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tresset_1 [31]
3 years ago
10

Whats the Axis of Symmetry? willing to give 15 points !!

Mathematics
1 answer:
nydimaria [60]3 years ago
4 0

The axis of symmetry of a parabola in the form

y=ax^2+bx+c

is a vertical line

x=k

where k is the x coordinate of the vertex of the parabola.

The x coordinate of the vertex of the parabola is given by

-\dfrac{b}{2a}

which in your case is

-\dfrac{-6}{2\cdot \frac{1}{4}}=\dfrac{6}{\frac{1}{2}}=6\cdot 2=12

So, the axis of symmetry is the line x=12.

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7
Sonja [21]

Answer:

<u>Volume</u><u>:</u> 1135.82 yd³

<u>Surface Area</u><u>:</u> 657.12 yd²

Step-by-step explanation:

V = whl

12.2 · 9.8 · 9.5

1135.82

A = 2(wl + hl + hw)

2 · (12.2 · 9.5 + 9.8 · 9.5 + 9.8 · 12.2)

657.12

3 0
3 years ago
What is the surface area of a cylinder whose radius is 3 inches and whose height is 10 inches? Round to the nearest tenth.
solmaris [256]
The answer is C. 244.9
8 0
3 years ago
Read 2 more answers
What’s twice the difference of a number and 8 is at least -20 using x as a variable into a inequality please help!!!
alexdok [17]
the answer is x-8=20
7 0
3 years ago
2 consecutive integers such that 7 times the smaller is less than 6 times the greater. What are the greatest such intergers
postnew [5]

Answer:

The numbers are

22 and 23  to solve a problem like this, we need to read and define as we go. Let me explain. So we know that there are two consecutive integers. They can be

x and x+1

. Since their consecutive, one has to be 1

number higher (or lower) than the other. Ok, so first we need "seven times the larger"( 7x+1)

Next, we need to "minus three times the smaller" 7(x+1)−3x

Is equal to " 957(x+1)−3x=95

Alright! There's the equation, now we just need to solve for  x! First we are going to get everything on one side and distribute the 7=7x+7−3x−95=4x−88

Pull out a

=4(x−22)Now that we have two terms, we can set them both equal to

0 and solve.4≠0

This can never be true, lets move to the next term (x−22)=0x=

22 That's it! So your two consecutive numbers are

22

7 0
2 years ago
The solution of the equation (x+3) squared=7 is
love history [14]

Answer:

( x+3 )² = 7

expand ( x+3 )² : x²+6x+9

x²+6x+9=7

x²+6x+2=0

use a scientific calculator casio mode setup click no 5 , then click 3 input the equation

a = 1

b = 6

c = 2

answer : x = -3+square root 7 or x = -3-square root 7

5 0
3 years ago
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