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Step-by-step EXPLANATION:

r²-R²

8²-6²

64-36

28cm²

Answer:

heyy hope this helps u

Step-by-step explanation:

The VALUES of k = 4.

Given:

Quadratic EQUATION 2X^{2}+Kx +2=02x

2

+Kx+2=0 has equal roots.7

To find:

The values of k

Explanation:

General format of quadratic equation is ax^2+bx+c =0ax

2

+bx+c=0 .

If the roots of quadratic equation is equal then,

\sqrt{B^{2} \ -\ 4ac }=0

b

2

− 4ac

=0

Where,

a = coefficient of x²

b = coefficient of x

c = constant term.

\sqrt{b^{2} \ -\ 4ac }=0

b

2

− 4ac

=0

b² - 4ac =0

Comparing the quadratic equation

2x^{2}+Kx +2=02x

2

+Kx+2=0

b = k a=2 c=2

k² - 4×2×2 = 0

k² = 16

k = \sqrt{16}

16

k = 4

Therefore, the values of k = 4 if roots are equal.

To learn more...

1. If alpha and beta are roots of quadratic equation 3x2+kx+8 and alpha/beta=2/3 then find the VALUE of k

2. The sum of the roots of a quadratic equation is 3 while the sum of the squares of its roots is 7. find the equation.

Answer:

Most atoms do not have eight electrons in their VALENCE electron SHELL. ... Atoms that lose electrons acquire a positive charge as a result because they are left with fewer negatively CHARGED electrons to balance the positive charges of the PROTONS in the nucleus. POSITIVELY charged ions are called cations

Step-by-step explanation:

...tq

Step-by-step explanation:

The cardboard BOX is a cuboid

here LENGHT = 0.5 m = 50 cm

breadth = 25 cm

height = 15 cm

Total surface area of cuboid = 2(lb+bh+hl)

=> 2 (50×25+25×15+15×50)

=> 2(1250+375+750)

=> 2(2375)

=> 4750 cm²

=> 47.5m²

Answer:

b = 9.

Solution:

a, b, C are in CONTINUED PROPORTIONAL means they are in G.P.

» a = A, b = AR and c = AR²

» b = √(ac)

» b = √(3 × 27)

» b = 9

Answer:

45 is the answer my SIR has told this answer

Step-by-step EXPLANATION:

hope it is help FULL for you

Answer:

448 ÷ 0.7 = 640

HoPe iT HeLpS

Step-by-step EXPLANATION:

PLEASE MARK me as brainliest and also FOLLOW me

Answer:

Differentiate USING the chain RULE, which states that ddx[f(g(x))] d d x [ f ( g ( x ) ) ] is f'(g(x))g'(x) f ′ ( g ( x ) ) g ′ ( x ) where f(x)=log(x) f ( x ) = log ( x ) and g(x)=X2 g ( x ) = x 2 .

ANSWER:

QUESTION is not visible

Step-by-step EXPLANATION:

Answer:

20, 30, 50

Step-by-step EXPLANATION:

LET NUMBERS be 2x, 3X and 5x

So,

% of 2x = 2x/10x * 100 = 20

% of 3x = 3x/10x * 100 = 30

% of 5x = 5x/10x * 100 = 50

ANSWER:

ATTACH PHOTO of QUESTION than I can HELP you

Given : the number of gift bags an employee filled and the time in minutes

The equation represents the linear model for this data.

y=  10x+150

To Find : how MANY bags did the employee START with

Solution:

y=  10x+150

x = 0

=> y = 150

Hence employee start with 150 bags

learn More:

The scatterplot and trend LINE SHOW a positive correlation between ...

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The table shows the estimated number of lines of co DE written by ...

brainly.in/question/15421827

Melinda works at a cafe. Each day that she works, she records x, the ...

brainly.in/question/9365370

COMPLETE the SUM FIRST then ASK

Answer:

bcoz 6 equal parts of the was there then 4 parts ate by the her family so six HYPHEN by four then it will remaining 2 parts FO cake .

2 - answer

Answer:

2

Step-by-step EXPLANATION:

Because there are only 2 LINES which join the opposite CORNERS

Answer:

125

Step-by-step EXPLANATION:

HOPE it will HELPFUL for YOY

ANSWER: reminder=55

quotient=875

Step-by-step EXPLANATION:

ANSWER:

where are the OPTIONS?

Answer:

1000

Step-by-step explanation:

Given :

P% = 15%

P = 150

Procedure :

As we know

⇒ 15 =

⇒ 1 =

∴ CP = 1000.

Hoping that I have not made any mistakes, You're welcome.

Hope you have found my answer USEFUL. If my answer DESERVES a BRAINLIEST, do mark it, THANKS !

GeniusH

ANSWER:

she can CARRY 15 BOXES, keep LEARNING

Answer:

12/21

Step-by-step explanation:

RATIONAL number =4/7

according to QUESTION

denominator =21

so, 4*3/7*3= 12/21

Answer:

he tha FIRST of all his FRIENDS had a GOOD friend of his own and family and his friends in a very special manner and he had no idea that they had a good idea for the same thing and they were not allowed for a SECOND term and in a

Answer:

47000 because it is NEARLY EQUAL to 47000 COMPARE to 46000

Answer:

according to the question

100-5%discount = 95ruppes

so 95/100×550=522.5 RUPPES

since the SELLING price is greater than the purchased price so he MADE a PROFIT of 522.5-500= 22.5 ruppes

ANSWER:

Step-by-step EXPLANATION:

Question-:

8 SUBTRACT from the SUM of y and z

Answer-:

y+z=8

Answer: If two TRIANGLES have two pairs of sides in the same ratio and the included ANGLES are also equal, then the triangles are similar.

