In her monthly tests, Mary got 20 more marks in Mathematics than in English. The total of her
2 answers:
Answer:
English test score: 55
Mathematics test score: 75
Step-by-step explanation:
Let be Mary's score on the English test.
We can say that is her score on the Mathematics test, as the score for the Mathematics test is just the English test score but 20 higher.
Since both scores add up to 130, we can set up an equation to solve for the English test score. Since we said is Mary's score on the Mathematics test,
is the total of her 2 test scores.
This means that Mary got a 55 on her English test score.
To solve for the Mathematics test score we can substitute 55 for in
.
This means Mary got a 75 on her Mathematics test.
Those are the answers
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Answer:
<em>f(10)=290</em>
Step-by-step explanation:
<u>Function Evaluation</u>
Given a function f(x) as an explicit expression, finding f(x=a) implies substituting the value of x by a in every instance it occurs.
We are given the function:
It's required to find f(10). We replace the x for 10:
Operating:
Thus, f(10)=290