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rusak2 [61]
3 years ago
5

Your laptop battery will last for exactly 6 hours before it needs to be recharged.You have had your laptop on for

Mathematics
1 answer:
diamong [38]3 years ago
5 0

Answer:

3\frac{1}{2} hours

Step-by-step explanation:

You have to subtract 2 1/2 from 6 and that will equal 3 and 1/2.

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The equation of a vertical line has what format
saveliy_v [14]
X=_________
or 
y=_________
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7 0
3 years ago
Multiply and simplify the following expression -4√15 x(-√3)
larisa [96]

Answer:

\large\boxed{12\sqrt5}

Step-by-step explanation:

\text{Use}\ \sqrt{ab}=\sqrt{a}\cdot\sqrt{b}\\-----------------\\\\-4\sqrt{15}\cdot\left(-\sqrt3\right)=4\sqrt{(15)(3)}=4\sqrt{5\cdot3\cdot3}=4\sqrt5\cdot\sqrt9\\\\=4\sqrt5\cdot3=12\sqrt5

6 0
3 years ago
How many square units are in an office that is 13 units by 9 units? 22 117 121 130?
julsineya [31]
Square units are the units of measuring area. Therefore, this question asks for the area of the room.

The room has the shape of a rectangle with:
length = 13 units and width = 9 units

The are of the rectangle can be calculated using the following rule:
area of rectangle = length * width
area of the room = 13 * 9 = 117 square units
8 0
4 years ago
Brainiest for An Actuate answer
const2013 [10]

Answer:

cos(x)=\frac{8}{17}

Step-by-step explanation:

The ratio will remain the same because all the sides will be equally increased. The angles will also remains the same.

Best Regards!

5 0
3 years ago
5
Phoenix [80]

Answer:

4:3

Step-by-step explanation:

The computation of the ratio of females to males is shown below

Since it is mentioned that there is 28 students in the class out of which 12 are boys

So, the females are

= 28 - 12

= 16

SO, the ratio of females to males is

16:12

4:3

4 0
3 years ago
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