Answer:
Look on the internet , It's easy
Answer:
x = 5 and x = -19
Step-by-step explanation:
You're on the right track. It's the "discriminant" that tells you what you want to know here. Before starting, arrange the terms of your quadratic in descending orders of x: 5x^2 + 14x - 19 = 0 (Note that I assumed you meant 14x instead of just 14).
Then the coefficients of this quadratic are a = 5, b = 14 and c = -19.
You are referring to the "quadratic formula." It states this:
-b ± √(b²-4ac)
x = -----------------------
2a
So, we insert the a, b and c values as indicated above:
-14 ± √( 14² - 4[5][-19] ) -14 ± √(196 - 4[5][-19] ) -14 ± √576
x = ----------------------------------- = ---------------------------------- = ----------------------
2(10) 20 20
This comes out to:
x = (-14 + 24) / 2 and x = (-14 - 24) / 2
or:
x = 5 and x = -19
Answer:
$R = $500 + $15(t)
Step-by-step explanation:
in this question, we are told to give a mathematical expression that would model the amount of money that is made by Hillel.
from the question, we were made to understand that the amount of money he makes is a front of his time t. that is noted.
and also, he has a base cost of $500.
now, let’s write an equation;
R = $500 + 15(t)
where t represents the length of the performance as suggested by women
Since the values on both sides are different, hence graph of option C is correct.
<h3>What is inequality?</h3>
Inequality is defined as the relation which makes a non-equal comparison between two given functions.
Solutions to inequality graphs
Inequalities are an equation that does not include only the equal sign.
The system of inequalities are;
The first function is an exponential function.
Since the values on both sides are different, hence graph of option C is correct.
Learn more on inequality here:
brainly.com/question/12089993
#SPJ1
Answer:
<em>Leila would make a profit of $48</em>
Step-by-step explanation:
~ Knowing that there is some sort of proportion that can be formed through Leila and Jo's profit, we could form even a proportionality to compute the profit Leila makes given jo's profit of $60 ~
<em>If is is known that Leila: Jo, 4: 5, we could form such a proportion:</em>
4 5 ⇒ where x - Leila's profit knowing Jo's profit of $60
x 60
<em>Now let us solve for x, through cross multiplication:</em>
5x = 60 * 4,
5x = 240,
x =<em> profit of $48</em>
