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3 years ago

The product of -2 and a number is at most 10 find the possible numbers

Mathematics

2 answers:

vaieri [72.5K]3 years ago

7 0

Answer:

-2 * x < 10

The possible numbers would be less than or equal to 10, so basically any numbers 10 and under.

MA_775_DIABLO [31]3 years ago

5 0

The number 12 would work because subtracting 2 from 12 is ten and that's basically like adding 12 to -2 :)

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Identify is this is percent increase or percent decrease, then calculate percentage

vlabodo [156]

Last year the chess club had 30 members. This year the club has 24 members.

Last year, the chess club had 30 members. This year, the club has 24 members. Since this year had less than last year ( 30 > 24), the percent will be decreasing.

To find the percent decrease, you have to use the following formula.

$\frac{Difference}{Original} \times 100$

Difference refers to the difference between the two numbers, 24 and 30. The difference between 24 and 30 is 6. Original refers to the original number, which is last year's amount of members in the chess group. Therefore, original = 30.

Substitute the numbers into the formula.

$\frac{Difference}{Original} =\frac{6}{30} =0.2$

To convert the decimal to a fraction, multiply the decimal by 100.

$0.2 \times 100 = 20 \%$

The answer is the number of chess members decreased by 20%.

____

Since I started off by identifying whether it was decreasing or increasing, I did the work a bit differently. When finding the difference, you would usually subtract 30 from 24, which results in -6. Above I used 6, but if you used -6, you would end up with a result of -20%, which means it decreased by 20%. They bot end up with the same result, but you don't always have to first identify whether it's decreasing or increasing.

____

3 0

3 years ago

four friends equally shared the cost of supplies for a picnic. the supplies cost $12.40. how much did each pay?

Airida [17]

Divide by 4
they each payed $3.10

8 0

3 years ago

Read 2 more answers

A newly launched clothing line is rapidly increasing in popularity. Every month 20% more items of clothing are sold. If 70,800 i

prohojiy [21]

Answer:

212,400 items were sold in 10 months.

Step-by-step explanation:

Given:

Items sold this month = 70,800

Percent Increase in every month = 20%

We need to find number of items sold in coming 10 months.

Solution:

First we will find number of items increase in each month.

number of items increase in each month can be calculated by Percent Increase in every month multiplied by Items sold this month and the divided by 100.

number of items increase in each month = $\frac{20}{100} \times 70800 = 14,160$

Now we will find number of item sold in 10 months.

number of item sold in 10 months is equal to sum of Items sold this month and number of items increase in each month multiplied by 10.

framing in equation form we get;

number of item sold in 10 months = $70800+10\times 14160 = 212,400$

Hence 212,400 items were sold in 10 months.

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3 years ago

Shana has three black pens, two red pens, and four blue pens in her book bag. Shana randomly chooses a pen from her book bag wit

liubo4ka [24]

6/9 is the answer.

2+3+4=9 (denominator)

4+2=6 (numerator)

3 0

2 years ago

Aveeno and her boyfriend you know who wrote the bus six times in a month it cost $40 for the two of them each time if Avena alwa

MaRussiya [10]

Answer: The cost for the month is $240.

Step-by-step explanation:

Since we have given that

Cost for the two i.e Aveeno and her boyfriend = $40

They were charged 6 times in a month.

As we know that times stands for multiplication.

So, we need to find the cost for the month, where we multiply 6 with $40 to get the amount for the whole month.

So, the amount for the month would be

$40\times 6=\$240$

Hence, the cost for the month is $240.

4 0

2 years ago