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14451.

Cot 30°. cot 60-1/ cot 30+ cot 60= cot 90°

Answer»

HI mate

here's your answer

pls refer the attachment

and MARK as BRAINLIEST

14452.

The zeroes of the polynomial x² -64 are ____ and _____​

Answer»

Answer:

8 and -8 is your answers

Step-by-step EXPLANATION:

have a NICE day

stay SAFE

14453.

If p and q are the zeroes of the polynmial 2x² +5x +1, then the value of p +q +pq is _________​

Answer»

Answer:

0

Step-by-step explanation:

in this QUESTION their VALUE is only 0, which means that EVEN if you add or MULTIPLY the answer will be 0

14454.

The denominator of a fraction is more than twiceits numerator. Denominator becomes 12 times thenumerator. if both the numerator and the denominationare reduced by 6. Find the fractionLet the numerator of Praction bez and denominhe​

Answer»

Answer:

fraction = 7/18

Explanation:

LET the numerator be x.

AND denominator be (2X + 4)

fraction is x/(2x + 4)

now,

12(x - 6) = (2x + 4 - 6)

=> 12x - 72 = 2x - 2

=> 12x - 2x = -2 + 72

=> 10x = 70

=> x = 70/10

=> x = 7

AND,

DENOMINATOR be (2×7 + 4) = (14 + 4) = 18

fraction = 7/18

14455.

Sin theta-2sin³theta/2 cos³-cos theta=tan theta [solve it fast without spam]

Answer»

Answer:

HOPE it HELPS you

PLS MARK it as brainlist.............

14456.

If p(X) = x³+2x²+X, find p(3), p(-3)and p(4).​

Answer»

Answer:

hi

  1. p(X)=x
  2. x3 + 2x { }^{2}  + x
  3. p(3)=27+18+3=48
  4. p(-3)=-27+18-3=-12
  5. p(4)= 64+32+4=100
14457.

_8/125 please take answer​

Answer»

ANSWER:

don't ASK IRRELEVANT QUESTIONS

14458.

Please solve the following with explanationIf (x+1/x) = square root of 2 , find the value x²+1/x² and x⁴+1/x⁴b.Factorise the following algebraic expressions a.y2-7y+12 b.2x+11x+12c.4z²-8z+3d.p²+8p+16​

Answer»

Step-by-step explanation:

I think the above given PICTURES are correct and CLEAR . Please FORGIVE if it is wrong and don't forget to day thanks if it is correct so that i can UNDERSTAND that it is correct

14459.

Cos 60° cos 45+ sin 60° sin 45º = sin 45 cos 30° + cos 45° sin 30°

Answer»

Hi mate

here's your answer

hope this helps you

please MARK me as BRAINLIEST

14460.

Ge 34)Q. Solve the following quadratic equations byfactorisation method :(1) x? - 15x + 54 = 0what is final answer​

Answer»

{\huge{\sf{\green{\underline{\underline{Question}}}}}}

x{^2}-15x + 54 = 0

x{^2} - (9+6) x + 54 = 0

x{^2} - 9x - 6x + 54 = 0

x(x-9) - 6(x-9) = 0

(x-6)(x-9) =0

x- 6= 0\:and\:x = 6

x - 9 = 0\:and\:x = 9

14461.

2 sin²30°+ 2 tan² 60°-5 cos² 45 = 4

Answer»

HI mate

here's your answer

hope this HELPS you

pls mark me as brainliest

14462.

You have to only tell the property of this questionI know the answer of the Question the answer of the Question 1.2932.13.04.27545.8754×6903​

Answer»

ANSWER:

a) Commutative property

b) Multiplicative identity

c) Additive identity

d) Commutative property

e) Associative property

Step-by-step explanation:

Hope it helps u !!!!!!

Plz mark as BRAINLIST ....✌️✌️

14463.

Plz solve it pairs of linear equations Constant,innconsistent.​

Answer»

ANSWER:

bhai constant JAI LIKH LO 5 marksmilgy

14464.

If cosec theta+cot theta=k.Prove that cos theta=k²-1/k²+1 [solve it fast without spam]

Answer»

HI,

Here is your ANSWER

Solution:

Your answer is given in the ATTACHMENTS.

Hope this helps you.

14465.

81/625 please take answer​

Answer»

Answer:

\huge\underbrace\mathfrak\red{answer}

81/625=7.7160493827

14466.

