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3 years ago

Round 18 1/2 to the nearest whole number

Mathematics

2 answers:

Ket [755]3 years ago

7 0

Answer:

Step-by-step to explanation:

1/2 or .50 is always rounded up 1/1 or 1.00

sladkih [1.3K]3 years ago

6 0

Answer:

Step-by-step explanation:

18.5 rounded is 19 because if the number is 5 or greater it goes up if is lower it goes down and 18.5 is rounding the .5 which rounds to 19

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How do u turn y +2=-3(x-1) Into standard form

Darina [25.2K]

Answer:

Step-by-step explanation:

$y+2=-3(x-1)\\\\\text{It's a point-slope form of an equation of a line}.\\\\\text{The standard form is:}\ Ax+By=C.\\\\\text{Convert:}\\\\y+2=-3(x-1)\qquad\text{use the distributive property}:\ a(b+c)=ab+ac\\\\y+2=(-3)(x)+(-3)(-1)\\\\y+2=-3x+3\qquad\text{subtract 2 from both sides}\\\\y+2-2=-3x+3-2\\\\y=-3x+1\qquad\text{add}\ 3x\ \text{to both sides}\\\\y+3x=-3x+3x+1\\\\3x+y=1$

6 0

3 years ago

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Solve. <br> 10⁵<br>pls help meh

vovikov84 [41]

Answer:

100000

Step-by-step explanation:

10 x 10 x 10 x 10 x 10

3 0

3 years ago

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A 20,000 deposit earns 3.6% interest for 3 years. If no money is deposited or withdrawn how much interest will ever earned at th

Naddik [55]

Answer:2,160

Step-by-step explanation:Multiply 20,000 by the percent then multiply the number you get by 3

8 0

3 years ago

What is the slope of (2 , -2) (0,4)

Bogdan [553]

Answer:

-3

Step-by-step explanation:

The slope for two points is found by

m = (y2-y1)/(x2-x1)

= (4--2)/(0-2)

= (4+2)/(0-2)

= (6/-2)

=-3

5 0

3 years ago

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Two persons work together at the local aquarium. It takes the first person 120 minutes to clean the jellyfish tanks. Since the s

matrenka [14]

Answer:

168 minutes

Step-by-step explanation:

It takes 120 minutes for the first person to clean the jellyfish tank.

This means that in 1 minute the first person cleans $\frac{1}{120}$ of the tank.

Let the time taken by the second person working alone to clean the tank be x minutes.

Then in 1 minute the second person cleans $\frac{1}{x}$ of the tank.

Working together, the two persons clean,

$\frac{1}{120} + \frac{1}{x}$ of the tank

But it is given that the two persons working together can clean the tank in 70 minutes. This means that in 1 minute both of them can clean $\frac{1}{70}$ of the tank.