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Karo-lina-s [1.5K]
3 years ago
14

What are the answers 2-10

Mathematics
1 answer:
Eva8 [605]3 years ago
7 0
For #2 
just times the -2/3h by everything in the parenthesis. 
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Write a quadratic equation to represent the circle graphed on the right
Ivahew [28]

Answer:

<h2>The standard form: x² + (y + 1)² = 25</h2><h2>The general form: x² + y² + 2y - 24 = 0</h2>

Step-by-step explanation:

The equation of a circle:

(x-h)^2+(y-k)^2=r^2

(h, k) - center

r - radius

We have the center (0, -1) and the radius r = 5   <em>(look at the picture)</em>.

Substitute:

(x-0)^2+(y-(-1))^2=5^2\\\\x^2+(y+1)^2=25

<em>use (a + b)² = a² + 2ab + b²</em>

x^2+y^2+2y+1=25             <em>subtract 25 from both sides</em>

x^2+y^2+2y-24=0

5 0
4 years ago
Polygon ABCD, shown in the figure, is dilated by a scale factor of 8 with the origin as the center of dilation, resulting in the
saveliy_v [14]
C = (5,4)

D = (4,2)

Dilation with factor 8 => for the same x, y increase by a factor of 8

=> C' = (5, 8*4) = (5, 32)

=> D' = (4, 8*2) = (4, 16)

slope of C'D' = [32 - 16] / [5 -4 ] =16

You can also see that the slope of CD = [4 - 2] / [5 - 4] = 2

Then, the new slope is 8 times the old slope, this is it was multiplied by the same factor, 8. 

Answer: 16
7 0
3 years ago
Read 2 more answers
For f(x)=3x+1 and g(x)=x^2-6 find (fog)(4)
m_a_m_a [10]
F(x) = 3x+1
G(x) = X^2 - 6
F(G(x)) = F(X^2 - 6) = 3(X^2 - 6) + 1 = 3X^2 - 18 + 1 = 3X^2 -17
F(G(x)) = 3X^2 - 17
6 0
3 years ago
Use a math drawing to explain why LaTeX: \frac{4}{5}=\frac{4\:\times3}{5\:\times3}\:=\frac{12}{15}4 5 = 4 × 3 5 × 3 = 12 15 .
Arte-miy333 [17]

Answer:

....................

6 0
3 years ago
Plz help I dont know this answer will mark brainliest if correct answer only.
Valentin [98]

Answer:

Y=1x+3

Hopefully it helps :)

3 0
3 years ago
Read 2 more answers
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