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Nina [5.8K]
4 years ago
12

How many dots are in the next pattern? number of dots =

Mathematics
1 answer:
AURORKA [14]4 years ago
7 0

Answer:

you need to give more info

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What is the answer to this and why?
Anna007 [38]

Answer:

Step-by-step explanation

I get the same answer you do, but I'm not at all certain I'm correct. I would have done it just as you did letting each y value define the new x value and then putting the - on the left in at the very end.

f(1) = 3

f(3) = -1

f(-1) = 7

But there is a minus in front of the left most f. That would make it - 7

3 0
4 years ago
Find the vertices and foci of the hyperbola with equation (x-5)^2/81 -(y-1)^2/144 = 1
vesna_86 [32]
Given the equation of an hyperbola in the form:
\frac{(x-a)^2}{b^2}- \frac{(y-c)^2}{d^2}=1
Then the focus of the hyperbola is (\pm\sqrt {b^2+d^2},0)
Compute like this:
\sqrt{81+144}=15
So the two focus points are (\pm15,0)
The vertices are given by the formula: (\pm a,0)
We deduce the two vertices of the given hyperbola: (\pm9,0)
since \sqrt{81}=9
4 0
3 years ago
Read 2 more answers
What is the value of p?
asambeis [7]

Answer:94°

Step-by-step explanation:

The sum of the interior angles of the polygon: 180°(n-2)

180°(5-2)=540°

The sum of the interior angles of the pentagon is 540°

So:

P+Q+R+S+T=540°

(4x+2)°+132°+(4x-10)°+(5x-11)°+128°=540°

4x+2+4x-10+5x-11+260=540

13x=299

x=23°

P=4x+2°=4×23°+2°=94°

7 0
3 years ago
I need this ASAP! <br> Solve:
mina [271]
Ok the answer would be x=11
7 0
3 years ago
Y = 2x + 1<br> y = -2x + 1<br> y = -2x - 0.5<br> y = 2x - 0.5
Eddi Din [679]

have you seen how he answers questions? doesn't deserve to have people answer his

Step-by-step explanation:

7 0
3 years ago
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