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Andru [333]
3 years ago
11

Solve: 3 1/3 + (-2 1/4) + 1 5/6 =

Mathematics
1 answer:
Stella [2.4K]3 years ago
3 0

Answer:

91/12

Step-by-step explanation:

3 1/3 + (-2 1/4) + 1 5/6 = 91/12 or 7.58

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The line of symmetry of the parabola whose equation is y = ax^2 -4x + 3 is
alex41 [277]

Answer:

B. -1

Step-by-step explanation:

If we have a parabola whose equation is:

y=ax^{2} +bx+c

The line of symmetry is calculated as:

x=\frac{-b}{2a}

Now, we have the equation y=ax^{2}-4x+3 and the line of symmetry is x=-2

Where:

b=-4\\c=3

So, we can replace b by -4 and x by -2 and solve for a using the following equation as:

x=\frac{-b}{2a}\\-2=\frac{-(-4)}{2a}\\-2(2)a=4\\-4a=4\\a=-1

It means that the equation of the parabola is equal to:

y=-1x^{2}-4x+3

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3 years ago
A is C's son. C and A are sisters. Z is Q's mother. P is son of Z. Then
Serggg [28]
C) q is a grandfather
7 0
3 years ago
Plz help me answer this question
olya-2409 [2.1K]
A. 5 invitations
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8 0
3 years ago
Find the geometric mean of 275 and 11 275/x=x/11 x^2= 3025 x=sq rt 3025 now I'm not sure what to do.
Bogdan [553]
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
you got it 
<span>except keep going to get </span>
<span>x = ±√3025 </span>
<span>x = ± 55 </span>


<span>check: </span>
<span>275 , 55, 11 </span>
<span>is 55/275 = 11/55 ? YES </span>
<span>is -55/275 = 11/=55 ? YES</span>

6 0
3 years ago
What is the nth term rule of the linear sequence below 1,7,13,19,25
zysi [14]
First you see how it goes up 6 each time this is the start of your nth term rule
6n
Then -6 from the first term to get the ‘0th term’ 1-6=-5
So nth term rule is
6n-5
hope this helps
4 0
3 years ago
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