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Vaselesa [24]
3 years ago
12

Help me with these fractions with whole numbers

Mathematics
1 answer:
telo118 [61]3 years ago
4 0
208 4/7 +201 3/4 =
 
1456 / 7  + 804/4  = 409
-------------------------------------------------------
20 1/6 - 15 3/5 =

 121 / 6 - 78/5 = 137 /30
 


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Simplify completely 4x^2-7x+3 / x^2 + 5x-6
krek1111 [17]

Answer:

D)   \frac{4x-3} {x+6}

Step-by-step explanation:

First we have to factorize and then cancel the like terms.

Given,

\frac{4x^2-7x+3} {x^{2}+5x-6}\\=\frac{4x^2-3x-4x+3} {x^{2}+6x-x-6}\\=\frac{x(4x-3)-1(4x-3)} {x(x+6)-1(x+6)}\\=\frac{(4x-3)(x-1)} {(x+6)(x-1)}

Now, we got the like term  (x-1).

Canceling this like term we get

\frac{(4x-3)(x-1)} {(x+6)(x-1)}=\frac{4x-3} {x+6}

4 0
3 years ago
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D (t)=16t□2+96t+112 where t represents time in seconds
Luda [366]
A.
the starting point is where t=0
d(0)=-16(0)^2+96(0)+112
D(0)=112
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b. max height is vertex
for
y=ax^2+bx+c
the x value of the vertex is -b/2a

so
D(t)=-16t^2+96t+112
t value of vertex is -96/(2*-16)=3
it reaches after 3 seconds

C. simpliy evaluate D(t) for t=3
D(3)=-16(3)^2+96(3)+112
D(3)=-16(9)+288+112
D(3)=-144+400
D(3)=256
max height is 256ft
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Step-by-step explanation:

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Zepler [3.9K]

Answer:Coming out like this the normal vectors are going to be parallel to one another. So it's easier for me to test to see whether the normal vectors are parallel.

Step-by-step explanation:

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