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20551.

If a²+b²=13 and ab=6, find : 1. a+b 2. a-b​

Answer»

Answer:

3(a+B)

2

−2(a−b)

2

We know,

(a+b)

2

=a

2

+b

2

+2ab

=13+2(6)

=13+12

=25

=>(a+b)=±

25

=>(a+b)=±5

Again,

(a−b)

2

=a

2

+b

2

−2ab

=13−2(6)

=13−12

=1

=>(a−b)=±1

Putting the VALUES, we get,

3(±5)

2

−2(±1)

2

=75−2

=73

20552.

Solve triangle ABC when A=90° ,b=2 and c=2√3​

Answer»

Answer: Angle A =90° it means this is a RIGHT angled triangle so we know that

Hypotenuse square =PERPENDICULAR square+base square

Hypotenuse =✓4+12=4 answer

Side b is base and side c is perpendicular because OPPOSITE to 90° is always hypotenuse

Step-by-step EXPLANATION:

20553.

All are allowed bad peoples stay away​

Answer»

ANSWER:

For what PURPOSE ☺️☺️☺️

20554.

The coordinates of two points are p (X1,Y1) andQ(X2,Y2).Find the distance PQ​

Answer»

Step-by-step EXPLANATION:

this is the equation to find the DISTANCE between TWO POINTS

20555.

Hihoware you all bad morningto me​

Answer»

Step-by-step EXPLANATION:

NAHI bhaiya

WO bhai h

good MORNING bhaiyu how are you

20556.

HAA PUCHIYE PAUL SE PUCHIYE JOLLY SE PUCHIYEJISSE PUCHNA HAI PUCH LIJIYE CUZ KISI KO NAI PTA HAI ISS BRE ME(┛❍ᴥ❍)┛​

Answer»

Step-by-step explanation:

8272u23grg3v 3 hu392i1b3 4ry8e8wo1n2 3 378eueo

20557.

A part of the circumference of a circle is_____​

Answer»

ANSWER:

I don't KNOW this answer SORRY

20558.

Find 5 rational no.between 2/3 and 3/2 ??​

Answer»

GOOD Morning_

have a GREAT DAY AHEAD

20559.

Please give me advice which mcq book is best for mathematics class 10​

Answer»

ARIHANT MCQ BOOK is BEST

20560.

Car covers a distance of 117 km in 9 hrs. Find the speed of the car.​

Answer»

Answer:

13 KM per hour

Step-by-step EXPLANATION:

Speed  = distance DIVIDED by TIME

20561.

MAT JANIYECUZ ME BATANE BE NAI WLE HUUUAB ISS TOPIC ME OR BTE NAI CHHIYE MUJE​

Answer»

Answer:

thik hai

Step-by-step EXPLANATION:

JEEVAH aur itzpaul SE puchvaunga

20562.

Solve The Equation. 3x/4 + x/6 = -2x + 5​

Answer»

Answer:

2 MIN I will SEND it OK ok okkkkkk

20563.

In ∆ABC, ∠B = 90°, AB =9 cm, BC=40 cm, then AC = ---

Answer»

Answer:

ha ha ha ha COMPLETED the WORLD of the day of a PARTICULAR HOUSE of the other day of SCHOOL is a bit more than that of electron and abd is the following and I have not a good and I have a

20564.

What is the rational number in decimal form of 7/9? *

Answer»

Answer:

79 is one of the AWKWARD fractions which do not give an exact decimal, it recurs. 0.77777... ← the 7 recurs.

Hope it HELPS U

20565.

3. Add the following using the column method. a) 2r-7x4 + 7r and 11r - 4rt - X b) -2p - 3p- and 1 - 5p + 8p2 c) -y + 5, 2y2 + 4 and 6y – 2y2 d) r- - 12 - 1, v2 - 1- x and 1 - x? - v2 2​

Answer»

ANSWER:

ujwjwjshshsbshsbshs same to you can

20566.

