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Travka [436]
3 years ago
7

70% of what number is 42?

Mathematics
2 answers:
Fed [463]3 years ago
8 0
The answer is 60 i think
Rudik [331]3 years ago
7 0
Your answer should be 60
HOPE THIS HELPS
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In a parallelogram a diagonal of the length 20 cm is perpendicular to one of the sides. Find the longer side of parallelogram if
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All the sides are 20 cm resulting in the perimeter being 80
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Anlatarak cevaplarsanız sevinirim
IgorLugansk [536]

Answer:

A)26

Step-by-step explanation:

12 nin dogal sayi bolenleri 1,2,3,4,6 ve 12 dir yani ucgen 6 dir

20 nin en kucuk kati 20 yani kendisidir(20 kendisinin 1 katidir)

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Can I get help with this math question plz thx
lidiya [134]

Answer:

1/5.

Step-by-step explanation:

There are 5 sections. 2 green 1 yellow, and one red. There is only one yellow and red, so to land on yellow red the answer would be 1/5, if you wanted to land on a green, therefore the answer would be 2/5. :>

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Two identical masses are moving down a slope one masses traveling twice as fast as the other mass how does the kinetic energy of
GaryK [48]

Answer:

One mass's kinetic energy is 4 times the other.

Step-by-step explanation:

The formula for kinetic energy is KE=\frac{1}{2}mv^2

Where

KE is the kinetic energy

m is the mass

v is the velocity

  • Now, let mass of the first be m (second is identical so mass of 2nd is m as well)
  • Let velocity of the first one be v. Since 2nd one is travelling twice as fast, its velocity will be 2v

<u>KE of 1st mass is:</u>

\frac{1}{2}mv^2

<u />

<u>KE of 2nd mass is:</u>

\frac{1}{2}m(2v)^2\\=\frac{1}{2}m(4v^2)\\=\frac{1}{2}mv^2 * 4

Hence, the kinetic energy of the 2nd mass is 4 times the first.

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3 years ago
What can you divide a2b5 by to get a quotient of 1?
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9514 1404 393

Answer:

  a^2b^5

Step-by-step explanation:

Anything divided by itself is 1.

That is, anything multiplied by its reciprocal is 1. This value (the reciprocal of the expression) is called the "multiplicative inverse." Its value is that the product of an expression and its multiplicative inverse is 1, the multiplicative identity element. (Anything times 1 is itself.)

So, to get 1 as a product, multiply by 1/(a^2b^5), which is to say, divide by a^2b^5 to get 1 as a quotient.

8 0
3 years ago
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