2022 WAEC GCE Mathematics (Essay & OBJ) Answers [5th February]

Get Free Live 2022 WAEC GCE January/February (1st Series) General Mathematics (MATHS) Questions and Answers for Private Candidates Free of Charge | WAEC GCE Jan/Feb Free Mathematics Questions and Answers (Essay & OBJ) EXPO Room (5th February, 2022).

WAEC GCE JANUARY/FEBRUARY 2022 FREE GENERAL MATHEMATICS (MATHS) QUESTION AND ANSWER ROOM [PRIVATE CANDIDATES]

Saturday, 5th February, 2022
General Mathematics/Mathematics (Core) 2 (Essay) – 8:30am – 11:00am
General Mathematics/Mathematics (Core) 1 (Objective) – 1:00pm – 2:30pm

A. 2022 WAEC GCE GENERAL MATHEMATICS ESSAY (THEORY) ANSWERS | 11TH DECEMBER, 2022

(1)


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(3)



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(4a)

(4b)


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(5)


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(7)


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(8)



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(10a)
For 4 tankers to draw from it, that means the volume of the fuel is the sum of all the others.

=> v=4(13,500)

v=πr²h

r=d/2=3.5m

v=54000litres
1L=1dm³

1dm=0.1m

=> 1dm³=(0.1)³m³

=> v=(22/7)(3.5)²h=(0.1)³(54000)

=> h=(7(0.1)³(54000)/22(3.5)²)

=> h=108m


(10b)
(5/3)(sin(x-29))=1/2

Cross multiply.

=> sin(x-29)=3/10

=> x-29=sin-¹(3/10)

=> x=29+sin-¹(3/10

=> x≈46° to the nearest degree.


B. 2022 WAEC GCE GENERAL MATHEMATICS OBJECTIVES (OBJ) ANSWERS | 11TH DECEMBER, 2022

1-10: AACADCDDAD
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