Answer:
100km/h
Step-by-step explanation:
The formula for speed is:
v = x / d = 500/5 = 100km/h
√-80 can be factored out, to see which factors can be square rooted. A pair of factors would be 16 and -5, so that would be 4√-5. But, negative numbers cannot be inside a square root. So, √-1 is the same thing as <em>i</em>, or <u>imaginary number</u>. So, the expression equivalent to √-80 is 4<em>i</em>√5.
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Answer:
$1976.25
Step-by-step explanation:
Rick's monthly pay is $30,000/12 = $2500.
His total deductions are ...
180 + 37 + (6.2% +1.45% +4% +0.6%)(2500) = 217 +12.25%(2500)
= 217 +306.25 = 523.25
Rick's net pay is the difference ...
$2500 -523.25 = $1976.25 . . . . net pay for July
The value of y when x = 5 is 45
<h3><u>Solution:</u></h3>
Given that y varies directly with x. This can be written mathematically as:
y ∝ x
---- eqn 1
Where "k" is the constant of propotionality
Given y = 27 when x = 3. Substitute these values in eqn 1
<h3>k = 9</h3>
Substitute k = 9 in eqn 1
y = 9x ----- eqn 2
<u><em>To find: y = ? and x = 5</em></u>
Substitute x = 5 in eqn 2
Thus the value of y when x = 5 is 45
14^2+48^2=x^2
196+2304=x^2
2500=x^2
x=50
hypotenuse equals 50
