2 years ago

PLEASE HELP!!! I NEED THIS FAST!!

Mathematics

1 answer:

Maksim231197 [3]2 years ago

7 0

Answer:

a. In a one-to-many relation, at least one (input) value maps to (more than one) (output) value. This means a one-to-many relation (cannot) be a function,

Step-by-step explanation:

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Circle as A diameter of 10 cm what is the circumference use 3.14 For £ and do not round your answer be sure to include the corre

astra-53 [7]

Answer:31.4cm

Step-by-step explanation:

Circumference=2×π×(diameter/2)

Circumference=2×3.14×10/2

Circumference=(2×3.14×5)

Circumference=31.

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2 years ago

Mia is babysitting and has $40 to give to the 5 kiddos for snacks at the movie theater. How much money will each of the children

Tcecarenko [31]

Answer:

Each child would get $8.00.

Step-by-step explanation:

An equation to represent this would be:

40/5

When you divide 40 by 5, you get 8 which results in the children each getting $8.00

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2 years ago

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Consider the first five steps of the derivation of the Quadratic Formula.

lara31 [8.8K]

Answer:

Full proof below

Step-by-step explanation:

$\displaystyle ax^2+bx+c=0\\\\ax^2+bx=-c\\\\x^2+\biggr(\frac{b}{a}\biggr)x=-\frac{c}{a}\\\\x^2+\biggr(\frac{b}{a}\biggr)x+\biggr(\frac{b}{2a}\biggr)^2=-\frac{c}{a}+\biggr(\frac{b}{2a}\biggr)^2\\\\x^2+\biggr(\frac{b}{a}\biggr)x+\frac{b^2}{4a^2}=-\frac{c}{a}+\frac{b^2}{4a^2}\\ \\\biggr(x+\frac{b}{2a}\biggr)^2=-\frac{4ac}{4a^2}+\frac{b^2}{4a^2}\\ \\\biggr(x+\frac{b}{2a}\biggr)^2=\frac{b^2-4ac}{4a^2}\\ \\x+\frac{b}{2a}=\pm\frac{\sqrt{b^2-4ac}}{2a}\\ \\x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$