Plz tell with explanation ​

Answer»

Answer:

Theorem: The diagonals of a parallelogram bisect each other. PROOF: Given ABCD, LET the diagonals AC and BD intersect at E, we must prove that AE ∼ = CE and BE ∼ = DE. The converse is also true: If the diagonals of a QUADRILATERAL bisect each other, then the quadrilateral is a parallelogram.

20567.

Find the value of K if (-5,6) is a solution of the equation 3x+ky-15=0​

Answer»

ANSWER:

-  \frac{3(x - 5)}{y}

PLEASE MARK me as BRAINLIEST

20568.

(-6/15)x7/8-(-6/15)x(-5/12) Solve answer using distributive property​

Answer»

ANSWER:

answer in picture

please SAY THANKS ALSO to me for answer

20569.

Classify all the following numbers as natural, whole. Integer rational, or irrational List all that apply. b. 0​

Answer»

Answer:

Natural numbers are the numbers

1

,

2

,

3

,

...

or the numbers

0

,

1

,

2

,

3

,

...

according to whose definition you CHOOSE. So

0

may be considered a natural number or not.

Whole numbers are the numbers

0

,

1

,

2

,

3

,

...

Integers INCLUDE negative numbers, but not fractions. So the integers are:

0

,

1

,

1

,

2

,

2

,

3

,

3

,

...

Rational numbers are any number that can be expressed as

p

q

where

p

and

q

are integers and

q

0

. So

5

,

12.42

,

17

3

and

0

are rational numbers.

There are infinitely many rational numbers, but they do not form a continuous line. The continuous line of numbers is called the real number line. It includes all the previous numbers we have mentioned, but also numbers LIKE

2

,

π

and

e

, which are not rational. Some real numbers - such as

2

- are the roots of polynomials with integer coefficients. These are known as algebraic numbers.

Irrational numbers are any real numbers that are not rational. So 0

is not an irrational number

20570.

The length and breadth of a rectangle are (a2 + ab + b2)units and (a - b) units respectively. Find the area andperimeter of rectangle.​

Answer»

ANSWER:

Here is your answer

Step-by-step EXPLANATION:

This MAY HELP you

20571.

Bye guys ! I am going to offline​

Answer»

Answer:

Outer space is not completely empty—it is a HARD vacuum containing a low density of particles, predominantly a plasma of hydrogen and helium, as well as ELECTROMAGNETIC radiation, magnetic fields, neutrinos, DUST, and COSMIC rays.

Step-by-step explanation:

PLEASE MARK ME BRAINLEIST

20572.

Lind the the 3 rational number batn i) -1 and -2​

Answer»

ANSWER:

-11/20        -12/20        -13/20

Step-by-step EXPLANATION:

MULTIPLY -1/1 * 10/10

          so same with -2 /1 * 10/10

20573.

Find six rational no.between 3 and 4 ??​

Answer»

Answer:

Six rational NUMBERS between 3 and 4 are 22/7, 23/7, 24/7, 25/7, 26/7, and 27/7.

Step-by-step EXPLANATION:

pls BRAINLIEST mark KAR de

20574.

AREEEEEEMERI ABI SHADI NAI HUE HAI YRRMTLV KUCH BE HUHKYA YRR AAP LOG BENA/(ò.ó)┛(┛❍ᴥ❍)┛​

Answer»

Answer:

24karat BOL RAHA / rahi hai ki jija JI la naam chipana kyu?

HEHE

20575.

Solve:.3(x-8)=5(2x+4)-20​

Answer»

Answer:

3x-24=10x+20-20

-24-20+20=10x-3x

-24=7x

x= -24/7

20576.

Classify all the following numbers as natural, whole, integer, rational, or irrational. List all that apply. a. 117​

Answer»

Answer:

117- is NATURAL, while, INTEGER and RATIONAL

20577.

X²- 3x = 2x (x-3) chapter 4 class 10 th ​

Answer»

Answer:

x^2-3X = 2x(x-3)

x^2 -3x = 2x^2 - 6x

-3x+6x = 2x^2 - x^2

3x = x^2

x=3

Step-by-step EXPLANATION:

Mark me BRILLIANT and thanks

20578.

