3 years ago

55x^2 + 62y^2 + 38 − 63x^2 + 8 Combine like terms

Mathematics

1 answer:

Cerrena [4.2K]3 years ago

6 0

Answer: -8x^2 + 62y^2 + 46

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Add 2 1/4 hours to 6 hours 20 minutes please show the work

Scrat [10]

Answer:

Step-by-step explanation:

$1h=60min\to\dfrac{1}{4}h=\dfrac{1}{4}(60min)=15min\\\\2\dfrac{1}{4}h=2h\ 15min\\\\2\dfrac{1}{4}h+6h\ 20min=2h\ 15min+6h\ 20min=(2+6)h+(15+20)min=8h\ 35min$

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4 years ago

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Leona [35]

Ask a teacher or look it up or use a text book

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4 years ago

Which store charges more per towel? P=35 + 18n

brilliants [131]

Answer:

The man rushes through your door with his fists in the air, all of the sudden your vision went black, and he had stolen your points.

Step-by-step explanation:

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3 years ago

The set of ————— consists of counting numbers, their opposites, and zero.

Nookie1986 [14]

Answer:

Integers

Step-by-step explanation:

Counting Numbers are {1,2,3,4,5,...}

Its opposite would be -1,-2,-3,-4,-5,... respectively.

It includes 0 so the whole set would be

{ ..., -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, ... }

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4 years ago

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PLEASE HELP!!! 13 + 7 POINTS!!! THANK YOU!

grin007 [14]

Answer:

7 inches

Step-by-step explanation:

Using Pythagoras' theorem on the right triangle, that is

r² + 11² = 13²

r² + 121 = 169 ( subtract 121 from both sides )

r² = 48 ( take the square root of both sides )

r = $\sqrt{48}$ ≈ 7 in ( to the nearest inch )

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3 years ago