2 years ago

Help me please will brainlist

Mathematics

1 answer:

Thepotemich [5.8K]2 years ago

8 0

Answer:B

Step-by-step explanation:

18 is greater than >16

18> 8-8(-1)

18>8+8

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denpristay [2]

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2 years ago

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riadik2000 [5.3K]

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2 years ago

Janes jogging speed is 5 kilometers per hour. What is her speed in meters per second?

bagirrra123 [75]

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3 years ago

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Find the x-intercepts of the parabola with vertex (1,-108) and y-intercept (0,-105). Write your answer in this form: (X1,y1), (x

Stolb23 [73]

Answer:

(7, 0) and (-5, 0)

Step-by-step explanation:

<u>Vertex form</u>

$y=a(x-h)^2+k$

(where (h, k) is the vertex)

Given:

vertex = (1, -108)

$\implies y=a(x-1)^2-108$

Given:

y-intercept = (0, -105)

$\implies a(0-1)^2-108=-105$

$\implies a(-1)^2=-105+108$

$\implies a=3$

Therefore:

$\implies y=3(x-1)^2-108$

The x-intercepts are when y = 0

$\implies 3(x-1)^2-108=0$

$\implies 3(x-1)^2=108$

$\implies (x-1)^2=36$

$\implies x-1=\pm \sqrt{36}$

$\implies x=1\pm 6$

$\implies x=7, x=-5$

Therefore, the x-intercepts are (7, 0) and (-5, 0)

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2 years ago

Why is 4 and 44 not proportional

Oksanka [162]

Because 44 is a bigger number than 4 it is 11 times bigger so the difference is larger than a proportional number

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2 years ago