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Bess [88]
2 years ago
10

PLEASE HELP ASAP!!!! I WILL GIVE BRAINLIEST

Mathematics
1 answer:
Law Incorporation [45]2 years ago
4 0

Answer:

gl lol

I'm not American

not the same program

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90 3/7 was a demical
LenKa [72]
90.42857143 or
90.4 to nearest decimal
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the legs of a right triangle have lengths of 28 meters and 21 meters. the hypotenuse has a length of 5x meters. what is the valu
Hitman42 [59]
We have a right triangle with
a = one leg = 28
b = other leg = 21
c = hypotenuse = 5x

use the pythagorean theorem (a^2+b^2 = c^2) and solve for x

a^2+b^2 = c^2
28^2+21^2 = (5x)^2
784+441 = 25x^2
1225 = 25x^2
25x^2 = 1225
(25x^2)/25 = 1225/25
x^2 = 49
sqrt(x^2) = sqrt(49)
|x| = 7
x = 7 or x = -7

Since the hypotenuse has length 5x meters, this means
5x = 5*7 = 35
or
5x = 5(-7) = -35

Toss out the negative length as it makes no sense. 

The only value of x is x = 7

Therefore the final answer is x = 7
6 0
3 years ago
Find a number such that 20 less than twice the number is 50.
Inessa05 [86]
140 because 70 (the half) minus 20 is 50
7 0
2 years ago
20 customers are eating at a local resturan. of the 20 customers 4 have enough to pay cash, 16 have enough to pay card and 3 hav
hram777 [196]

Answer:

7/20

Step-by-step explanation:

There are 20 customers (the denominator) and 7 can pay cash (the numerator)

4 0
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