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ANSWER:

DIVIDING by 2

ANSWER:

a-c =3/2

Step-by-step EXPLANATION:

SIMPLY ADD both the EQUATIONS.

2a=2c+3

so a-c= 3/2

ANSWER:

[B]22

Step-by-step explanation:

9+2+11=22

that is your answer

ANSWER:

it is POSSIBLE because in MULTIPLY or division by 0 always GIVE 0

Step-by-step explanation:

TOTAL sugar bought by shopkeeper is = 50kg;

1/4 of the 50kg sugar was SOLD = 1/4*(50) = 12.5 KG of sugar was sold out;

Total weight of sugar was LEFT = 50-12.5 = 37.5 kg

Answer:

30 deg

Step-by-step explanation:

sin alpha LIES between -1 & 1

Answer:

PERIMETER of triangular PARK = 240m

LENGTH of two SIDE are- 1) 78m

                                2) 50m

let 3rd side be          = X meter

78+50+x = perimeter of triangle

78+50+x = 240m

128+x     = 240m

x             = 240-128

x             = 112m

therefore, the length of third side is 112m . 

3(2x+1)-4(x-2)=0

6x+3-4x+8=0

6x-4x+3+8=0

2x+11=0

2x=0-11

2x=11

x=11/2

therefore the ANSWER is x=11/2

this MAY HELP you

Step-by-step explanation:

6(x÷2-5)=120

6x÷12-30=120

6x÷12=150

6x=150*12

6x=12.5

x=2.0834

ANSWER:

N will take 60 mins to complete the entire journey from Q to P.

Step-by-step explanation:

Let the two friends be “M” who will be TRAVELLING from P to Q and “N” who will be travelling from Q to P.

Let us CONSIDER the speed of M be “x” and the speed of N be “y”. Also, let them meet after “t” minutes.

Case 1: Before M & N meets each other

Distance travelled by M = x * t

Distance travelled by N = y * t

Case 2: After M & N crosses each other

Distance travelled by M = x * 54

Distance travelled by N = y * 24

Now,  

(Distance travelled by M & N before meeting each other) = (Distance travelled by M & N after CROSSING each other)

∴ x * t = x * 54 ….. (i)

And, y * t = y * 24 …. (ii)

Multiplying equation (i) & (ii), we get

xy * t² = xy * 54 * 24

or, t² = 1296

or, t = 36

Since we are required to find the time taken by N to travel the entire journey from city Q to P, therefore, N WOULD take 36 + 24 = 60 minutes to complete his entire journey.

angles of triangle = 180 degrees

so all the SIDES of the triangle will be xcm

=> x+x+x=180

=>3x=180

=>x=180/3

=>x=60 degrees

so now if we will add 60 three times then the sum will be 180 degrees

ANSWER:

PLEASE SEE the ATTACHMENT

Answer:

2cosA

Step-by-step EXPLANATION:

cosA=1-cos^2A

=sin^2A

Sin^2A+sin^2A=2cosA

Step-by-step explanation:

Hello...

This is a streamlined version of the PROOF I posted earlier. The trig identities used are:

[a] sin (π-X) = sin x ----used in step 9

[b] sin (π+x) = -sin x ----used in step 8

[c] sin (-x) = -sin x ----used in step 6 (TWICE)

[d] sin 2X = 2 sin x cos x ----used in step 4

[e] sin x cos y = (1/2)sin(x+y) + (1/2)sin(x-y) ----used in step 5 (twice)

1. cos(2π/7) + cos(4π/7) + cos(6π/7) =

2. 2sin(2π/7)[(cos(2π/7) + cos(4π/7) + cos(6π/7)] / 2sin(2π/7) =

3. [2sin(2π/7)cos(2π/7) + 2sin(2π/7)cos(4π/7) + 2sin(2π/7)cos(6π/7)] / 2sin(2π/7) =

4. [sin(4π/7) + 2sin(2π/7)cos(4π/7) + 2sin(2π/7)cos(6π/7)] / 2sin(2π/7) =

5. [sin(4π/7) + sin(6π/7) + sin(-2π/7) + sin(8π/7) + sin(-4π/7)] / 2sin(2π/7) =

6. [sin(4π/7) + sin(6π/7) - sin(2π/7) + sin(8π/7) - sin(4π/7)] / 2sin(2π/7) =

7. [sin(6π/7) - sin(2π/7) + sin(8π/7)] / 2sin(2π/7) =

8. [sin(6π/7) - sin(2π/7) - sin(π/7)] / 2sin(2π/7) =

9. [sin(π/7) - sin(2π/7) - sin(π/7)] / 2sin(2π/7) =

10. -sin(2π/7) / 2sin(2π/7) =

11. -1/2

@hardikrakholiya21

❤️.

Answer:

plzzz GIVE me brainliest ans and PLZZZZ FOLLOW me

ANSWER:

AFRICA .... ........ ......

Answer:

X = 50

Step-by-step explanation:

6(x÷2 - 5)=120

3x - 30 = 120

3x = 150

x = 50

ANSWER:

answer is (7)^-2

Step-by-step EXPLANATION:

here..,

=3√(343)^-2

=3√1/343×343

=3√1/7×7×7×7×7×7

={1/(7^6)}^1/3

=(1/7^2)

=7^-2

Answer:

LET the no. be 7X and 9x

Now,

7x + 9x = 272

16x = 272

X =272/ 16 = 17

Now,

17 × 7 = 119

119 × 9 = 1071

ANSWER:

root 225 is EQUALS to 15 is the POWER 2

ANSWER:

HOPE it HELPS you in your STUDIES.

