Mariah builds a tabletop using square tiles there are 12 rows of tiles and 30 tiles in each row. How many tiles doea mariah use?

2 answers:

6 0

12 x 30 = 360 mariah has to use 360 tiles to build it because if she builds a table top with 12 rows of tiles and 30 in each rows you have to multiply 12 x 30
= 360 to get the answer

sashaice [31]3 years ago

4 0

Answer:

360 tiles.

Step-by-step explanation:

Mariah builds a table top using square tiles.

There are 12 rows of tiles and 30 tiles in each row.

You have to add 30 tiles 12 times to find the number of total tiles.

or you just multiply 30 by 12 to get the number.

The total number of tiles Mariah used = 30 × 12 = 360 tiles.

Mariah used 360 tiles to build a tabletop.

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4 0

3 years ago

Mayerlin has a mask collection of 400 masks. She keeps some in a display case and the rest on the wall. She keeps 24% of her mas

mariarad [96]

The number of masks that Mayerlin kept on her wall given the information in the question is 304.

<h3>What are percentages?</h3>

Percentage is the fraction of an amount that is usually expressed as a number out of hundred. Percentages are a measure of frequency.

<h3>How many masks are on the wall?</h3>

Percentage of the masks on the wall = 100 - 24 = 76%

Number of the masks on the wall = 76% x 400 = 304

To learn more about percentages, please check: brainly.com/question/25764815

4 0

2 years ago

In 1998 there were 1509 daily newspapers in the country. By 2003, there were only 1454 daily newspapers.

natta225 [31]

Answer:

<em>The number of daily newspapers in 2000 is estimated in 1487</em>

Step-by-step explanation:

<u>Modeling Functions </u>

Real-world situations are often modeled with mathematic functions. Functions allow making predictions and analysis to better understand and manage those situations

a. In our example, we know that in 1998 there were 1509 daily newspapers in the country. It gives us a starting point (0,1509), where the first coordinate is the years after 1998 and the second is the number of daily newspapers. The second point comes from the next data: by 2003 (5 years after 1998), there were 1454 daily newspapers. The new point is (5,1454).

b. Knowing the relationship between years after 1998 and the numbers of daily newspapers is linear, we can construct the function by using both points. The equation of a line, given the points (a,b) and (c,d) is

$\displaystyle y-b=\frac{d-b}{c-a}(x-a)$