CBSE > Class 10 > Mathematics | CBSE Board | Homework Help

An amalgam is a homogeneous mixture of a metal in mercury whereas an alloy is a homogeneous mixture of two or more metals, or a metal and a non-metal, generally made for improving one or more properties of metals. Example: When sodium dissolves in mercury, it forms sodium amalgam. When zinc and copper are combined, alloy named brass is formed.

0Thank You

ANSWER

6.4 is coming ( class 10)

Posted by Daksh Raj 5 years, 1 month ago

CBSE > Class 10 > Mathematics

2 answers

Dakshika Jaimini 5 years, 1 month ago

It's not deleted ?

1Thank You

Dakshika Jaimini 5 years, 1 month ago

Yes

1Thank You

ANSWER

A cylindrical vessel open at the top

Posted by Msg Std 5 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

(Magnetic field due to the current through a circular loop )it is in the syllabus or not chapter 13 magnetic effects of electric current

Posted by ? ?? 5 years, 1 month ago

CBSE > Class 10 > Mathematics

2 answers

Harsh Nayak 5 years, 1 month ago

Yes it's in the syllabus

0Thank You

Mahesh Agarwal 5 years, 1 month ago

It is in the syllabus

0Thank You

ANSWER

After how many decimal places will the decimal representation of the rational number 229/2^2x5^7 terminate

Posted by Shobhit Raj 5 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Akash Boominathan 5 years, 1 month ago

7 as the power of 5 is 7

0Thank You

ANSWER

If the ratio of corresponding sides of two triangles is 4:9 then the ratio of their areas is

Posted by Moumitha Reddy 5 years, 1 month ago

CBSE > Class 10 > Mathematics

2 answers

Akash Boominathan 5 years, 1 month ago

Ratio of the areas is square of the ratio of the corresponding sides

2Thank You

Kiran Kumari 5 years, 1 month ago

Suppose there are two triangle ABC and PQR. if AB/PQ=4/9 Then (ABC)/ar (PQR)=(4/9)^2 =16/81

2Thank You

ANSWER

Lcm of 148

Posted by Vaibhav Singh Parmar 5 years, 1 month ago

CBSE > Class 10 > Mathematics

3 answers

Apache ?? 5 years, 1 month ago

148 = 2×2×37

0Thank You

Akash Boominathan 5 years, 1 month ago

You have to give two numbers for LCM , here's the prime factorisation: 148 - 2 × 2 × 37

1Thank You

Vaibhav Singh Parmar 5 years, 1 month ago

Pls ?

0Thank You

ANSWER

Simplify:- √1+cosθ /1-cosθ

Posted by Khushi 5 years, 1 month ago

CBSE > Class 10 > Mathematics

5 answers

Khushi 5 years, 1 month ago

Thank you³

0Thank You

Khushi Baliyan 5 years, 1 month ago

Aur whole square laga key solve kar do??

1Thank You

Khushi Baliyan 5 years, 1 month ago

Rationalise kar do

1Thank You

Ranvijay Kumar 5 years, 1 month ago

Cosec, cot

1Thank You

Adithya Dev A 5 years, 1 month ago

Multiply numerator and denominator by √1+cos to get √(1+cos)^2/√1-cos^2=1+cos/sin.

2Thank You

ANSWER

Solved sample question paper

Posted by Parminder Grewal 5 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Sin$ + Cos$ = 2 find Tan$ + Cot = ?

Posted by Prabhat Arela 5 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Mahesh Agarwal 5 years, 1 month ago

2/3

1Thank You

ANSWER

A express train takes 2hours less than a passenger train to travel a distance of 240 km if the average speed of a exress train is 20 km per hour more than that of a passenger train then form an quadric equation to find the average speed of express train

Posted by Vanshu Vanshu 5 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Adithya Dev A 5 years, 1 month ago

240/x - 240/x+20 = 2. =>x^2+20x-2400=0.

0Thank You

ANSWER

If the zeroes of the polynomial x^2+px+q are double in value to the zeroes of 2x^2-5x-3, find p and q.

Posted by Chehak Kohli 5 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Adithya Dev A 5 years, 1 month ago

p = 5 and q = -3.

1Thank You

ANSWER

Equilateral triangles are drawn on the sides of a right angled triangle in which perpendicular is double of the base. Show that the area of the triangle on the hypotenuse is the sum of the areas of the other two triangles.

Posted by Chehak Kohli 5 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

In triangle ABC, X is any point on AC. If Y, Z, U and V are the midpoints of AX, XC, AB and BC, then prove that UY is parallel to VZ.

Posted by Chehak Kohli 5 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

PA, QB, RC and SD are all perpendicular to a line l, AB = 6 cm, BC = 9 cm, CD = 12 cm and SD = 36 cm. Find PQ, QR, RS.

Posted by Chehak Kohli 5 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Determine the modal weight

Posted by Harmanjit Singh 5 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Adithya Dev A 5 years, 1 month ago

Tally, please?

0Thank You

ANSWER

in the given figure D and E trisect BC.prove that 8AE Square=3AC Square +5AD square

Posted by Daksh Gaur 5 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Find the HCF 144 and 198

Posted by Simran Kaur 5 years, 1 month ago

CBSE > Class 10 > Mathematics

4 answers

Vishal K 5 years, 1 month ago

HCF of 144 and 198 is 18

1Thank You

Mahesh Agarwal 5 years, 1 month ago

0Thank You

Khushi 5 years, 1 month ago

=18

1Thank You

Jay Rakecha 5 years, 1 month ago

144=2×2×2×2×3 198=2×33×33 2

0Thank You

ANSWER

What is standard form of equations

Posted by Imlang Saring 5 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Lata Kumari 5 years, 1 month ago

Any number can be expressed as decimal numbers between 1 and 10 multiplied by a power of 10. This form of representation is termed as the standard form

2Thank You

ANSWER

If we draw any line from the centre of the circle to the tangent, then find the angle between them

Posted by Yatharth Rana 5 years, 1 month ago

CBSE > Class 10 > Mathematics