3 years ago

HELP URGENT WILL GIVE BRAINLIEST

Mathematics

1 answer:

Tju [1.3M]3 years ago

7 0

Answer:

A. parabola I believe that is the answer

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3 years ago

Find the area of a circle in terms of pi with a radius of 7.4 cm.

Anit [1.1K]

$A= \pi r^{2} =\\A=\pi (7.4)^{2}=\\A=\pi (54.76)=\\A=54.76\pi$

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3 years ago

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Please help me with 1,2,3,4,5 and show me the steps and the answers do not send me link please

lina2011 [118]

Answer:

I did the first one on paper

Step-by-step explanation:

i also sent one page of my personal notes on right triangle Pythagoerean thereom I hope this helps

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2 years ago

What is y=4x^2-9x+1 in vertex form

Anna11 [10]

Answer:

$y = 4 \left(x - \dfrac{9}{8} \right)^2 - \dfrac{65}{16}$

Step-by-step explanation:

$y = 4x^2 - 9x + 1$

You need to complete the square on the right side.

$y = (4x^2 - 9x) + 1$

$y = 4(x^2 - \dfrac{9}{4}x) + 1$

$y = 4 \left( x^2 - \dfrac{9}{4}x + \left( \dfrac{9}{8} \right)^2 \right) + 1 - 4\left( \dfrac{9}{8} \right)^2$

$y = 4 \left(x - \dfrac{9}{8} \right)^2 + 1 - 4 \left( \dfrac{81}{64} \right)$

$y = 4 \left(x - \dfrac{9}{8} \right)^2 + 1 - \dfrac{81}{16}$

$y = 4 \left(x - \dfrac{9}{8} \right)^2 + \dfrac{16}{16} - \dfrac{81}{16}$

$y = 4 \left(x - \dfrac{9}{8} \right)^2 - \dfrac{65}{16}$

3 0

3 years ago

Answer pleaseee not 120

hjlf

Answer:

x=82

Step-by-step explanation:

53+45=98

180-98=82

8 0

2 years ago