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Alex Ar [27]
2 years ago
8

A rectangle has an area of 31.2 square millimeters and a heigt of 5.2 millimeters. What is the length of the base ​

Mathematics
1 answer:
Schach [20]2 years ago
6 0

Answer:

6 millimeters

Step-by-step explanation:

The formula for a rectangle is length * height = area.

Since we know the area and height, we can plug it in to the formula:

length * 5.2 = 31.2

So the length is just dividing 5.2 in 31.2 which gives 6 millimeters.  

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Write the following proportion:<br> 8 is to 64 as 2 is to X
Andrews [41]
1 way
\frac{8}{64}  =  \frac{2}{x}  \\  \\ &#10; \frac{8:4}{64:4}  =  \frac{2}{x}  \\  \\ &#10; \frac{2}{16}  =  \frac{2}{x}    ⇔  x = 16
......................................................
2.way
\frac{8}{64}  =  \frac{2}{x}
<span>We multiply the cross
</span>
8x = 2 * 64&#10;8x = 128&#10;x = 16
3 0
2 years ago
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Help, show work please​
Talja [164]

Answer:

the model has a ratio of 2:5 to the real tower

Step-by-step explanation:

8 0
2 years ago
A flagpole casts a shadow that is 12 ft long. A 6-ft tall man casts a shadow
Vikentia [17]

Answer:

9ft

Step-by-step explanation:

Since the triangles are similar, the corresponding sides are proportional.

Let the height of the flag pole be x feet.

\frac{x}{6}  =  \frac{12}{8}

We multiply both sides by 6 to get:

x =  \frac{12}{8}  \times 6

We reduce the fraction to get:

x =  \frac{3}{2}  \times 6

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4 0
2 years ago
A circle has radius 50 cm. Which of these is closest to its area?
Angelina_Jolie [31]

Answer:

7854 square centimeters

Step-by-step explanation:

The area of a circle is given by

A = pi r^2

A = pi ( 50)^2

A = 2500 pi

Let pi be approximated by 3.14

A = 2500 * 3.14

A =7850 cm^2

8 0
3 years ago
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If 12000 people voted in the election,how many people were from 50 to 64 years old
inessss [21]
Assuming that this question is based on a graph, and that this graph tells us that people 50-64 years make up 35% of all the voters, then it would mean that
35%of 12000=\frac{35}{100} *12000=35*120=4200

So, assuming that people at age 50-64 make up 35% of the voters, then 4200 of them voted.
7 0
3 years ago
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