Answer:
d > -5
Step-by-step explanation:
<u>Step 1: Subtract 15 from both sides</u>
15 + d > 10
15 + d - 15 > 10 - 15
d > -5
Answer: d > -5
Answer:
7 Artichokes
Step-by-step explanation:
To figure this out, we need to find out how much Vitamin C an average adult needs. We set up a proportion.
Now, since each artichoke is worth 9 milligrams, we divide 60 by 9.
So, to get the necessary amount of Vitamin C, we round up to 7.
Answer:
Step-by-step explanation:
Given :
...................... equation 1
........................ equation 2
solving the system of linear equation by substitution method , substitute equation 1 into equation 2 , that is
collect the like terms
therefore :
substitute into equation 1 to find the value of y , that is
Therefore :
Answer:
111.79 cm³
Picture down below with an explanation.
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Answer:
Step-by-step explanation:
Let the boy's present age be x.
Let his dad's present name be y.
Last year, his dad was 8 times as old as him. Subtract one year from each their ages and multiply the son's age by 8:
(y - 1) = 8(x - 1) ______ (1)
Now, his dad's age is the square of his age:
y = _________(2)
From (1):
y = 8x - 8 + 1
y = 8x -7
Put this in (2):
This problem has been represented in the form of a quadratic equation.