A grocer purchased 80 kg of rice at rs 90 per kg and sold at rs 99 per kgfind his profit find his profit percent​

Answer»

Answer:

9

Step-by-step EXPLANATION:

We have to SUBSTRACT it.

99 - 90 = 9

20579.

If a=2, b=-5 and c=-4, find the value 2a -2b -c2​

Answer»

ANSWER:

Step-by-step EXPLANATION:

a=3,b=4 c=-6,d=-5,e=2a=3,b=4 c=-6,d=-5,e=2a=3,b=4 c=-6,d=-5,e=2a=3,b=4 c=-6,d=-5,e=2

20580.

Mind map of triangles​

Answer»

ANSWER:

PLZ MARK me BRRAINLIST plz plz mark me BRRAINLIST plz plz mark me BRRAINLIST plz plz

20581.

The coordinates of two points are p(X1,Y1) and Q(X2,Y2).Find the distance PQ.​

Answer»

Step-by-step EXPLANATION:

it's

\sqrt{(x2 - x1) { }^{2}  + (y2 - y1) {}^{2} }

this is the formula for FINDING DISTANCE between any given coordinates.

20582.

Hey!why r u not give mi response​

Answer»

ya BOLO YARR MAI todhe busy ho GAYE the

20583.

HA HA PUCH LIJIYE SAB SE CUZ MEKO KOI AACHE SE NAI JNTA NA TO MERE LIFE KE BRE ME NA TO MERI FEELINGSI HIDE EVERYTHIN✌CUX I DON'T LKE SHARIN ANYTHIN ✌​

Answer»

Answer:

24karat BOL raha / rahi hai ki teri shaadi HO gayi

Step-by-step EXPLANATION:

hehe

but you have share with us

20584.

पाचशेची वस्तू ग्राहकाला तीनशे ला मिळाली तर शेकडा सूट काढा​

Answer»

ANSWER:

PLZ MARK me BRRAINLIST plz plz mark me BRRAINLIST plz plz mark me I need ONE BRRAINLIST answer to become RANK up

20585.

(2x - 1) (x + 3) = ( x+ 6) ( x-1)​

Answer»

ANSWER:

➡️2x(X+3)-1(x+3)=x(x+6)+6(x-1)

➡️2x²+6x-x-3= x²+6x+6x-6

➡️x²-7x+3

20586.

AAP KO YE SAB JNNE ME INNE KYA UTSUKTA HAI BHEIME NAI BTA RHE YRR AAP KO YE SABPKK​

Answer»

ANSWER:

SORRY YAAR I WANT POINTS

20587.

The yearly compound interests on sum of money in 1 year and 2 years are Rs. 1800 and Rs. 3816 respectively . Calculate the rate of compound interest and the principal .

Answer»

ANSWER:

this is your answer MARK me BRAINLIEST

20588.

Pls answer pls and full solution​

Answer»

ANSWER:

I got SUPPLIES

fall BACK to SAFE ZONE

I'll drive

20589.

Percentage to decimel 0.07​

Answer»

Answer:

Change double CLICK to single click via File EXPLORER Options

Navigate to Taskbar SEARCH and type 'Folder'

Open File Explorer Options, earlier called Folder Options.

Here, under the GENERAL tab, you will see Click items as follows.

Select Single-click to open an item (point to select).

Step-by-step explanation:

please BRAINIEST me

20590.

the sum of ages of mother and her daughter is 66 years. After 12 years ratio of ages will be 2: 1. Find mothers present age.

Answer»

Step-by-step explanation:

let's SOLVE this one,

LET's the present age of mother and DAUGHTER be x and y,

Now , according to question

x+y=66

x=66-y.................1)

after 12 YEARS, their ratio will be 2:1 so,

(x+12)/(y+12) = 2/1

x+12=2(y+12)

x+12=2y+24

x-2y=12.............2)

Now, putting the value of x here, we get

66-y-2y=12

66-12=3y

54=3y

y=18

again putting the value of y in 1st equations,

x=66-18

x=48

therefore present age of mother is 48 years and daughter is 18 years..

if you like this process and ANSWER mark it as brainliest if you don't that's up to you...

thanks!!

20591.

