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n200080 [17]
3 years ago
8

A) What is the name of the part of the circle shaded green?

Mathematics
1 answer:
777dan777 [17]3 years ago
7 0

Answer:

a) sector, b) segment, c) arc, d) circumference

Step-by-step explanation:

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Which expression equivalent to 5^4•(5^2)^3 PLEASEEEE IM DUMB​
grin007 [14]

Answer:

Simplify expression=9765625

simplify form is=9765625

standard form= -9765625

Step-by-step explanation:just know from my math app mathwa.y

6 0
3 years ago
What is 4x+4y=6 -x-3y=3
Mashcka [7]
I hope this helps you

3 0
3 years ago
find an equation in the form y=ax^2+bx+c for the parabola passing through the points. (2,28),(4,116),(-3,88)
IgorC [24]
<h3>Answer:</h3>

y = 8x² -4x +4

<h3>Explanation:</h3>

I find it quick and easy to let a graphing calculator do quadratic regression on the given points. It gives the coefficients of the equation directly. (See attached.)

_____

If you want to do this "by hand," you can substitute each of the x and y value pairs into the equation to get three linear equations in a, b, and c. These are generally easy to solve, as the "c" variable can be eliminated right away.

<em>For x = 2</em>

... 28 = a·2² +b·2 +c = 4a +2b +c

<em>For x = 4</em>

... 116 = a·4² +4b +c = 16a +4b +c

<em>For x = -3</em>

... 88 = a·(-3)² +b·(-3) +c = 9a -3b +c

Subtracting the first and third equations from the second, we have ...

... (16a +4b +c) -(4a +2b +c) = (116) -(28) ⇒ 12a +2b = 88

... (16a +4b +c) -(9a -3b +c) = (116) -(88) ⇒ 7a +7b = 28

Dividing the first of these reduced equations by 2, and the second by 7, we have ...

  • 6a +b = 44
  • a +b = 4

Subtracting the second of these from the first gives ...

... (6a +b) -(a +b) = (44) -(4) ⇒ 5a = 40

From which we find

... a = 8

... b = 4 -a = 4 -8 = -4

We choose the first of the original equations to find c:

... c = 28 -4a -2b = 28 -4·8 -2(-4)

... = 28 -32 +8 = 4

With (a, b, c) = (8, -4, 4), the equation of the parabola is ...

... y = 8x² -4x +4

5 0
3 years ago
Shannon sells handmade wallets for $12 each.
White raven [17]

Answer:

<h2>N=11</h2>

<h2>Step-by-step explanation:</h2><h2>So you do 396 divided by 12=33</h2><h2>she sold 3 more wallets so then u would do 33 divided by 3 which would equal = <u>11</u></h2>

7 0
3 years ago
If x= -4, find the value of x²-5+6.​
lbvjy [14]

Answer:

42 is your answer if there is -5x

Step-by-step explanation:

when x=-4

x²-5x+6=(-4)²-5×-4+6=16+20+6=42

3 0
2 years ago
Read 2 more answers
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