Mariah spent $9.50 on 9 pounds of limes and pears. Limes cost $0.50 per pound and pears cost $1.50 per pound. Let l be the numbe
2 answers:
Answer:
Mariah bought 4 pounds of lime ans 5 pounds of pears.
Step-by-step explanation:
Let l be the number of pounds of limes.
Let p be the number of pounds of pears.
Mariah spent $9.50 on 9 pounds of limes and pears.
or
.....(1)
Limes cost $0.50 per pound and pears cost $1.50 per pound.
....(2)
Putting l-9-p in (2)
1p=5
So, p = 5
And
l= 4
So, Mariah bought 4 pounds of lime ans 5 pounds of pears.
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Answer:
yes
Step-by-step explanation:
Yes this triangle is right angled and can be justified using the Pythagorean theorem. The theorem states that: . Substitute using the given values:
(9^2)+(12^2)=15^2
81 + 144 = 255
255 = 255.
It satisfies the theorem therefore it is a right angle triangle.