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mars1129 [50]
4 years ago
11

How do I solve this problem?

Mathematics
1 answer:
REY [17]4 years ago
8 0
This can be modelled as an inequality:

Profit > costs
Let x be the number of books, so: 
15x > 4x + 3500 
11x > 3500
x > 3500 / 11
x > 318.18
so you need to sell 319 books.

Hope that helped!
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4 loads of stone weigh 2/3 ton.Find the weight of 1 load of stone
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g One card is selected randomly from a standard​ 52-card deck. a. What is the probability of drawing a ​
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Answer:

Probability [Getting a red card] = 1/2

Step-by-step explanation:

Given:

Total number of cards = 52

Find:

Probability [Getting a red card]

Computation:

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Probability [Getting a red card] = 1/2

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12x + 6 Please help and explain how you got it
sweet [91]
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6 0
4 years ago
What is the amplitude of sin ?
sp2606 [1]

You haven't provided a graph or equation so I will tell the simplified meaning of amplitude instead.

Amplitude, is basically a distance from midline/baseline to the maximum or minimum point.

For sine function, can be written as:

\displaystyle \large{ y = A \sin(bx  -  c) + d}

  • A = amplitude
  • b = period = 2π/b
  • c = horizontal shift
  • d = vertical shift

I am not able to provide an attachment for an easy view but I will try my best!

We know that amplitude or A is a distance from baseline/midline to the max-min point.

Let's see the example of equation:

\displaystyle \large{y = 2 \sin x}

Refer to the equation above:

  • Amplitude = 2
  • b = 1 and therefore, period = 2π/1 = 2π
  • c = 0
  • d = 0

Thus, the baseline or midline is y = 0 or x-axis.

You can also plot the graph on desmos, y = 2sinx and you will see that the sine graph has max points at 2 and min points at = -2. They are amplitude.

So to conclude or say this:

If Amplitude = A from y = Asin(x), then the range of function will always be -A ≤ y ≤ A and have max points at A; min points at -A.

6 0
3 years ago
In the United States nearly 8 x 10^9 text messages are sent everymonth About how many text messages is this! Find the primefacto
iris [78.8K]
8\times10^9=2^{12}\times5^9

1) Since in the USA 8 x 10 ^9 messages are sent every month, that means that approximately 8 billion messages are sent.

2) We can Prime factorize it:

Note that on the right side we've picked only prime numbers. In this case, 2 and 5.

So we can rewrite 8 x 10^9 as prime factors.

8\times10^9=2^{12}\times5^9

3) Hence, the answer is:

8\times10^9=2^{12}\times5^9

7 0
1 year ago
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