2 years ago

Is 3x+4y=8 parallel or perpendicular

Mathematics

1 answer:

daser333 [38]2 years ago

6 0

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Simplify the expression 6C2

iVinArrow [24]

Answer:

$^6C_2=15$

Step-by-step explanation:

Recall the formula:

$^nC_r=\frac{n!}{(n-r)!r!}$

We apply this formula to simplify $^6C_2$

This implies that:

$^6C_2=\frac{6!}{(6-2)!2!}$

$^6C_2=\frac{6!}{4!2!}$

$^6C_2=\frac{6\times5\times4!}{4!\times 2\times1}$

This simplifies to

$^6C_2=\frac{6\times5}{2\times1}$

$^6C_2=\frac{3\times5}{1\times1}=15$

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2 years ago

Which of the following relations is a function?

Y_Kistochka [10]

I dont know if this is multiple choice but A and D are functions

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2 years ago

Which equation represents the situation: The number s of students in the classroom increased by 2 equals 20?

Serga [27]

Answer:

S+2=20

Step-by-step explanation:

S+2=20 is basically putting this entire problem into numbers. Hope this helps

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2 years ago

For 6 consecutive days, Alejandro studied for 5 minutes more each day than he did the previous day. Which best represents the ch

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I think D. 30

Step-by-step explanation:

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Workers in an office of 40 staff were asked their favourite type of take-away. Pizza 9 Curry 6 Fish & chips 11 Kebab 10 Othe

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Answer:

Hey there!

In total, there are 360 degrees. If there are 40 staff members, then each member has 360/40=9 degrees.

Hope this helps :)

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3 years ago

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