Answer:
£4.80
Step-by-step explanation:
Total amount = £3.20
Ratio = 2 : 3
Old : New = 2 : 3
3.20 : x = 2:3
x = £ 4.80
Which equation has no solution?
2 answers:
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Answer:
Step-by-step explanation:
GIVEN: A bag contains red
green
orange and
purple candies, without looking Ann pulls one piece of candy out of the bag.
TO FIND: what is the probability that she pulls out a purple piece of candy.
SOLUTION:
Total number of candies in the bag
Total number of purple candies in the bag
Now,
Probability that Ann pulls out a purple piece of candy
putting values,
Hence, the probability that she pulls out a purple piece of candy is
Answer:
To prove that the triangle is a right- isosceles triangle, prove that
- There is a right angle in the triangle
- Two sides of the triangle are equal in length
Another way to prove that angle YXZ is a right angle is to calculate the length of XY, XZ and YZ using the distance formula. Then show that (YZ)² = (XY)² + (XZ)².
By the inverse of Pythagoras' Theorem, ∡YXZ is a right angle.
*The product of the gradients of 2 perpendicular lines= -1.
Please see the attached pictures for full solution.
