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Ask QuestionPosted by Prathmesh Hade 4 years, 10 months ago
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Posted by Veenavanka Laxmi 4 years, 11 months ago
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Yogita Ingle 4 years, 11 months ago
(i) Yes. It is possible to construct a triangle with lengths of its sides 8cm, 7cm and 4cm because the sum of two sides of a triangle is greater than the third side.
(ii) Yes. It is possible to construct a triangle with lengths of its sides 6cm, 6cm and 6cm because the sum of two sides of a triangle is greater than the third side.
(iii) No. It is not possible to construct a triangle with lengths of its sides 4cm, 4cm and 8cm because the sum of two sides is not greater than the third side i.e. 4 + 4 is not greater than 8.
(iv) Yes. It is possible to construct a triangle with lengths of its sides 3cm, 5cm and 7cm because the sum of two sides of a triangle is greater than the third side.
Posted by Tushar Kumar Behera 4 years, 11 months ago
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Posted by Manthan Thorat 4 years, 11 months ago
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Posted by Kittu Rajput 4 years, 11 months ago
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Gaurav Seth 4 years, 11 months ago
L.C.M of 5 and 7 is 35.
⇒ 2/5 = 2×7/5×7 = 14 /35.
⇒ 3/7 = 3×5/7×5 = 15/35.
By multiplying the numerator and denominator of 14/35 and 15/35 by 4.
⇒ 14/35 = 14 × 4 /35 × 4 = 56/140
⇒15/35 = 15×4 / 35 × 4 = 60 / 140.
Three rational numbers = 57/140 , 58/140 ,59/140.
Note : There are infinite rational or irrational numbers between two numbers.
Posted by Samiksha Mishra 4 years, 11 months ago
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Posted by Ankit Gulia 4 years, 11 months ago
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Posted by Himanshi Agarwal 4 years, 11 months ago
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Prathmesh Hade 4 years, 11 months ago
Yogita Ingle 4 years, 11 months ago
Let the total no. of students in the school= x
Number of students who passed Hindi= 90% of x
Number of students who passed Maths= 85% of x
and Number of students who passed both Hindi & Maths=150
N( A or B) = N(A) + N(B) - N(A and B)
let the number of students be x
100% x = 90%x + 85% x - 150
x = .9x + .85x - 150
- .75x = -150
x = 200
There are 200 students in the school
Posted by Rajathi Muthukumar 4 years, 11 months ago
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Posted by Smriti Gupta 4 years, 11 months ago
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Gaurav Seth 4 years, 11 months ago
Formula for Simple Interest
Simple interest is calculated by multiplying the interest rate by the principal amount and the time period which is generally in years. The S.I. formula is given as:
| Simple Interest (SI) = P × T × R ⁄ 100 |
After the calculation for S.I. is done, the principal has to be added to it to get the total amount that the borrower has to give or the lender will collect. This is called total amount and its formula is given as:
| A = P + S.I. |
Notations in S.I. Formula:
| S.I. | Simple Interest |
| P | Principal Amount |
| A | Total Amount |
| R | Rate of Interest |
| T | Time (in Years) |
Posted by Latha Ilango 4 years, 11 months ago
- 3 answers
Yogita Ingle 4 years, 11 months ago
Two angles of a triangle are 30°and 80°.
Sum of angles of triangle = 180°
30° + 80° + third angle = 180°
110° +third angle = 180°
third angle = 180° - 110°
= 70°
Gaurav Seth 4 years, 11 months ago
Let the third angle be x.
80 + 3 0 + x = 180 degrees.
Because we know that sum of all angles in a triangle is 180.
=> 1 1 0 + x = 1 8 0
=>x=180-110.
=>x=70 degrees.
Posted by Bhavika Sihag 4 years, 11 months ago
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Posted by Avni ? 4 years, 11 months ago
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Jay Patel 4 years, 10 months ago
Shyamal Mahajan 4 years, 11 months ago
Posted by Harshit Khangarot 4 years, 11 months ago
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Yogita Ingle 4 years, 11 months ago
Given,
Sum of 5 times x and 10 = 42
5x +10 =42
5x =42-10=32
5x =32
x =32/5.
The equation of 5 times x and 10 is 42 “ 5x+10=42”
Posted by M Girish 4 years, 11 months ago
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Yogita Ingle 4 years, 11 months ago
Linear pair is a pair of two supplementary angles. But two supplementary angles might or might not form a linear pair, they just have to "supplement" each other, that is their sum should be 180o.
There are four linear pairs formed by two intersecting lines.
Each pair form supplementary angles because their sum is 180o.
There might be two angles that sum up to 180o, but that do not form a linear pair. For example, two angles in a parallelogram that share a common side.
Posted by S.Harishkumar 7C 4 years, 11 months ago
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Sehaj Gill Sehaj Gill 4 years, 11 months ago
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Shyamal Mahajan 4 years, 11 months ago
Posted by Tiya. Nerd 🤓 4 years, 11 months ago
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Gaurav Seth 4 years, 11 months ago
Algebra is a branch of mathematics that uses letters. Letters allow us to write formulas, rules as well as define unknown quantities. Thus, these letters can represent variables. A variable means something that can vary and can change. The value of a variable that can satisfy an equation is called solution of the equation.
Posted by Tiya. Nerd 🤓 4 years, 11 months ago
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Garima Sharma 4 years, 10 months ago
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