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2 years ago

Why do some people sleep with hair rollers

Mathematics

1 answer:

charle [14.2K]2 years ago

3 0

Answer:

to have their hair ready and curled the next day. and to not have it heated or chemical damaged bc it ruins ur hair :)

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Someone help me for this algebra task please

Gekata [30.6K]

Answer:

200

Step-by-step explanation:

Substitute 15 for y

$\frac{1}{5} x - \frac{2}{3} (15) = 30$

$\frac{1}{5} x - 10 = 30$

$\frac{1}{5} x = 40$

$x = 200$

3 0

3 years ago

Solve 2x-3< 2<br>please answer it fast

murzikaleks [220]

Answer:

x<5/2

Step-by-step explanation:

We have

2x−3<2

Add 3 to both sides.

2x−3 +3 <2 +3

which makes

2x<5

Divide both sides by 2.

2x/2 < 5/2

x<5/2

4 0

2 years ago

A data analyst has spreadsheets numbered

algol [13]

Answer:

$\frac{2}{9}$

Step-by-step explanation:

${\textrm}{Total number of objects here} = 9$

(2 spreadsheets, 3 databases and 4 presentations,

${\textrm}({Total} = 2+3+4 = 9)$

${\textrm}{No. of databases with an odd number} = 2 {\textrm}{(databases with number 1 and 3})$

As not mentioned other wise equal chances of all the outcomes is assumed so, by the classical definition of probability,

P(The chosen item is a odd numbered database)

= $\frac{2}{9}$

8 0

3 years ago

Evaluate $\dfrac{2\sqrt{72}}{\sqrt{8}+\sqrt{2}}$.

Pavlova-9 [17]

<h3>Answer: 4</h3>

========================================================

Work Shown:

$\frac{2\sqrt{72}}{\sqrt{8}+\sqrt{2}}\\\\\frac{2\sqrt{36*2}}{\sqrt{4*2}+\sqrt{2}}\\\\\frac{2\sqrt{36}*\sqrt{2}}{\sqrt{4}*\sqrt{2}+\sqrt{2}}\\\\\frac{2*6*\sqrt{2}}{2*\sqrt{2}+\sqrt{2}}\\\\\frac{12\sqrt{2}}{2\sqrt{2}+\sqrt{2}}\\\\\frac{12\sqrt{2}}{3\sqrt{2}}\\\\\frac{12}{3}\\\\4$

Note in step 2, I factored each number in the square root to pull out the largest perfect square factor. From there, I used the rule that $\sqrt{A*B} = \sqrt{A}*\sqrt{B}$ to break up the roots.

8 0

2 years ago

Thr diffrence between 4,632 and 20,000

stira [4]

The answer to that is :

15,368

6 0

3 years ago

Read 2 more answers