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3 years ago

PLEASE HELP....

Mathematics

2 answers:

astraxan [27]3 years ago

7 0

Answer:

Step-by-step explanation:

If you treat 90° as 1 unit on the graph, then

P(1,0) corresponds to (0,0) and (360,0) on the sin graph (say (0,0) though)

P(0,1) corresponds to (90,1) on the sin graph

P(-1,0) corresponds to (180,0) on the sin graph

P(0,-1) corresponds to (270,-1) on the sin graph

NeX [460]3 years ago

4 0

Answer:

(0,0)

(90,1)

(180,0)

(270, -1)

Step-by-step explanation:

on edg... good luck!!!

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How many moles of oxygen are required to burn 3.0 mole of C10H8 (naphthalene)?

astra-53 [7]

Answer: 36 moles oxygen

Step-by-step explanation:

C10H8 + 12O2 ====》 10CO2 + 4H2O

From the equation of the reaction,

1 mole of napth requires 12 moles of O2

3 moles of napth would require x moles O2

X = (3 * 12) / 1

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Therefore 3 moles of naphtalene (C10H8) would require 36 moles of oxygen

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3 years ago

Find the surface area of the composite figure.

taurus [48]

Answer:

surface area is 39

Step-by-step explanation:

add the areas of each geometric figure making up the composite 3D figure.

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3 years ago

Find the following product.<br> (4a +6) (3a? - 3a+6)<br> (4a + 6) (3a2- 3a +6) =

katen-ka-za [31]

Answer:

12a^3+6a^2+6a+36

Step-by-step explanation:

Sana makatulong!

3 0

3 years ago

Pls answer fast!!! HURRY

tatiyna

Answer:

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I hope this helped!! :)

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3 years ago

Ade and ola share a sum of 400 naira in the ratio 3:5. find the amount ade received.

Stells [14]

Answer:

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Step-by-step explanation:

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2 years ago