2 years ago

1

Mathematics

1 answer:

tatiyna2 years ago

8 0

Answer:

its most likley graph 4

Step-by-step explanation:

hope this helps and if its wrong im very sorry

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Solve the Quadratic Equation By Completing the Square b^2-15b-54=0

vladimir1956 [14]

$b^{2}-15b-54=0. \newline
b^{2}-15b=54. \newline
b^{2}-15b+(\frac{15}{2})^{2}=54+(\frac{15}{2})^{2}. \newline
(b-\frac{15}{2})^{2}=\frac{441}{4}. \newline
b-\frac{15}{2}=\pm\frac{21}{2}. \newline
b=\pm\frac{21}{2}+\frac{15}{2}. \newline
b_1 = -3, b_2 = 18.$

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1. f(x) = 3x – 2; f(4)??

netineya [11]

Answer:

the answer is 5

Step-by-step explanation:

f(4) = 3(4) -2

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3 years ago

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Need help with math. I will give brainliest!!!!!!

Mice21 [21]

Answer:

Step-by-step explanation:

Ok so first 2.4 will have to be changed to 24 which means we multiplied it by ten making it 24/10 since it is tan it is opposite side/ adjacent side so your one of your legs will be 24 and one will be 10. Now we just plug that into the Pythagorean Theorem to find the hypotenuse and we get 26. The area is 24b10/2=120 the area is 120.

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frez [133]

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