Answer:

1

Step-by-step EXPLANATION:

is the SMALLEST NUMBER

Answer:

18+27+36+45+54+63+72+81=396

2. answer is it will take 860 MIN to fill 12 BUCKETS

ANSWER:

we @ we should GET the no to FIND UR answer

Dear Student,

◆ Answer -

Profit % = 28.57 %

● Explanation -

Suppose RAMESH SOLD an article of cost price P at a profit of x %.

If he had purchased it for 12 % LESS and sold it to 24 % more, profit % would have been 2.5 % more.

SP × 124/100 - CP × 88/100 = 2.5 (SP-CP)

1.24SP - 0.88CP = 2.5SP - 2.5CP

2.5CP - 0.88CP = 2.5SP - 1.24CP

1.62CP = 1.26SP

SP = 1.62CP/1.26

SP = 1.2857CP

Profit percentage is calculated as -

Profit % = (SP/CP - 1) × 100

Profit % = (1.2857CP/CP - 1) × 100

Profit % = (1.2857 - 1) 100

Profit % = 28.57 %

Hope that's all...

ANSWER:

Cannot be POSSIBLE on CALCULATOR ALSO

ANSWER:

(A+23)*7=364

So A+23=364/7=52

So A=52-23=29 ANS

same from my SIDE... WANT it in ENGLISH...

VALUE of

tan60= sqrt3

cos45 = 1/sqrt2

cosec45=sqrt2

sec90=INFINITY

=Tan60°) ^2+4cossqare45°+4cosecsqare60°+2secsqare90°]/[2cosec30°+3sec60°-7/3cotsqare30

=Tan60°) ^2+4cossqare45°+4cosecsqare60°+infinity]/[2cosec30°+3sec60°-7/3cotsqare30

=infinity

In the given QUESTION there is sec90 whose value is INFINITE so the and become infinity .

ANSWER:

kabutar pinjare MEIN NAHI baithte

QUESTIONS FORM NCERT book are very very IMPORTANT for EVERY EXAM...

AREA of triangle ABC = 1/2 ×BASE × HEIGHT

= 1/2 × AB × AC

= 1/2 × 4× 4

= 2 × 4

= 8 cm square

LET AD IS PERPENDICULAR TO BC

In Triangle ADB AND ADC

AD = AD ( common)

angle ADC = angle ADB ( each 90 degree)

AB = AC (Given)

Triangle ADB (congruent to). triangle ADC ( RHS criteria)

BD = CD ( cpct )

in triangle ABC , BY Pythagoras THEOREM

ABsquare + ACsquare = BC square

4 square +4 square = BCsquare

16 +16 = BCsquare

32 = BC square

:. BC = 4√2 cm

BD + CD = BC

2BD = BC (. BD = CD )

2BD = 4√2

BD = 2√2 cm

now in triangle BAD , by Pythagoras theorem

ADsquare + BD square = ABsquare

ADsquare + 2√2 square = 4 square

ADsquare + 4×2 = 16

ADsquare + 8 = 16

ADsquare = 16- 8

ADsquare = 8

.: AD = √8

.: AD = 2√2 cm

Hence length of perpendicular from A to BC = length of AD = 2√2 cm

Read more on Brainly.in - brainly.in/question/2113729#readmore

Step-by-step explanation:

2xy+(x-1)y-l

2xy+xy-y-l

3xy-y-l

The DIFFERENCE is 750-570 =180 And we have to find the percentage. 24 PERCENT

ANSWER:

PERIMETER is 28 cm

Step-by-step EXPLANATION:

Answer:

2 11/12 Kg.

Step-by-step explanation:

WEIGHT of BOXES = 5 3/4 Kg = 23/4 kg.

Weight of 1 box = 2 5/6 Kg = 17/6 kg.

Weight of 2nd box  =  23/4 - 17/6

                                 =    69 - 34

                                      ------------- = 35/12 = 2 11/12 Kg.

                                              12

Can U PLS TAKE a PHOTO of your QUESTION

Answer:

11+23=34

PLEASE MARK ME THE BRAINLIEST...

ANSWER:

-5

Step-by-step EXPLANATION:

a/5= 2-3

a/5= -1

a= -1×5

a = -5

HeyA

To measure weights SMALLER than 1 gram, we can USE MILLIGRAMS (mg) and micrograms (µg). 1000 mg = 1 g, 1000 µg = 1 mg, 1 000 000 µg = 1 g.

These are USED in SCIENCE and medicine and you may find that pills and tablets for vitamins or medicines have values of contents in mg or µg.

ANSWER:

NATIONAL RESEARCH ETHICS COMMITTEE..

What we have to do in this QUESTION it is INCOMPLETE question

HOPE IT HELPS YOU!!!!

MARK AS BRAINLIEST!!!!

ANSWER:

CP=SP× 100/100+profit /-LOSE%

but there is LESS and more both

then

CP=47790×100/100+10-18

COMES= 51945

Answer:

So simple

Step-by-step EXPLANATION:

Looks LIKE you need to GRASP the FORMULAS first

Answer:

53mins and GRANITE LTD N.H you CHOOSE the BEST of this

Because people choose their own representative as they NEED if they like their WORK then they give more chance if they don't like them then they can CHANGE their representative NEXT time.....

Answer:

An eclipse is an astronomical event that occurs when an astronomical object is temporarily obscured, EITHER by PASSING into the shadow of ANOTHER body or by having another body pass between it and the viewer. This alignment of three celestial objects is known as a syzygy.[1] Apart from syzygy, the TERM eclipse is ALSO used when a spacecraft reaches a position where it can observe two celestial bodies so aligned. An eclipse is the result of either an occultation (completely hidden) or a transit (partially hidden).

Step-by-step EXPLANATION:

MARKED price=150

discount price=25%OF150

=25×150/100

=37.5

new marked price=150-37.5=112.5