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slamgirl [31]
3 years ago
5

Evaluate -7 1/3 - (-2/5)=​

Mathematics
2 answers:
Tems11 [23]3 years ago
8 0

Answer:

<em><u>-7 1/3 - (-2/5)</u></em>

Step-by-step explanation:

-22/3 + 2/5

(-110+6)/15

-104/15

-6. 933

ans is -6. 933

NemiM [27]3 years ago
7 0

Answer: -104/5

Step-by-step explanation:

-22/3 + 2/5 = -104/15

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Determine the number of real solutions for each system of equations.
Lisa [10]

Answer:

1+1=2

Step-by-step explanation:

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4 years ago
If a right triangle has a hypotenuse of length 100 units and one leg of length 60 units, what is the length of the other leg?
bixtya [17]

For this, we will be using the pythagorean theorem, which is leg^2+leg^2=hypotenuse^2 . Since we have the hypotenuse and one of the legs, we can solve for the other leg. Our equation will look like this: x^2+60^2=100^2

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Next, subtract 3600 on both sides: x^2=6400

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3 years ago
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Please help me with this problem
Ksenya-84 [330]
Area of a kite :
\frac{1}{2}  \times diagonal \times diagonal
So
\frac{1}{2}  \times (8.5 + 8.5) \times (4.93 + 10.2) \\  = 128.605
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3 years ago
I suck at fractions, can someone help me please
USPshnik [31]

4:11 6/39

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4 years ago
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The length of a rectangle is 33 meters less than twice the width. if the area of the rectangle is 464464 square​ meters, find th
vfiekz [6]
Good night from Canada!
Let W be the width in meters
Let L be the length in meters. 

L*W=464464
L=2W-33
(2W-33)*W=464464
2W^2-33W=464464
2W^2-33W-464464=0
Use the quadratic formula to solve for the zeros 
x=-b√b²-4ac/2a
Sub in b=-33 a=2 and c=-464464 and solve using position and negative values for the √b.
We get:
w=490.225 and w=473.725
Through simple algebra we can figure out that x=490.225 is more accurate when using it with the other equations and solving for the given area. 
L=2*490.225-33
L=947.45
947.45*490.225=464463.7

Therefore the length is 947.45m and the width is 490.225m.

Hope this helps!

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3 years ago
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