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Radda [10]
3 years ago
15

I NEEP HELP ASAP PLEASE AND THANK YOU

Mathematics
1 answer:
sertanlavr [38]3 years ago
8 0

Answer:

The first answer, 3 times the square root of x squared is correct.

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A standard working day is 8 hours, if you were to work 125% of a normal day, how many total hours would you work?
Elodia [21]

Answer:

10 hours

Step-by-step explanation:

It is given that,

Standard working day is 8 hours

If you were to work 125% of a normal day, then it means that,

125\%\ \text{of}\ 8\ \text{hours}\\\\=\dfrac{125}{100}\times 8\\\\=10\ \text{hours}

Hence, you will work for 10 hours.

3 0
4 years ago
Here is a list of numbers:<br> 0, 10,-18, 7, -14,-7,7,-14,13,0<br> State the median.
Alex777 [14]
-21/2 which in decimals would be -10.5. The actual numbers would be -14 and -7 and the median
4 0
3 years ago
salma purchased a prepaid phone card for $20. long distance calls cost 24 cents a minute using this card. salma used her card on
suter [353]
We can set up an equation to solve this problem, but first we need to write out what we know.

$20 overall
$0.24 every minute
$13.52 remaining on the card

Now that we know our information, we can set it up in an equation. 

20 - 0.24x = 13.52

The 20 represents $20 overall when she first got the phone card.
We are then subtracting $20 from how must it costs a minute (which is 24 cents). The 'x' indicates the number we are trying to find (how many minutes her call lasted). Lastly, 13.52 is the result of everything, since she has $13.52 remaining on the card.

We can now solve the equation:

20 - 0.24x = 13.52
-0.24x = 13.52 - 20 /// subtract 20 from each side
-0.24x = -6.48 /// simplify
x = 27 /// divide each side by -0.24

Our solution is: x = 27.

-----

An easier way to solve this problem would be to first, subtract the total amount of money she had on the card when she first got it, and then the remaining total she ended up with.

$20 - $13.52 = $6.48

So, she spent a total of $6.48 on long distance calls, but since we are looking for how many minutes, we need to divide the total she spent and how much it costs per minute.

6.48 ÷ 24 = 27

We receive the same amount of minutes spent just like we did the last way we solved.

-----

Salma spent 27 minutes on the phone. 
3 0
4 years ago
What is the perimeter?
tigry1 [53]

Answer:

68

Step-by-step explanation:

All sides of a rhombus are equal.

6 0
3 years ago
Read 2 more answers
I need to simplify it
aivan3 [116]
3a^2 B^3 C^-2 OVER a^-3 b^6 c^3
7 0
3 years ago
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