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OLga [1]
3 years ago
5

True or false if you divide a number by two it's always even

Mathematics
2 answers:
Gnesinka [82]3 years ago
8 0
False, ex: 18/2 = 9
false, ex: 18/2 = 9
Firlakuza [10]3 years ago
3 0
False : 102/2=51

False : 7/2=3.5

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Your school wants to take out an ad in the paper congratulating the basketball team on a successful​ season, as shown to the rig
iogann1982 [59]

Answer:

x_1 =-14.43 in, x_2 = 2.426in

Since the measurement can't be negative the correct answer for this case would be x =2.426 in

Step-by-step explanation:

Let's assume that the figure attached illustrate the situation.

For this case the we know that the original area given by:

A_i = 7 in *5 in = 35in^2

And we know that the initial area is a half of the entire area in red A_i = \frac{A_f}{2}, so then:

A_f = 2 A_ i =2*35 = 70

And we know that the area for a rectangular pieces is the length multiplied by the width so we have this:

70 = (x+7) (x+5)

We multiply both terms using algebra and the distributive property and we got:

70 =x^2 +12 x +5

And we can rewrite the expression like this:

x^2 +12 x -35 = 0

And we can solve this using the quadratic formula given by:

x = \frac{-b \pm \sqrt{b^2 -4ac}}{2a}

Where a = 1, b =12 and c=-35 if we replace we got:

x = \frac{-12 \pm \sqrt{(12)^2 -4(1)(-35)}}{2*1}

And the two possible solutions are then:

x_1 =-14.43 in, x_2 = 2.426in

Since the measurement can't be negative the correct answer for this case would be x =2.426 in

3 0
3 years ago
Four bread rolls weigh a total of 3/5 pounds. How much does each bread roll weigh?
timama [110]
Well, for his you would have to find the unit rate.
The easiest way to do this would first be converting 3/5 into a fraction (0.6)

next, divide that by 4 to get the weight of 1.

0.6/4 (the same as 0.6 x 0.25 or 6/10 x 1/4 if you are doing it without a calculator)

each bread weighs 3/20 (or 0.15) pounds.

7 0
3 years ago
Read 2 more answers
5) Your stock investments went from $450 in 2013 to $350 ir
Hatshy [7]

The most appropriate choice for percentage will be given by Percentage decrease in the investment is 22.22%

<h3>What Does Percent Mean?</h3>

Using a percentage of 100, we may express a ratio as a %.

Stock investments in this case decreased from $450 in 2013 to $350 in 2014.

Decrease in stock equals $100 ($450 - $355)

Decrease in percentage: 100/450 100 = 22.22%

<h3>What format does a percentage use?</h3>

The definition of percentage is "out of 100." In mathematics, percentages are used to represent parts of a whole, much as fractions and decimals. A total is considered to be made up of 100 equal parts when expressed as a percentage. The symbol % or, less commonly, the abbreviation 'pct' can be used to represent a percentage.

To learn more about percentage, refer to the link : brainly.com/question/24304697

#SPJ9

3 0
1 year ago
Renting boats on a lake cost $22 per hour plus a flat fee of $10 per insur
Alexandra [31]

Answer:

y = 22x+10

Step-by-step explanation:

4 0
2 years ago
Evaluate.<br><br> 0.23÷0.4⋅60+3.6÷1.2<br><br> Enter your answer as a decimal in the box.
malfutka [58]

Answer:

37.5

Step-by-step explanation:

6 0
2 years ago
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