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Vsevolod [243]
3 years ago
15

Find the reciprocal of 7/12

Mathematics
2 answers:
Korolek [52]3 years ago
7 0

Answer:

12/7

Step-by-step explanation:

mote1985 [20]3 years ago
6 0
12/7 is the correct answer:)
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PLS HELP ME & EXPLAIN ANSWER <3
defon

Answer:

  e.  10√30

Step-by-step explanation:

In this right triangle geometry, all of the right triangles are similar. This means that the ratio of long side to hypotenuse is the same for all triangles:

  x/(10+50) = 50/x

Multiplying by 60x, we have ...

  x^2 = 3000

  x = 10√30 . . . . . take the square root. Matches choice E.

_____

<em>Comment on estimating</em>

You're looking for x. Examining the figure, you see that x is the long side of the triangle with hypotenuse 10+50=60, so it will be shorter than that value. x is also the hypotenuse of the triangle with long side 50. So, x will be longer than 50.

The only answer choice with a value between 50 and 60 is choice E.

You don't even need to know how to find x. You only need to know that the hypotenuse is the longest side in a right triangle.

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4 years ago
Plzz help and give steps
LuckyWell [14K]

Answer:

D, because his ratw of change ia going up quicker then the othera. will you ease attempt to help me out on my most previous question? its for a test, and i have no idea what im doing.

5 0
3 years ago
Read 2 more answers
Olivia said her pencils is 14.0 cm long. how do you know she measured to the nearest millimetre?
erma4kov [3.2K]
Olivia measured to the nearest millimetre because the tenths place value is 0.
7 0
4 years ago
Find the sum of the arithmetic series<br> 3+8+13+..+438
irina [24]

Answer:

19404

Step-by-step explanation:

sum of arithmetic series is

Sn = n/2 (2a + (n-1)d)

or

Sn = n/2 (a + an)

a = 1st unit

an = last unit

d = difference

8-3 or 13-8 so d = 5

then first step is to find the value of n

an = a + (n-1)d

438 = 3 + (n-1)5

438 - 3 = 5n - 5

435 = 5n - 5

435 + 5 = 5n

440 = 5n

n = 440/5

n = 88

then we can find the sum

Sn = 88/2 (3 + 438)

S88 = 19404

7 0
3 years ago
How many expressions are equivalent to 3/4
Elanso [62]

Answer:

9/12 and 6/8

Step-by-step explanation:

3 0
3 years ago
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