Diference is 0.2.11. Mr Joshi bought a packet of toffees for his daughter and a tin of biscuits for his son. Ontoffees, he spent of the money spent on biscuits. The price of the tin of biscuits wasRs 60.20. How much money did Mr Joshi spend?​

Answer»

ANSWER:

Answer is 120.40

Price of biscuits = 60.20

Money spent on toffees is same as money spent on biscuits = 2(60.20)

= 60.20 +60.20

=120.40

Hence total money Mr Jyoshi spent was 120. 40

Mark me as brainlist do not copy and answer in brainly

14467.

Add five to nine equal 2, the answer is correct but how?

Answer»

ANSWER:

no bro ADD karna PE 12 aygaa

14468.

- Prove that the sum of the squares of the sides of a rhombus is equal to the sum of thesquares of its diagonals.​

Answer»

Answer:

Step-by-step explanation:

GIVEN :- A rhombus ABCD whose diagonals AC and BD intersect at O.

To PROVE :- ( AB² + BC² + CD² + DA² ) = ( AC² + BD² ).

Proof :- 

➡ We know that the diagonals of a rhombus BISECT each other at right angles.

==>∠AOB = ∠BOC = ∠COD = ∠DOA = 90°,

From right ∆AOB , we have

AB² = OA² + OB² [ by Pythagoras' theorem ]

==> 4AB² = ( AC² + BD² ) .

==> AB² + AB² + AB² + AB² = ( AC² + BD² ) .

•°• AB² + BC² + CD² + DA² = ( AC² + BD² ) .

[ In a rhombus , all sides are EQUAL ] .

Hence, it is proved.

14469.

Magnitude of the sector isof the specific part of the dataIn a division problem the divisor is (a + 2a-1)quotient is (5a - 14) and remainder is (Sa - 17).Find the dividend.There is a shop of Madhubabu in Rohit's Incalinincold​

Answer»

ANSWER:

\huge\underbrace\mathfrak\red{answer}

divisor =DIVIDEND * quotient + REMAINDER

put this formula

14470.

Subject:-MATHEMATICS

Answer»

STEP-by-step EXPLANATION:

step by step explanation

14471.

The sum of n terms of AP is 3n²+5n,then which term of the AP is 152.​

Answer»

Step-by-step EXPLANATION:

Tn = 3n²+5n

a = T1 = 3(1)²+5(1) = 8

d = T2 - T1 = 3(2)²+5(2) -8

d = 32 - 8 = 24

tn = a + (n-1)d

152 = 8 + (n-1)24

144 = (n-1)24

6 = n-1

n = 6+1 = 7 ...;):);)

14472.

What is the value of x in solutions 2x+3=5​

Answer»

Answer:

2x = 5 - 3

2x = 2

x = 2/2

x = 1

Hope it will be HELPFUL

14473.

64x^7y^4+1000x^4y^7 do the factorize ​

Answer»

ANSWER:

OK I am SENDING a answer

14474.

Calculate (2AO)². Is it 4AO² ​

Answer»

ANSWER:

It is 4A^2O^2

Step-by-step EXPLANATION:

it MAY HELP you

14475.

Find x and y if pq||bc​

Answer»

y= ANGLE ABC

x= angle ACB

hope it helps

mark as BRANLIEST ans

follow me GUYS

14476.

sin theta+tan theta=p.Prove that sin theta=p²-1/p²+1 [No spam answers are allowed] and [Solve it fast and correct]

Answer»

Hi,

Here is your ANSWER

Solution:

Your answer is GIVEN in the attachments.

HOPE this HELPS you.

14477.

8×_11-5×+3=2×+4_3×.​

Answer»

Step-by-step explanation:

8×(-11)-5×3=2×4(-3)

-88-15=2×(-12)

-103=-24

-103≠-24

it is not EQUAL

14478.

Please solve the following with explanation​

Answer»

Answer:

PLZ thanks VOTE and MARK BRAINLIEST

14479.

11. A string 152152nerm long. How many pieces each of 5 - m long can be cut from it?612. The cost of 12 tables is * 3600 and that of 6 chairs is * 3000. How much will 4 tablesand 4 chairs cost altogether?13. A car is moving with a uniform speed of 50 Imb-142.​

Answer»

Answer:

1- 3

2-4400

hop it is CORRECT

14480.

इन द गिवन फिगर ऑफ एंगल वन इज इक्वल टू 65 डिग्री फाइंड अदर एंगल ​

Answer»

ANSWER:

ANGLE 3

hope it HELPS MARK me as BRAINLIEST

14481.

