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ExtremeBDS [4]
3 years ago
11

Consider that the length of rectangle A is 21 cm and its width is 7 cm. Which rectangle is similar to rectangle A?

Mathematics
2 answers:
iris [78.8K]3 years ago
6 0

Answer:

A) A rectangle with a length of 9 cm and a width of 3 cm.

I just took the test I promise it'll be correct.

Step-by-step explanation:

AVprozaik [17]3 years ago
3 0

Answer:

Any rectangle with a ratio of 3:1

21/7=3/1, which option also equals 3/1?

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2+7347 and much is it
Lana71 [14]
<span>7349 that's the answer and really? That was easy</span>
4 0
3 years ago
Read 2 more answers
How do I Factor 42p⁴+9p³q²-18p²q²​
umka2103 [35]

Answer:

42p^4 + 9p^3q^2 -18p^2q^2 = p^2 (42p^2 + 9pq^2 - 18q^2)

Step-by-step explanation:

To answer this, we simply look for that term that is common to all

Looking at the given expression, we can see that the term we are looking for is p^2

Thus, we have that;

42p^4 + 9p^3q^2 -18p^2q^2 = p^2 (42p^2 + 9pq^2 - 18q^2)

When we multiply the term outside the bracket with each of the terms inside, we get back the original term

8 0
3 years ago
What is the difference in the surface area of two cubes, one with edge 15 and one with an edge of 12
Lilit [14]

Remark

A cube has six sides, all of them equal. The formula for 1 side is s^2. The formula for all six = 6s^2.


Step One

Find the surface area of the larger cube.

Area = 6 *s^2

s = 15

Area = 6 *15^2

Area = 6 * 225

Area = 1350


Step Two

Find the area of the smaller cube

Area = 6s^2

Area = 6 * 12^2

Area = 6 * 144

Area = 864


Step Three

Find the difference

Area1 - Area2 = difference

1350 - 864 = 486

The difference is area = 486 units^2 <<<<< Answer


There is a slightly shorter way. Take out the common factor of 6

Difference = 6 * (15^2 - 12^2)

Difference = 6 * (225 - 144)

Difference = 6 * (81)

Difference = 486

6 0
3 years ago
The blue dot is at what value on the number<br> line?<br> ?<br> -16<br> -10
Marina CMI [18]

Answer: You need to show the number line in order to get an answer.

6 0
3 years ago
Multiples of 6 and 14
Licemer1 [7]

Answer:

Step-by-step explanation:

6: 6, 12, 18, 24, 30, 36, 42, 48, 54

14: 14, 28, 42, 56

the LCM (least common multiple) is 42.

7 0
3 years ago
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