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ANSWER:

-4

Step-by-step EXPLANATION:

x²-5x=8+x²-3x

-2x=8

x=-4

this is your answer

ANSWER:

ORIGINAL FRACTION is probably

146/53

check it...

Step-by-step EXPLANATION:

(cosA/sinA+sinB/cosB)÷(cosB/sinB +sinA/cosA)

={(cosA.cosB+sinA.sinB)×sinB.cosA}÷{(cosA.cosB+sinA.sinB)×sinA.cosB}

=sinB/cosB×cosA/sinA

=cotA×tanB

ANSWER:

√X + 1/√x = 2√2

Step-by-step explanation:

1st Method                                                    2ND Method

GIVEN x = 3 – 2√2                                         Given x = 3 – 2√2

     ⇒ x = 2 + 1 – 2√2                                    So, x + 1/x =  3 – 2√2 + 1/(3 – 2√2)                                      

     ⇒ x = (√2)² + 1² – 2 × √2 × 1                                     = 3 – 2√2 + 3 + 2√2

     ⇒ x = (√2 – 1 )²                                                          = 6

   ∴ √x = (√2 – 1 )                                          Add 2 both sides

Now consider, (1/√x) = (1/(√2 – 1 )                x + 1/x + 2 = 6 + 2

Multiply and divide with (√2 + 1 )                (√x)² + (1/√x)² + 2 × √x × 1/√x = 8

We get                                                            (√x + 1/√x)² = 8

(1/√x) = (√2 + 1 )/[(√2 – 1 )(√2 + 1 )]                  √x + 1/√x = √8

         = (√2 + 1 )/[2 – 1]                                     √x + 1/√x = 2√2

∴  (1/√x) = (√2 + 1 )

√x + (1/√x) = (√2 – 1) + (√2 + 1)

                 = 2√2

ANSWER:

you can SOLVE this by FOLLOWING FORMULA

ANSWER:

OK.....................

two point three SIX two FIVE HOURS

Answer:

1) -10-(-9)

= -10+9

= -1

2) -2-(+18)

= -2-18

= -20

3) +7+(-11)

= +7-11

= -4

hope it helps

ANSWER:

MULTIPLY by 18/5 for m/s

Step-by-step EXPLANATION:

..............for km/hr multiply by5/18

Step-by-step EXPLANATION:

jdkkdkkjhyhdtcsdnktjjjxjbwhjcjfmjvi

INDIAN system=8,144,288,888.

2/9× 2/5=4/45

Then 3/5-11/18

Lcm of 5 and 18=90

3/5=3×18/5×18=54/90

11/18=11×5/18×5=55/90.

54/90-55/90=-1/90

2/9× -1/90=-2/810

4/45+ -2/810

lcm of 45 and 810=810

4×18/45×18=72/810

-2/810=-2×1/810×1=-1/820

2/9+-1/210

lcm=630

2/9=2×70/9×70=140/630

-1/210=-1×3/210×3=-3/630

140/630+-3/630

140/630-3/630

137/630 is the ANSWER.

Answer:

63

Step-by-step explanation:

If we double the units PLACE and TAKE HALF of tens place then we will GET the digit as 36.

This new number OBTAINED is less than the original number by 27.

Step-by-step EXPLANATION:

EASY ... ASK if you have DOUBTS

ANSWER:

75 is the RIGHT answer because it is not DIVISIBLE by 9

HOPE it's HELPFUL for you MATE..........

ANSWER is -30. -1*-5=-5*-4=-20*-6=-30

PLZ FOLLOW me. BRAINLY MARK

ANSWER:

the ONE's digit in the square of 1234 will be 6.

unit digit of (1234)^2 = (4)^2

unit digit of (1234)^2 = 16= 6

unit digit of (123 4)^2 = 6

hope it HELPS u :-)

I10is the ANSWER to this QN

Answer:

Mean square CONVERGENCE implies convergence in DISTRIBUTION. If a sequence of RANDOM variablesconverges in mean square to a random VARIABLE , then also CONVERGES in distribution to .

Answer:

3xaquqqhhhausurheieoehw

Answer:

as CLOSET is 0.87m long and the WALL left is 3.65m then their total length WOULD be the length of the wall that would be 4.52m

Answer:

11- 6,12,15,21,24,30

Answer:

a-1/a=-5 (obvious from PROBLEM)

a'2+5a-1=0 (MULTIPLY by a to the GIVEN EQN)

then a=-5-+ROOT(29)

a+1/a =(a'2+1)/a=(2-5a)/a =2/a -5

=2/(-5+root(29)) -5

=2*(-5-root(29))/(-4) -5

2*(5+root(29))/4-5

=10/4+2*root(29)/4 -5

=(root(29))/2 -5/2

ANSWER:

Answer:

180 - 124 = 56

THEREFORE ANGLE B is = 56

Answer:

25..........