Step-by-step explanation:

Answer:

6.80 MILLION

or

68 LACS

Answer:

Your search - In a QUADRILATERAL ABCD, тИаD is equal to 150┬░ and тИаA = тИаB = тИаC. Find тИаA, тИаB and тИаC. - did not match any video results.

Suggestions:

MAKE sure that all words are spelled correctly.

Try DIFFERENT keywords.

Try more GENERAL keywords.

Try fewer keywords.

ANSWER:

THIRD angle = 90° and PQR is an isosceles triangle.

Step-by-step EXPLANATION:

In Δ pqr,

∠rpq = 45° , ∠rqp = 45°

Now, Using angle sum property of a triangle which states that sum of all the angles of a triangle is 180°. We get,

∠rqp + ∠rpq + ∠prq = 180°

45° + 45° + ∠prq = 180°

⇒ ∠prq = 90°

Since the two angles :  ∠rqp and ∠rpq are equal. So, the opposite sides to both the angles are ALSO equal ⇒ pr = qr

Now, In Δpqr the two sides are equal, so Δpqr is an isosceles triangle.

ANSWER:

SECOND

Step-by-step explanation:

Place value of 6 is second

<P>ANSWER:

18

Step-by-step explanation:

3(p - 9) = 27

or, 3p - 27 = 27

or, 3p = 27 + 27

or, 3p = 54

or, p = 54/3

or, p = 18

HOPE IT HELPS ✌️

PLEASE MARK THE ANSWER AS BRAINLIEST. ✍️

ANSWER:

0.0065026 is its answer

Answer:

65

Step-by-step explanation:

6andTpronounced 60 and F is FIVE

QUESTION :

• A two-digit number is 3 more than 4 times the SUM of its digits. If 18 is added to tinumber, its digits are reversed. Find the number

Answer :

Let the number be “ab”

Now ab can be WRITTEN as “10a+b”

CONDITION 1 :

10a+b =4(a+b)+3

=>10a+b=4a+4b+3

=> 6a=3b+3

=> 2a=b+1 ————equation (1)

Condition 2 :

Reversed number “ba” =10b+a

10a+b+18= 10b+a

=>9a+18=9b

=>a+2=b ————equation (2)

Compare both the equations

We get a=3,b=5

Therefore the required two digit number is 35

ANSWER:

xyfddumydnhfdhbhhhvvgg

Answer:

Answer

Let S and S

′

be the two fixed points and P be some ARBITRARY point.

Given that ∣SP−S

′

P∣=constant

The above EQUATION satisfy for any equation of HYPERBOLA with S and S

′

as its FOCI

Answer:

1300m^2

Step-by-step explanation:

dimensions of inner rect. =80-10=70m and 60-10= 50m

AREA of shaded portion = area of OUTER rect. - area of inner rect.

area of shaded portion = (80×60 - 70×50)m^2

area of shaded portion = (4800 - 3500)m^2

area of shaded portion = 1300m^2

ANSWER:

hdhdvsvsgsbssfsgshshsgs

Answer:

CRYING inside MEANS that you are hiding your EMOTIONS with somebody or the entire world. The reasons COULD be many like you DONT want to show the world that you are a weak person or it might be like you are afraid that what others will think of you once they find you crying, but just dont worry about it.

hopefully this will help you

ANSWER:

not UNDERSTOOD can not the QUESTION be SHORT

ANSWER:

here's your answer dear

Step-by-step explanation:

1 month = 30 days

45 days = 1 month 15 days as 45-30 = 15

please mark as BRANLIEST

ANSWER:

this is maths

Step-by-step EXPLANATION:

but you have WRITTEN in HINDI IDIOT

ANSWER:

Step-by-step EXPLANATION:

I am SORRY i don't KNOW

→ The BIG Bang theory is a COSMOLOGICAL model of the observable universe from the earliest known periods through its SUBSEQUENT large-scale evolution.

ItzTragicGirl❣️

Answer:

38.5

Step-by-step EXPLANATION:

MAKE me as BRAINLIST HOPE it is CORRECT

ANSWER:

87-80

I THINK this is RIGHT answer

Cost at Sport City is $180

DISCOUNT at Sport City is 15%

Discount = 15% of $180 = $27

Discount price = $153

Cost at Tennis WORLD is $200

Discount at Tennis World is 20%

Discount = 20% of $200 = $40

Discount price = $160

Sport City is OFFERING better DEAL by $7.

Answer:

480KG

Step-by-step EXPLANATION:

Weight of 1 bag = 24 Kg

Weight of 20 bags = 24×20

= 480 Kg

Therefore, 20 bags weight is 480Kg.

Answer:

Step-by-step explanation

let x and  (90-x) be the TWO complementary ANGLE.

Given, the DIFFERENCE of these two angles=14

=) x-(90-x)= 14

=) 2x= 104

=) x= 104/2

=) x=52°

Therefore,

1st angle, x=52°

2nd angle,(90-x)°= 90°-52°= 38°

Answer:

177.365

Step-by-step explanation:

1.375 + 127.084 +48.906

= 177.365

Hope it HELPED you.