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algol [13]
3 years ago
15

How to multiply 21 x 25 in oldschool way

Mathematics
1 answer:
VladimirAG [237]3 years ago
8 0
Use a calculator i don't know
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-6-2b=-8. What's the answer
Ksivusya [100]

Answer: B = 1

Step-by-step explanation: The first step is to add 6 to both sides of the equation to get -2b = -2

You then divide both sides by negative 2 so you can get a positive

dividing both sides by negative 2 will leave you with 1b = 1

so

b = 1

8 0
3 years ago
The difference of x and 4, cubed, times 6
Yanka [14]
<h2>Answer:</h2>

<u>The answer is </u><u>6x³ - 72x² +288 -384</u>

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3 years ago
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Use the "at least once" rule to find the probability of getting at least one 2 in four rolls of a single fair die.
Alexandra [31]

Answer:

Probability of getting at least one 2 equals 0.5177

Step-by-step explanation:

The probability of at least one success is

P=1-(1-p)^{n}

where,

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'n' is number of events

We have probability of getting 2 is 1/6 thus 'p' = 1/6

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P=1-(1-\frac{1}{6})^{4}\\\\P= 0.51177

8 0
3 years ago
Describe how the graph of y | x| -4 is like the graph of y= |x| and how it is different.
zhannawk [14.2K]
The graph y=|x|-4 is obtained from the graph y=|x| dy <span>moving down 4 units the graph y=|x|  along the y-axis (see, if x=0, then for y=|x|, y=0 and for y=|x|-4, y=-4).
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These two graphs have the same form.
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4 0
3 years ago
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Translate the sentence into an inequality. Eight times the sum of a number and 20 is greater than or equal to 25. Use the variab
PtichkaEL [24]

Answer:

8x + 20 ≥ 25

Step-by-step explanation:

Well 8 times the sum of a number "x" plus 20,

So we can write the following,

8x + 20

and that should be greater than or equal to 25

8x + 20 ≥ 25

<em>Thus,</em>

<em>as an inequality it is 8x + 20 ≥ 25.</em>

<em />

<em>Hope this helps :)</em>

3 0
3 years ago
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