A pharmacist has a 12% solution and a 20% solution of boric acid. How much of each should she use to make 80 grams of a 15% solu
2 answers:
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Answer:
The length on the blueprint for an actual length of 65 feet is
Step-by-step explanation:
Given:
Scale of the blueprint is
Length of one side of the house is 65 feet.
Now, as per given data;
1 foot in actual = on the blueprint.
Therefore, using unitary method, we can find find the length on the blueprint for an actual length of 65 feet by multiplying 65 and . Therefore,
Length on the blueprint for 65 feet is given as:
Therefore, the length on the blueprint for an actual length of 65 feet is
Answer:
x = ± 10
Step-by-step explanation:
to solve the equation let y = 0 , that is
100 - x² = 0 ( add x² to both sides )
100 = x² ( take square root of both sides )
± = x , that is
x = ± 10