(ii) 3(x - 1) = 8solve and verify​

Answer»

{\huge{\sf{\green{\underline{\underline{Question}}}}}}

SOLVE 3(X-1) = 8 with verification

━━━━━━━━━━━━━━━━━━━━

{\huge{\sf{\green{\underline{\underline{Solution}}}}}}

multiply 3 with the bracket.

3x - 3 = 8

now, transfer 3 to RHS

3x = 8 + 3 --------------(1)

3x = 11

x = 11/3

━━━━━━━━━━━━━━━━━━━━━

{\huge{\sf{\green{\underline{\underline{Verification}}}}}}

Put x = 11/3 in the equation (1)

3(11/3) = 8 + 3

11 = 11

LHS = RHS

HENCE, it's verified.

━━━━━━━━━━━━━━━━━━━━

14482.

(iv) कौन-से रुधिर वर्ग में प्रतिरक्षी अनुपस्थित होता है -(अ) A वर्ग(ब) AB वर्ग(स) B वर्ग(द) 0 वर्ग।​

Answer»

ANSWER:

Hey BUDDY

Always remind that

I can do it

    and

You can do it

HOPE it helps you\(◎o◎)/

mark MR brainlist

14483.

12x^2 + 37x + 21.........​

Answer»

ANSWER:

Hey buddy

ALWAYS REMIND that

I can do it

    and

You can do it

Hope it helps you\(◎o◎)/

14484.

If @ and B are the zeroes of quadratic polynomial x^2-kx+15 such that (@^2 + B^2) [email protected]=34, find k .

Answer»

\bigstar Answer

  • k = ± 9.69

\bigstar Given

  • α and β are the zeroes of quadratic polynomial x² - kx + 15
  • such that  ( α² + β² ) - 2αβ = 34 .

\bigstar To Find

  • Value of k

\bigstar Solution

Given quadratic polynomial is x² - kx + 15

Compare given EQUATION with ax² + BX + C , we get ,

  • a = 1 , b = - k , c = 15

Also given α , β are zeroes of the quadratic equation .

Now ,

\rm Sum\ of\ zeroes\ ,\alpha +\beta =\dfrac{-b}{a}\\\\\implies \rm \alpha +\beta =\dfrac{-(-k)}{1}\\\\\implies \rm \alpha +\beta =k...(1)\\\\\rm Product\ of\ zeroes\ ,\alpha .\beta =\dfrac{c}{a}\\\\\implies \rm \alpha .\beta =\dfrac{15}{1}\\\\\implies \rm \alpha .\beta =15...(2)

It is also given that ,

\alpha^2 + \beta^2 - 2 \alpha \beta = 34\\\\\implies \rm (\alpha +\beta)^2-2(\alpha.\beta)-2(\alpha.\beta)=34\\\\\implies \rm (k)^2-4(15)=34\;\;[\; From\ (1) \& (2)\;]\\\\\implies \rm k^2-60=34\\\\\implies \rm k^2=34+60\\\\\implies \rm k^2=94\\\\\implies \rm k^2=\pm \sqrt{94}\\\\\implies \bf k= \pm\ 9.69

More INFO

\rm For\ a\ cubic\ polynomial\ ,ax^3+bx^2+cx+d,\\\\\bullet \;\; \rm Sum\ of\ zeroes\ , \alpha +\beta +\gamma =\dfrac{-b}{a}\\\\\bullet \;\; \rm Product\ of\ two\ zeroes\ ,\alpha \beta +\beta \gamma +\gamma \alpha =\dfrac{c}{a}\\\\\bullet \;\; \rm Product\ of\ zeroes\ ,\alpha \beta \gamma =\dfrac{-d}{a}

14485.

(1-tanQ×tanQ)+(1+1/(tanQ×tanQ)=1/(secQ×secQ+sinQ×sinQ×sinQ×sinQ)​

Answer»

Answer:

GIVEN,

Zeroes are 1/2+2√3 and 1/2-2√3

sum of zeroes = 1/2+2√3 + 1/2-2√3

= 1/2 + 1/2

= 1

product of zeroes = 1/2+2√3 x 1/2-2√3

= [ 1/2 ] ² - [ 2√3 ]²

= 1/4 - 12

= 1/4 - 48 / 4

= -47 /4

Quadratic equation

x² - [ sum of zeroes ]x + product of zeroes

=x² - x + -47/4............

tex] \BEGIN{lgathered}\tt \implies \: (25 - x) {}^{2} = (x) {}^{2} + (5) {}^{2} \\ \tt \implies625 - 50 + x {}^{2} = x {}^{2} + 25 \\ \tt \implies - 50x

14486.

