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3 years ago

Please help me please please please

Mathematics

2 answers:

algol133 years ago

5 0

Answer:

Step-by-step explanation:

The lower quartile Q₁ is the value at the left side of the box, that is

Q₁ = 20

svetlana [45]3 years ago

4 0

The answer is 20. Since the first quartile is 20 and the second quartile is 80

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2 years ago

I don’t know the answer

Sunny_sXe [5.5K]

Answer:

AC ≈ 12.9 cm

Step-by-step explanation:

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sin40° = $\frac{b}{20}$

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2 years ago

Read 2 more answers

One week a computer store sold a total of 36 computers and external hard drives. the revenue from these sales was $30875 . if c

melamori03 [73]

To solve this problem you must apply the proccedure shown below:

1. You must make a system of equation by using the information given in the problem above. Then, let's call:

$x$ : The number of computers sold.

$y$ : The number of hard drives sold.

2. Therefore, you have the following system of equations:

$\left \{ {{x+y=36} \atop {1180x+125y=30875}} \right.$

2. Solve for $x$ in the first equation and substitute it into the second equation:

$x=36-y\\ 1180(36-y)+125y=30875$

3. Solve for $y$ :

$42480-1180y+125y=30875\\ y=11$

4. Substitute the value of $y$ into the first equation to calculate $x$ :

$x+11=36\\ x=25$

Therefore, the answer is: The store sold $25$ computers and $11$ hard drives.

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3 years ago