3 years ago

Select the three ratios that describe the model.

Mathematics

2 answers:

Andrews [41]3 years ago

7 0

Answer:

The ratio of pencils to pens is 5 to 3

For every 3 pens, there are 5 pencils.

The ratio of pencils to pens is 5 : 3

.Step-by-step explanation:

gladu [14]3 years ago

4 0

Answer:

for every three pens there is five pencils

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The pizza has an area of 78.5 in². What is the minimum width of a placemat that can be placed underneath it so that the pizza do

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Answer:

The minimum width of the placemat is 10 inches.

Step-by-step explanation:

Let suppose that placemat has a square form, whose width must be at least equal to the diameter of the pizza, so that pizza does not touch the table. Hence, the following relationship is obtained:

$w = D$

Where:

$w$ - Width of the placemat, measured in inches.

$D$ - Diameter of pizza, measured in inches.

The area of the pizza, measured in square inches, is determined by this formula:

$A = \frac{\pi}{4} \cdot D^{2}$

The diameter is cleared afterwards:

$D = \sqrt{\frac{4\cdot A}{\pi} }$

If $A = 78.5\,in^{2}$ and $\pi = 3.14$ , then:

$D = \sqrt{\frac{4\cdot (78.5\,in^{2})}{3.14} }$

$D = 10\,in$

The minimum width of the placemat is 10 inches.

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600,000 live in Boston

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Of all the students enrolled at Anderson High School, 9%, percent are in the band. The band has 180 members.How many students ar

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