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= (-5) * (-7) = 35.

(-5)*(-7)=35

4th no is not understandable

average of first 3 =15 sum of 1st 3 no. = 3×15=45& also last 3 no. =16sum of last 3 =16×3=48in it last no is 19 so middle two =48-19=29so 29 minus from first 3so 1st no =45 -291st no. =16 so let 2nd no be x and 3rd be 29 -x so according to the 1st conditions 16 +x+29 -x =45 x + 29 - x = 29 let x be 15 so 3rd no be 14

16,15,14 is the right answer

we yg xhohuf8v ng tu de ov

4th number is not understandable

5/6*2/75/3*1/75/21

Multiply=-2/5*15/8=-30/40=-3/4

sum of first 25 terms of an A.P is 525we know that s(25)=n/2(2a+(n-1)d)=25/2(2a+24d)=525-(1)sum of next 25 terms of an A.P is 725,so that total number of terms is 50so that it can be written as 50/2(2a+49d)=(725+525)-(2)1 can be written as 2a+24d=42-(3)2 can be written as 2a+49d=5o-(4)so that 3&4 is solved,we get 25d=8=>d=8/25common difference is 8/25.

Economic development is the process by which a nation improves the economic, political, and social well-being of its people. The term has been used frequently by economists, politicians, and others in the 20th and 21st centuries.

Progress in an economy or the qualitative measure of this. Economic development usually refers to the adoption of new technologies, transition from agriculture based to industry based economy and general improvement in living standards.

plz keep options

plz keep options

plz keep options

A^2=A*A=9-1 3+2 = 8 5 -3-2 -1+4 -5 3A^2-5A+7I=8-15+7 5-5+0 =0 0 -5+5+0 3-10+7 0 0Hence Proved.

thank you

b=4

21b+7b-20b-32=08b=32b=32/8=4

2a² ⁻17ab +26b²=2a²-13ab-4ab+26b²=a(2a-13b)-2b(2a-13b)=(2a-13b)(a-2b)

(x+3a)a

4a² × ( 3a + 7b)

4a² × 3a + 4a² × 7b

12a³ + 28a²b

A definition list is a list of terms and corresponding definitions. Definition lists are typically formatted with the term on the left with the definition following on the right or on the next line. The definition text is typically indented with respect to the term.There are three list types in HTML: 1)unordered list — used to group a set of related items in no particular order.2)ordered list — used to group a set of related items in a specific order.3)description list — used to display name/value pairs such as terms and definitions.

thanks bro

since the no. is a 2 digit no. let, the no. be x 3meaning tens digit =x and ones digit =3therefore no. =10x+3but according to the question 7(x+3)=10x+3=7x+21=10x+3=21-3=10x-7x=18=3x=6=xtherefore no. = 10*6+3=63

a=1/a-51/a=a-5a-5+5=1/a +5(add 5 to both sides)a=1/a+5a-1/a=5a^2-1/a=5a^2-1=5a(a+b)(a-b)(a+1)(a-1)=5a(a-1)=5a/a+1divide whole equation by aa-1/a=5a​^2/a+1 anda+1/a=5a^2/a-1

3x = 2x + 153x -2x = 15x = 15

As we know that length of each side of a hexagon will be rso the perimeter will be6*r = 6rso Option b is right

speed = 40 km/hr = 40×5/18 = 11.11 m/s & time = 15 seconds

speed = distance/time11.11 = distance/15distance = 11.11×15 = 166.65m

so the distance covered by it is 166.65m.

cos(2x) = cos^2(x) - sin^2(x). We also know the trig identity sin^2(x) + cos^2(x) = 1, so combining these we get the equation cos(2x) = 2cos^2(x) -1.

Now we can rearrange this to give: cos^2(x) = (1+cos(2x))/2.

This eventually gives us an answer of x/2 + sin(2x)/4 +c

MISSISSIPPI total arrangement 11!/(4!×4!×2!) = (11×9×8×7×6×5×4!)/(4!×4×3×2×1×2×1) = 11×3×7×3×5 = 3465 total ways of 4I together = 8!/(4!×2!) = (8×7×6×5×4!)/(4!×2) = 4×7×6×5 = 840 so total ways of all 4I are not together 3465-840 = 2625

according to which formula you find that 100 boys will admitted

girls is 300 and boy is 200..for boys and girls to be equal..boys should be admitted 100

10,00,0001,00,00,00010,00,00,0001,00,00,00,000

Radius of curvature of common surface is r¹*r²/r²-r¹= 2r*3r/3r-2r=6r

x= -2/3

Let AP first term is a and common difference be d

a(2) = 8a + d = 8 ..... (1)

a(5) = 17a + 4d = 17 ......(2)

eq(2) - eq(1)

3d = 9d = 3

So, a = 8 - 3 = 5

Therefore, a(19) = a + 18d = 5 + 18 × 3 = 5+54 = 59

Please like my solution if you find it useful.

Distance in 5 hours=550 kmDistance in 1 hour=550/5=110 kmDistance in 9 hours=550*9=4950 km

550km in 5 hours1 km in 5/5502750 km=5*2750/550=25 hours