√x+1​

Answer»

ANSWER:

Hey BUDDY

ALWAYS remind that

I can do it

    and

You can do it

Hope it HELPS you\(◎o◎)/

mark MR brainlist

14487.

Could you please help me in solving this problem in the attachment. Thank you.

Answer»

Step-by-step EXPLANATION:

the ANSWER will be C OK FRIEND

14488.

PLEASE PLEASE SOLVE THIS AS FAST AS POSSIBLE (ONLY SOLVE IT IF YOU KNOW HOW TO DO IT)

Answer»

ANSWER:

Step-by-step explanation:

How do you FIND the K value of a EXPONENTIAL function?

Now some ALGEBRA to solve for k:

 1.Divide both sides by 1013:0.88 = e1000k

  2.Take the NATURAL logarithm of both sides:ln(0.88) = ln(e1000k)

  3.ln(ex)=x, so:ln(0.88) = 1000k.

  4.Swap sides:1000k = ln(0.88)

  5.Divide by 1000:k = ln(0.88)/1000.

14489.

Condition 1 : sum of two number is 4.condition 2 : if first number will the substracted from second ,the answer will be 2.find the both numbers ?​

Answer»

ANSWER:

MARK this as BRAIN LIST answer.

Step-by-step EXPLANATION:

x+y=4

x+y=4

x=4-y

y-x=2

y-(4-y)=2

y-4+y=2

2y=2+4

2y=6

y=3

x+y=4

x+3=4

x=4-3

x=1

14490.

(i) 3х + 4 = 22 solve and verify answer​

Answer»

Answer:

18

Step-by-step explanation:

3x+4=22

3x=22-4

3x=18

x=18/3

x=6

hope this will HELP you

hope you will MARK me as BRAINLIEST

14491.

Solve the ticked ones only please please please​

Answer»

ANSWER:

oh vlad oh vlad TICKED ticked tickedd PLEASE SOLVE

14492.

Q(x)=0,when x=2.......... pls​

Answer»

ANSWER:

MARK this as brain LIST answer.

Step-by-step EXPLANATION:

q(x)=0

x=2

q(2)=o

2=0

14493.

Factorise x^4 - 40x^2 + 144​

Answer»

ANSWER:

PLZ thns and vote

also MARK brainliest

Step-by-step EXPLANATION:

let

x²=a

then,

a²-40a+144

a²-36a-4a+144

a(a-36)-4(a-36)

(a-4)(a-36)...

14494.

An allay consist of 13 part of capper, 7 parts of zink5 parts of nickle , what ispercentage composition of the allay?​

Answer»

ANSWER:

Hey buddy

Always remind that

I can do it

    and

You can do it

Hope it HELPS you\(◎o◎)/

mark MR brainlist

14495.

(v) The degree of a polynomial in one variable is always(a) a natural number(b) a whole number(c) an integer(d) a rational number​

Answer»

NATURAL NUMBER..........

HOPE IT HELPS U.

PLEASE MARK AS BRAILIAST ANSWER

14496.

Page:सिह कीजिए किsino+cos(90-00SOC(90-0) =2CO6lce​

Answer»

ANSWER:

your question is not clear

SORRY I cannot HELP you

please FOLLOW me

please rate me

14497.

A window is in the form of a rectangle surmounted by a semi-circular opening. The total perimeter of the window is p metres. Show that the window will allow the maximum possible light only when the radius of the semicircle is p/π + 4m​

Answer»

above THREE pages is your answer

Step-by-step explanation:

HOPE this helps you follow me and MARK me in BRAINLIEST plzpzlzpzlplz

14498.

The perimeters of two similar triangles are 30 cm and 20 cm respectively.If one side of the first triangle is 9 cm long, find the length of thecorresponding side of the second triangle.​

Answer»

ANSWER:

The side of the other triangle corresponding to 12 CM side of the FIRST one will be 12 * 20/30 = 8 cm, since SIDES and perimeter are linear and also similarity is a linear relation. Triangle ABC has AB = 10, BC = 24, and AC = 26. The perpendicular bisector of AC INTERSECTS the extension of AB at O.

14499.

हिंदी गिवन फिगर एंगल वन इज इक्वल टू 7 डिग्री एंड एंगल इट इज इक्वल टू 35 डिग्री एबी एंड सीडी पैरेलल​

Answer»

ANSWER:

yesssss .............

14500.

Show that the volume of the greatest cylinder which can be inscribed in a cone of height h and semi vertical angle A is (4/27)πh^3tan^2A​

Answer»

ANSWER:

I'm SORRY

Step-by-step EXPLANATION:

I'm can't do this SUM