2 years ago

What are square numbers

Mathematics

1 answer:

Degger [83]2 years ago

3 0

Square numbers are numbers with an odd number of factors. For example, 1 and 4 are square numbers.

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8. Give an example of a rational number that is NOT an integer.

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Answer:

2.37 its a rational number because its a decimal

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2 years ago

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A website received 2500 registered members in July. And the number of registered members in August decreased to 2245. What was t

quester [9]

Number of registrations a website received during July = 2500

Number of registrations a website received during August = 2245

Number by which the registrations decreased :

$=\tt 2500 - 2245$

$=\tt 255$

Thus, the registrations decreased by 255.

Let x be the perrcentage of decrease.

Which means :

$=\tt 255 = \frac{x}{100} \: of \: 2500$

$= \tt255 = \frac{x \times 2500}{100}$

$=\tt 255 = \frac{2500x}{100}$

$= \tt255 \times 100 = 2500x$

$= \tt25500 = 2500x$

$=\tt \frac{25000}{2500} = x$

$\color{plum} =\tt \bold{10.2\%}$

▪︎Thus, the percentage of decrease in the number of registered members = 10.2%

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2 years ago

Carter is selling his bike. His research shows that the bike has a current value of $90, which is 45% of the amount Carter paid

GaryK [48]

Carter paid $200 for the bike.

Step-by-step explanation:

Given,

Current value of bike = $90

This represent 45% of the original amount Carter paid for bike.

Let,

x represent the original amount of bike.

45% of x = 90

$\frac{45}{100}x=90\\\\0.45x=90$

Dividing both sides by 0.45

$\frac{0.45x}{0.45}=\frac{90}{0.45}\\x=200$

Carter paid $200 for the bike.

Keywords: percentage, division

Learn more about division at:

#LearnwithBrainly

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3 years ago

What is the product of -5 and 8?<br> -40<br> О -13<br> 013<br> О 40

Alexeev081 [22]

Answer:

Step-by-step explanation:

this would be 13

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2 years ago

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Is the relationship between the amount earned and number of days worked proportional?

Aliun [14]

Answer:

Yes

Step-by-step explanation:

x is the number of days worked

y is the total amount earned

m is the amount earned per day

so y = mx

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2 years ago