Step-by-step explanation:

=x^2+2x=100

=2x + 2x=100

=4x = 100

=X=100/4

=X = 25........

PLEASE mark me BRAINLIEST.......

FOLLOW ME........

ANSWER:

,1/x....

........

........ . ....

Here's your answer! ❤️

Series in Maths -

A sequence is a set of numbers in a particular ORDER. When you ADD the values in a sequence TOGETHER, that sum is CALLED a series!

Hope it HELPS you! ☺️✌️

Sol: LHS = (COSEC A - SIN A) (SEC A - COS A) = (1/sin A - Sin A)(1/cos A - cos A) = [(1 - SIN2 A)/ sin A] [(1 - cos2 A)/cos A] = [(cos2 A)/sin ...

ANSWER:

National INSTITUTE of OPEN Schooling.

●●●●●●Hope u like the answer●●●●●●

ANSWER:

Step-by-step

is this what you WANT?

ANSWER:

Step-by-step EXPLANATION:

SOLUTION is 8

Step-by-step explanation:

(root(3)-i)/2

since congate of z root(3)-i

mod OFZ = root(3+1)=2

and multi. inverse =CONJUGATE of z/mod of z

?????

SAY CLEARLY.

I can't UNDERSTAND ANYTHING

Answer:

11.5

Step-by-step EXPLANATION:

because in SQUARE all SIDES are EQUAL

HI there !!

Sec (7°-2 a)= Cosec (5a-7)

sec(90-(7-2a)) = cosec(5a-7)

[ sec(90-A)=cosecA ]

cosec (90-7+2a ) = cosec (5a-7)

90-7+2a = 5a-7

83+7 = 5a-2a

90 = 3A

a= 30°

Thankyou :)

By COMPONENTO DIVIDENDO

Answer:Step 1: Take the natural LOG of both sides:

Step 2: SIMPLIFY the left SIDE of the above equation using Logarithmic RULE 3:

displaymath123

Step 3: Simplify the left side of the above equation: Since Ln(e)=1, the equation reads

displaymath127

Ln(80) is the exact answer and x=4.38202663467 is an approximate answer because we have rounded the value of Ln(80)..

Step-by-step explanation:

ANSWER:

B A POSITIVE INTEGER

Step-by-step EXPLANATION:

Which is a positive integer.

Answer:

24

Step-by-step EXPLANATION:

Answer:

2x=5

2x+0y-5=0

a=2

b=0

c=-5

ANSWER:

yes

Step-by-step EXPLANATION:

Answer:

hai mate your answer

Step-by-step EXPLANATION:

Given,

We know, according to BINOMIAL theorem,

if Any number in the FORM of (1 + a)ⁿ , where a << 1

Then, (1 + a)ⁿ ≈ 1 + na

Now, (1003)⅓ = (1000 + 3)⅓

= (1000)⅓[ 1 + 3/1000]⅓

= 10[1 + 0.003]⅓

∵ 0.003 << 1

so, 10(1 + 0.003)⅓ = 10(1 + 0.003 × 1/3) = 10(1 + 0.001)

= 10 × 1.001

= 10.01

Hence,  = 10.01

Answer:

648 in EXPONENTIAL FORM is

648=2^3×3^4

Answer:

The positive integers which when divided by 3 leaves a remainder 2 are the ones added to the multiples of 3 , they are as follows

5,8,11,14

In general it is of the form 3n+2, where n runs from 1 to infinity

2.

In such QUESTIONS we need to DIVIDE the number of flower pots by the flower pots per row, the quotient provides the number of rows NEEDED, while the remainder gives the number of flower pots left

532÷21

quotient=25

remainder=7

Number of COMPLETED rows=25

Number of pots left over=7.

Answer:

Step-by-step EXPLANATION:

The triangle is RIGHT angle isosceles

let  ∠B =90

then ∠A=∠C=45

Hence BC=AB=x

and AC²=BC²+CA²

22²=x²+x²

2x²=484

x²=242

x=11√2

Other LEGS of triangle are 11√2 and 11√2

so both the sides except are EQUAL

Answer:

3

Step-by-step EXPLANATION:

LET z=a²/bc+b²/ca+c²/ab

z=1/abc(a³+b³+c³)

We KNOW that

GIVEN a+b+c=0

then a³+b³+c³=3abc

so z=1/abc*3abc

=3

ANSWER:

Step-by-step explanation:

1/3×1/100

1/300

0.03%