Guys if you mark me in brain list I give you thanks​

Answer»

Answer:

hi girl how are you have a GREAT day and follow m e

Step-by-step EXPLANATION:

make me brilliant

XxAryanxX

20592.

HAA EK B.F HAI OR EK BESTI HAI❤OR EK BHAI HAI OR EK SIS HAI ME SAB KO BHT ZDA PYR KRTE HU✌☺❤​

Answer»

ANSWER:

boyfreind ka NAAM kya HAI

Step-by-step explanation:

hehe

20593.

Cost of 5 books and 7 pens is Rs 79 and cost of 7 books and 5 pens is Rs 77 .Then find the cost of 2 books and 3 pens​

Answer»

Answer:

Let the cost of 1 BOOK =x

And the cost of 1 pen =y

⇒5x+7y=79

⇒7x+5y=77

Equation (1) × 7 : 35x+49y=79×7

Equation (2) × 5 : 35x+25y=77×5

Subtract two equations ;

⇒24y=168

⇒y=7

⇒x=6

Total cost of 1 book and 2 pens =x+2y=6+14=20

20594.

What is the volume of a sphere whose radius is "r'​

Answer»

ANSWER:

May it's useful

Step-by-step EXPLANATION:

V = 4 UPON 3pai r

20595.

Thomas bought 2 tables and 8 chairs for Rs.6000. At the same rate, Mohan bought 3 tables and 10chairs for Rs.8000. Calculate the cost of one table. Calculate the cost of one chair.?​

Answer»

Answer:

Cost of one table is RS. 1000 and cost of one chair is Rs. 500

Step-by-step explanation:

Let cost of one table be X and cost of one chair be y

For Thomas

Cost of 2 tables + Cost of 8 Chairs = 6000

2x + 8Y = 6000 ---(i)

For Mohan

Cost of 3 tables + Cost of 10 Chairs = 8000

3x + 10y = 8000 ---- (ii)

Multiplying (i) with 3 and (ii) with 2 we get

6x + 24y = 18000 ---(iii)

6x + 20y = 16000 --- (iv)

Subtracting (iv) from (iii)

(6x + 24y) - (6x + 20y) = 18000 - 16000

6x + 24y - 6x - 20y = 2000

4y = 2000

y = 500

Putting value of y in (i)

2x + 8(500) = 6000

2x + 4000 = 6000

2x = 6000 - 4000

2x = 2000

x = 1000

Hence, the cost of one table is Rs. 1000 and the cost of one chair is Rs. 500.

20596.

Write the following sets using listing method:a) A={x | x ∈ I and x^2 < 10}​

Answer»

A,=,isishsm

Answer:

jihe isbejdndjd uebr UD RHR RH. under k under the up k job cartridges hug i'm HHH

20597.

In what way you help your mumma??​

Answer»

Answer Expert Verified. by helping her in HOUSEHOLD work which include chopping vegetables or BRINGING frouts and vegetables from the MARKET. u can ALDO help your mother by helping her in the kitchen work which include fixing of gas cylinder. we can also help her by doing garden work like watering plants

20598.

3 ii. Verify whether 0.3 is the multiplicative inverse of 1 3/7 or not. Justify.​

Answer»

Answer:

The process by which green plants MAKE their own food (LIKE glucose) from CARBON dioxide and water by using sunlight ENERGY (in the presence of chlorophyll) is CALLED photosynthesisThe process by which green plants make their own food (like glucose) from carbon dioxide and water by using sunlight energy (in the presence of chlorophyll) is called photosynthesisThe process by which green plants make their own food (like glucose) from carbon dioxide and water by using sunlight energy (in the presence of chlorophyll) is called photosynthesis

20599.

If cube of 19=6859, find √0.006859 *

Answer»

ANSWER:

sabOAc fmcliehacoiewhx8oobdohclweno9iehq9dheqojqupdhoehqoiebehqdouedoue

20600.

If root 5329 is 73 then the value of root 5329 + root 0.5329 + root 0.005329 + root 0.00005329 is​

Answer»

HOPE it's HELPFUL

MARK as BRAINLIEST