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4) Circumference = 396 = 2*pie*r 396 = 2×22×r/7 r = 63 area = pie*r*r = 22*63*63/7 = 12474 m*m 5) Diameter = 98cm Circumference = pie*d = 22*98/7 = 308 cm = 3.08m Number of revolution to cover 1540 m = 1540/3.08 = 500

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4) is the correct answer

16:36:45 (cross multiply the given product )

2x + 3y = k2x2 + 3x1 = k4 + 3 = kk = 7

x²-4 and x²-16Lcm of( x-2)(x+2 and (x+ 4) (x-4)Lcm =(x²-4)(x²-16)

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2(2)+3(1) = k

k = 4+3

k = 7

putting x = 2 , y = 1 in the equation

=> 2(2)+3(1) = k=> 4+3 = k=> k = 7

k =7 is the answer to your question

x=2,y=12x+3y=k2(2)+3(1)=k4+3=kk=7

Sin(90°-α) = cosαcos(90°-α) = sinα

so,cos70°/sin20° + cos59°/sin31° -8 sin²30°=[cos(90°-20)]/sin20° + [cos(90°-31°)]/sin31° - 8×(1/2)²=sin20°/sin20° + sin31°/sin31° - 2= 1+1- 2= 0

the answer is (according to bodmas rule) 902,199

1).84 2).99 3).70 4).585).81 6) 1 7).13 8).679).06 10).09 11).03 12).05

(f) 987×1000=987000

According to BODMAS,

(969)-10[5+{(111*3)+(8*1.5)4}]

= (969)-10[5+{(333)+(12)4}]

= (969)-10[5+{333+48}]

= (969)-10[5+381]

= (969)-10[386]

= 969-3860

= -2891

For 2x + 3y = kGiven x = 5, y = - 2

Then,2*5 + 3*-2 = kk = 10-6 = 4

Value of k is 4

No Of Balls = 15No Of Blue Balls = xNo Of Red Balls = 15 - xProbability of taking a red ball is; P(E) = 15 - x15

After 5 red balls are added,No of balls = 15 + 5 = 20No of blue balls = xNo of Red Balls = (15 - x) + 5 = 20 - xProbability of taking a red ball is; P(E) = 20 - x20

According to your question, 15 - x x 2 = 20 - x15 20

30 - 2x = 20 - x15 20

600 - 40 x = 300 - 15 x​ 300 =25 xx = 12

-45+(-67)=-45-67=-112 is the value

-45+(-67) = -45-67 = -112.

4477 is right answer

4477 is correct answer

The right ans is 4477

4477it is right answer

6 7 + 4 5 x 98=67+4410=4477

4477 is the correct answer

67+45×98=4477 is correct answer

4477 is the right answer

67+45×9876+44104476

67+45×98=4477 is the result

4477 is A correct answer.

4477 is the right answer

4477 is the right answer.

-13+(-4)=-13-4=-17(-)*(-)= add with (-) sign

35 22

1713 is the answer of the following

1613 is the right answer

678+935=16131613 is correct answer.

1613..........is answer

1613 is the correct answer

1613 is the correct answerthe right answer

1613 is the correct answer

161 4 is correct answer

=1613 is right answer

345+678+9871023+9872010

Sum of 6789678+1234567=8024245Diffrence=6789678-1234567=5555111So 8024245-5555111=24689134 should be taken out from sum of both nmbr to make equal to diffrence of both

% students not good at drawing is 100%-60% = 40%

now 40% of 54 = 0.4*54 = 21.6 ≈ 22 students

thank u

Probability = possible outcomes/ Total outcomes

For drawing APossible outcomes = 1Total outcomes = 4Probability = 1/4

For drawing HPossible outcomes = 1Total outcomes = 3Probability = 1/3

Probability of drawing A and then without replacing A drawing H= 1/4*1/3 = 1/12

234/5 = 46.8

kya sahi hi

I am not sure...TM phir se post kro..yha p bht experts h..koi na koi answer de dega

The value of 19/234 is 0.08.

with step by step method please

X + 2y - 5 = 0 ----------(1){a=1,b=2,c=-5}3x + ky - 15 = 0 ----------(2){x=3,y=k,c=-15}Unique solution.a/x is not equal to b/y=> 1/3 is not equal to 2/k=> k is not equal to 6.No solutiona/x = b/y is not = c/z=> 1/3 = 2/k=> k = 6

Multiply=123×234=28782

x-2y=2,3x+ky=(-5) to have a unique solution, they should meet at a single point

a1/a2 should not be equal to b1/b2

==> 1/3 =/ -2/k ==> k should not be equal to -6

how k is not equal to the -6

the correct answer is912

-234(45)-67= -10530-67= - 10597

2x+3y=112x-4y=-24(1)-(2)7y=35y=5

put in 12x+3(5)=112x +15=112x =-4x=-2

y=mx+35=-2m+32=-2mm=-1

2x+3y=112x-4y=-24Subtract equations7y=35; y=52x=11-3y; 2x=11-15; 2x=-4; x=-2y=mx+35=m(-2)+35-3=-2m2=-2mm=-1

2x + 3y = 11 2x - 4y = -24 2x + 3y - 2x + 4y = 11 + 24 7y = 35 y = 5 2x + 15 = 11 2x = -4 x = -2 y = mx + 3 5 = -2m + 3 -2m = 2 m = -1

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