorly formatted question.

The given equation is:

y = -x^2 + 10x - 8

Required

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To do this, we set y = 0

So, we have:

-x^2 + 10x - 8 = 0

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x^2 -10x + 8 = 0

Solve using quadratic formula:

x= \frac{-b \± \sqrt{b^2 - 4ac}}{2a}

Where:

a = 1; b =-10; c = 8

So, we have:

x= \frac{-(-10) \± \sqrt{(-10)^2 - 4*1*8}}{2*1}

x= \frac{-(-10) \± \sqrt{68}}{2*1}

x= \frac{-(-10) \± 8.25}{2}

x= \frac{10 \± 8.25}{2}

Solve the fraction

x= 5 \± 4.125

Split

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7 0
3 years ago
Use distributive property to remove the parentheses -5(-2v+3y-1)
RoseWind [281]

Answer:

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Step-by-step explanation:

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\frac{Sin(S)}{s} = \frac{Sin(R)}{r}

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5 0
4 years ago
A stack of 60 identical books at the book store was 135 inches tall.
koban [17]
<span>6.75 inches....................
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