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miskamm [114]
3 years ago
10

what day of the week will it be 1,000 days from today?Use math to solve this problem. Explain your answer.

Mathematics
1 answer:
Rasek [7]3 years ago
3 0

Answer:

Thursday

Step-by-step explanation:

1,000/7=142.857143

OR

1,000/7=142 with a remainder of 6

You can find this easier by using long division

If today is Friday then 1,000 days from today will be Thursday

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It doesn't really have a role. This is because of the ^2, even if the number were to be a negative it would end up as a positive at the end. 
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Why is humanity suffering from stupidity?
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12 balls numbered 1 through 12 are placed in a bin. In how many ways can 3 balls be drawn, in order, from the bin, if each ball
Iteru [2.4K]

Answer:

1320

Step-by-step explanation:

There are three "spots" for balls.

__ __ __

For the first "spot," and without replacement, meaning we don't put the balls back, there are 12 choices.

12 __ __

But for the next spot, there are only 11 choices. And for the next, there are only 10!

12 11 10

Since these are independent events, we multiply them together.

12 x 11 x 10 = 1320

There are 1320 possibilities!

How could we do it on the calculator, much faster? The question says "in order," so we know it's a <em>permutation,</em> not a <em>combination.</em> This is the nPr button on the calculator (math -> prb -> 2). Just type in 12 nPr 3 and you get the same answer, 1320.

3 0
3 years ago
Complex numbers are used in electronics to describe the current in an electric circuit. Ohm's law relates the current in a circu
Marina CMI [18]

Answer:

E = 3072i - 5904ohms

Step-by-step explanation:

From ohms law recalled that E = IR given already

E = voltage (volts)

I = Current (amps)

R = resistance (ohms)

Therefore, by substitution

I = 16i and R = (2+4)ohms(32+66i)

= 6(32+66i) ohms

= (192+396i)ohms

E = (16i)×(192+396i)

E = 3072i + 5904i²

Recall that i² = -1 from complex number

E = 3072i +5904(-1)

E = 3072i - 5904ohms

5 0
3 years ago
A particular style of jacket costs the retailer $85 per jacket. At what price should the retailer mark them so he can sell them
postnew [5]

Answer:

$130

Step-by-step explanation:

Cost = 85

To make 30% profit, he would need to sell them at:

85 + (0.3)(85) = 110.5

Now, he would need to sell them at 110.5 AFTER giving  a 15% discount. So essentially we are asking, "<em>What number discounted (decreased) by 15% would give us 110.5??"</em>

<em />

We can let that price be x and write the equation:

x - (0.15)(x) = 110.5

x - 0.15x = 110.5

0.85x = 110.5

x = 110.5/0.85 = 130

The retailer should mark the jacket at $130

7 0
3 years ago
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