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2 is answer for the following questions

(12a+7b)*4c=12a*4c+7b*4c=58ac+28bc

thanks bhai

2x+y=17----------(1)xy=35=>x=35/y----------(2)

Substitute equation (2) in (1);70/y +y=17=>y²-17y+70=0=>y²-10y-7y+70=0=>y(y-10)-7(y-10)=0=>(y-10)(y-7)=0=>y=10 or 7

Now from equation (2);x=3.5 or 5

∴8x³-y³=8(3.5)³-10³ or 8(5)³-7³=-657 or 657

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4x + 5 = 17 - 2x 4x + 2x = 17 - 5 6x = 12 x = 2

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the correct answer is C

Draw an angel of45 using a pair of compasses

my answer is good ok bro

we know by euclide division lemma-: a=bq+r 657=306*2+45 306=45*6+36 45=36*1+9 36=9*4+0 here r=0 so b=hcf hence the hcf of 306,657 is 9 answer

2x + 17 = 802x = 87 - 17 2x = 70x = 70/2x = 35

is not i no that answer is but is nakhilam sutar in vedoc maths

it's board questions

comparing both coordinate givesx/3 + 1 = 5/3x/3 = 5/3 - 1x/3 = 2/3x = 2

y- 2/3 = 1/3y = 1/3 + 2/3 = 1

the answer of this problem remaider is 3

see the answer of this question will be:

The sum of the above given numbers is -542

-542 is the correct answer to this question.

81=3^4243=3^5Hence(3^4)^x-2=(3^5)^x-1henceequate the powers4(x-2)=5(x-1)4x-8=5x-54x-5x=-5+8-x=3x=-3

-37-(-15)-2= -37+15-2=-37+13=-24

Use sum of the two acute angles in rt tr is 90 deg i.e. pi/2

so if the two angles are 'x' and 'y' then

x + y = pi/2 ( = 90 deg)and

x - y = 2 pi/5 (= 72 deg)

Now solve them and get that x = 81 deg and y = 9 deg

cannot understand answer

y 72deg

4(3x-2)+5x = 6(2x+8)-12 12x - 8 + 5x = 12x + 48 - 12 5x = 44 x = 44/5

Area of square = side² = 4² = 16 cm²

Area of recatngle = L × B = 5 × 3 = 15 cm²

Area of sqaure is greater

thank you

2+3+3=8cm5+5+5+5=20cm4+3+3.5+3.5=14cm

So, the equation can be written as x/2-1/5 = x/3 +1/4 => x/2 -x/3 = 1/5+1/4=> x/6 = 9/20 => x = 54/20 = 27/10.

Givenx^2 + 6x=0

Ifx^2and6xare the first two terms of a squared binomial:(x+a)^2=(x^2+2ax+a^2)

Then (since2ax=6ax)=> a=3and the third term must bea^2=9

So we need to add9(to both sides) to "complete the square"x^2+6x+9=9

Rewriting as a squared binomial(x+3)^2=9

Taking the square root of both sidesx+3=±√9=±3

x=6orx=0

(Note that, in this case, the solution would be simpler to determine by factoring).

but ye question me yhiii formula uss krrke bnaynge yaa firre factorize krrkke bnaa sakte haiii i am confused pllzz???

GIVEN3cos55 / 7sin35 - 4/7(cos 70 cosec 20 ) / (tan5 tan25 tan45 tan65 tan85 )

USEtan x = cot (90-x)cot x = tan (90-x)sin x = cos (90-x)cos x = sin (90-x)

= [3 (cos55 / 7cos55)] - 4[(cos70 / sin20)] / 7 [tan5 tan25 tan45 tan65 tan85]= (3 / 7) - 4 / 7(tan5 cot5 tan25 cot25 tan45)= 3/7 - 4/7-1/7

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37.5 percentage of 24037.5*240/100= 90please like the solution 👍 ✔️

Solving the above equation,3(6x-8)=2(5x) 18x-24=10x 8x=24x=24/8 =3

3cos55 / 7sin35 - 4/7(cos 70 cosec 20 ) / (tan5 tan25 tan45 tan65 tan85 )

USEtan x = cot (90-x)cot x = tan (90-x)sin x = cos (90-x)cos x = sin (90-x)

= [3 (cos55 / 7cos55)] - 4[(cos70 / sin20)] / 7 [tan5 tan25 tan45 tan65 tan85]= (3 / 7) - 4 / 7(tan5 cot5 tan25 cot25 tan45)= 3/7 - 4/7= - 1 / 7

thank you

-(4radians) =-229.183118 degree

procedure

this is easy to find from internet..... I need procedure

5×1+2×1-7×15+2-77-7 =0

Nahi

6x^2+3x-2x-2=3x(2x-1)-1(2 x-1)=(3x-1)(2x+1); x=-1/3; x=1/2; 1/2/1/3+ 1/3/1/2=3/2×2/3=6/6=1

n(A) = 285n(B) = 195n(AUB) = 410n(A'UB') = ?n(AUB) = n(A) + n(B) - n(AᑎB)410 = 285 + 195 - n(AᑎB)n(AᑎB) = 480 - 410 = 70n(A'UB') = n(AᑎB)' = n(U) - n(AᑎB) = 500 - 70n(A'UB') = 430