2+90=? please someone help asap
2 answers:
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Given that,
y varies directly with x and y = 10 when x = 20.
To find,
The value of y when x = 15.
Solution,
Put x = 20 and y = 10
Put k = 1/2 and x = 15 to find the value of y.
So, the value of y is 7.5
A table (relation) may or may not represent a function
The table that represents a function is Hal's table
<h3><u>Tables and relations</u></h3>For a table to represent a function, then the input values must point to exactly one output value.
This means that:
Each height entry must correspond to exactly one age entry
From the given tables (see attachment), we can conclude that
Hal's table represents a function
This is so because, the age entries on this table has one corresponding one height entry
Read more about relations and functions at:
Answer:
y≤3
Step-by-step explanation:
5y+4≤22−y
<em>Step 1: Simplify both sides of the inequality.</em>
5y+4≤−y+22
<em>Step 2: Add y to both sides.</em>
5y+4+y≤−y+22+y
6y+4≤22
<em>Step 3: Subtract 4 from both sides.</em>
6y+4−4≤22−4
6y≤18
<em>Step 4: Divide both sides by 6.</em>
6y/6≤18/6
y≤3
