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scZoUnD [109]
2 years ago
7

What is the answer to 2/5-3/16

Mathematics
2 answers:
Sladkaya [172]2 years ago
6 0

Answer:

17/80 is the answer:)

Step-by-step explanation:

Hope this helps!

Sauron [17]2 years ago
3 0

Answer:

17/80

Step-by-step explanation:

maths and subtraction and gcf and lcm and whatnot

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write a system of linear equations that has only one solution. solve the system of equations in two ways.
Iteru [2.4K]
X + 5y = 1 . . . . (1)
8x - 2y = 3 . . . .(2)
Solution 1.
From (1), x = 1 - 5y
substituting for x in (2), we have:
8(1 - 5y) - 2y = 3
8 - 40y - 2y = 3
8 - 42y = 3
42y = 5
y = 5/42
x = 1 - 5(5/42) = 1 - 25/42 = 17/42.

Solution 2.
Multiply (1) by 8, to get:
8x + 40y = 8 . . . . . (3)
(3) - (2) = 40y - (-2y) = 8 - 3
42y = 5
y = 5/42
substitute for y into (3), to get:
8x + 40(5/42) = 8
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8x = 8 - 100/21 = 68/21
x = (68/21)/8 = 17/42
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3 years ago
The mathematical 9 € t means
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It means <span>9 is not an element of T. hope it helped</span>
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3 years ago
18. One number is 3 less than a second number. Twice the second number is 12 more than 3 times the first.
bekas [8.4K]

Answer: The numbers are -3 and - 6

Step-by-step explanation:

Let the first number be x and the second number be y , then from the first statement we have

x + 3 = y  ............. equation 1

From the second statement

2y  = 3x + 12 ............ equation 2

solving the resulting simultaneous equation by substitution method ,we have:

substitute x - 3= y  into equation 2 , we have

2( x + 3) = 3x + 12

2x + 6 = 3x +  12

2x - 3x = 6

x = -6

substitute x = - 6 into equation 1 , that is

- 6 + 3 = y

Therefore ,

y = -3

2y = 3y + 3

Check:

x + 3 = y , implies

-6 + 3 = -3 = y

Also 2y = 3x + 12 , implies

2(-3) = -6

3(-6) + 12 = -6

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3 years ago
What is 3(x +3) -10 • 5
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The answers is =3x−41
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3 years ago
283,573 to the nearest ten thousand
salantis [7]

283,573 rounded to the nearest ten thousand is 280,000
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