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lapo4ka [179]
3 years ago
12

Which of the following cannot be used as a reason in a proof?

Mathematics
1 answer:
SpyIntel [72]3 years ago
5 0
The answer would be A because the theorem is not proven as true and reliable <span />
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True or False? A circle could be circumscribed about the quadrilateral below.
KengaRu [80]
The answer is false your welcome
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3 years ago
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PLEASE HELPPPPP
dsp73

Answer:

see explanation

Step-by-step explanation:

the equation of parabola in vertex form is

y = a(x - h)² + k

where (h, k ) are the coordinates of the vertex and a is a multiplier.

here (h, k ) = (3, 1 ) , then

y = a(x - 3)² + 1

to find a substitute any other point on the graph into the equation.

using (0, 7 )

7 = a(0 - 3)² + 1 ( subtract 1 from both sides )

6 = a(- 3)² = 9a ( divide both sides by 9 )

\frac{6}{9} = \frac{2}{3} = a

y = \frac{2}{3} (x - 3)² + 1 ← in vertex form

------------------------------------------------------

the equation of a parabola in factored form is

y = a(x - a)(x - b)

where a, b are the zeros and a is a multiplier

here zeros are - 1 and 3 , the factors are

(x - (- 1) ) and (x - 3), that is (x + 1) and (x - 3)

y = a(x + 1)(x - 3)

to find a substitute any other point that lies on the graph into the equation.

using (0, - 3 )

- 3 = a(0 + 1)(0 - 3) = a(1)(- 3) = - 3a ( divide both sides by - 3 )

1 = a

y = (x + 1)(x - 3) ← in factored form

3 0
2 years ago
Solve: 6 yd. 9 ft 4 in. × 2
Kazeer [188]
Okay so multiply everything by 2 6yrds×2=12yrds. 9ft×2=18ft. 4in×2=8in. So the answer is: 12yrds 18ft 8in
4 0
3 years ago
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How do i solve31.6-1.9<br><img src="https://tex.z-dn.net/?f=31.6%20-%201.9" id="TexFormula1" title="31.6 - 1.9" alt="31.6 - 1.9"
seraphim [82]
Subtract normally as if 32.6 is 316 and 1.9 is 19. Then you move the decimal point two places to the left of the answer

the answer is 29.7
6 0
3 years ago
PLEASE HELP I WILL GIVE BRAINLELEST
frosja888 [35]

Answer:

x > 2

Step-by-step explanation:

First simplify the bracket....to give you...x + 2...then

; 4x + x + 2 > 12....

; 5x + 2 > 12

; 5x > 12 - 2.....then gives you...5x > 10...then divide both sides by 5

then gives you....; x > 2

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3 years ago
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