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a right-angled triangle has base 2x + 1, height h and hypotenuse 3x. show that h^2 = 5x^2 - 4x - 1

initially, explain Pythagorean's Theory --> a^2 + b^2 = c^2.explain c is the hypotenuse, a and b can be either base or height.using a as base and b as height, a = 2x+1. b = h. c = 3xsubstitute into formul...
MA
Answered by Mohammad A. • Maths tutor
3640 Views

Explain how the body responds to increases and decrease in blood glucose concentration:

When the concentration of glucose in the blood increases, insulin (a hormone) is secreted by the pancreas. It binds to cells, stimulating them to increase their uptake of glucose, hence decreasing the amount...
MS
Answered by Mikhela S. • Biology tutor
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Translate these sentences into arabic:

I love Lebanon:أحب لبنان -It is a beautiful and small country : انه بلد جميل وصغير-Tourists go there to see the beach: السواح يذهبون هناك لكي يروا البحر-I visit many historic places and enjoy the food: أزور ...
DA
Answered by Dorine A. • Arabic tutor
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What's the difference between a vector and a scalar?

A scalar is a single quantity giving an "amount" of something - it only has a magnitude. For example, temperature or energy are represented by a single value. On the other hand, a vector has both m...
JC
Answered by Jasmine C. • Physics tutor
4830 Views

Show how you would calculate 53 + 39 in 8-bit binary?

First convert each number to binary. 53 = 00110101. 39 = 00100111.Then add the two binary numbers, considering each column of bits from right to left and using carry bits. 00110101 00100111 +01001110 (c)0101...
PM
Answered by Paolo M. • Computing tutor
2615 Views