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lesantik [10]
3 years ago
9

How to solve this (complex fraction)

Mathematics
2 answers:
Leviafan [203]3 years ago
7 0
1/4+5/4=1.5
1.5 divided by 4 = 0.5625
skad [1K]3 years ago
4 0
\frac{\frac{1}{4}+\frac{5}{4}}{4}=\frac{\frac{6}{4}}{4}=\frac{\not6^3}{4}*\frac{1}{\not4^2}=\frac{3}{8}=0.375
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75% cus u divide the denominator by the numerator is 5 and 8
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2 years ago
Calculate (A⃗ ×B⃗ )⋅C⃗ for the three vectors A⃗ with magnitude A = 5.08 and angle θA = 25.6 ∘ measured in the sense from the +x
alexgriva [62]

Answer:

(A⃗ ×B⃗ )⋅C⃗ = - 76.415

Step-by-step explanation:

First we need to calculate (A⃗ ×B⃗ ) :

(A⃗ ×B⃗ ) = A.B.sin (α).n

Where A is the magnitude of A⃗

Where B is the magnitude of B⃗

Where α is the angle between A⃗ and B⃗ = 63.9 - 25.6 = 38.3

Finally n is the vector orthogonal to A⃗ and B⃗

n magnitude is 1 and his direction is given by the right hand-rule

so n = ( 0 , 0 , 1 )

(A⃗ ×B⃗ ) = A.B.sin (α).n = 5.08 . 3.94 . sin (38.3) . (0 , 0 , 1 ) = (0,0,12.4)

C⃗ can be written as C.(0,0,-1) because of his +z - direction

C.(0,0,-1) = 6.16.(0,0,-1) = (0,0,-6.16)

(A⃗ ×B⃗ )⋅C⃗ = (0,0,12.4).(0,0,-6.16) = -76.41480787 = -76.415

8 0
3 years ago
He art teacher has 1 gallon of paint, which is enough for \frac{2}{3} of the class to complete a project.
enyata [817]

Answer:

1 and 1/2

Step-by-step explanation:

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Natalija [7]

We know that the area is 20.

Since 20 is a small number: lets list out possible combinations of lengths and widths.

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L = 7 + 3w

lets see which on makes sense.

L = 7 + 3w

20 = w7 + 3w^2

3w^2 + 7w -20 = 0

(3w - 10)(w - 2)

w can equal 10/3 or 2.

So the dimensions: are Width = 2 Length = 10

8 0
2 years ago
I NEED ANSWER ASAP PLEASE I NEED ANSWER NOW ITS DUE IN 20 MINS
Lapatulllka [165]
First : parallel lines
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2 years ago
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