3 years ago

Which relation is a function?

Mathematics

1 answer:

Hatshy [7]3 years ago

5 0

The answer is c bye i am happy i could help

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Your answer will be 3

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True of False:the following polynomial is written in standard form<br> 2x^4-x^3+5x^2+x-7

djyliett [7]

The following polynomial is not written in standard form so it is false

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2 years ago

2 more than 3 times a number is 17 as an equation

Paladinen [302]

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3 years ago

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A box at a yard sale contains 3 different china dinner sets, each consisting of 5 plates. A customer will randomly select 2 plat

marshall27 [118]

Answer:

$\dfrac{2}{7}$

Step-by-step explanation:

3 different china dinner sets, each consisting of 5 plates consist of 15 plates.

A customer can select 2 plates in

$C^{15}_2=\dfrac{15!}{2!(15-2)!}=\dfrac{15!}{13!\cdot 2!}=\dfrac{13!\cdot 14\cdot 15}{2\cdot 13!}=7\cdot 15=105$

different ways.

2 plates can be selected from the same dinner set in

$3\cdot C^5_2=3\cdot \dfrac{5!}{2!(5-2)!}=3\cdot \dfrac{3!\cdot 4\cdot 5}{2\cdot 3!}=3\cdot 2\cdot 5=30$

different ways.

Thus, the probability that the 2 plates selected will be from the same dinner set is

$Pr=\dfrac{30}{105}=\dfrac{6}{21}=\dfrac{2}{7}$

7 0

3 years ago

Pleaaase helppp meee im being timedd please explain too and i will be marking brainliest thank u :)

Mashutka [201]

Answer:

224 cubic in

Step-by-step explanation:

l*w*h / 3

12*14*4=672

672/3=224 cubic in

7 0

3 years ago