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sveticcg [70]
3 years ago
6

The equation 12x + 15y = 390 represents the total revenue during a one-day fundraiser. In the equation, x represents the number

of youth T-shirts sold, and y represents the number of adult T-shirts sold. If there were 10 youth T-shirts sold, how many adult T-shirts were sold?
Mathematics
2 answers:
Mazyrski [523]3 years ago
5 0

There are 18 adult shirts sold because 12×10 is 120 and 15×18 equals 270 and 270+120 equals 390

saw5 [17]3 years ago
4 0

Answer:

18T

Step-by-step explanation:

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In the function y = 4x + 3, what is the value of the dependent variable if the value of the independent variable is 3?
emmainna [20.7K]
15=4(3)+3 so 15 is the value of the dependent variable
6 0
2 years ago
Use the remainder theorem to find which of the following is not a factor of X^3+12X^2+47X+60
posledela

Answer:

  • <u>x + 2 is not a factor</u>

Explanation:

The answer choices are:

  • a. x + 5
  • b. x + 4
  • c. x + 3
  • d. x + 2

<h2>Solution</h2>

The<em> remainder theorem</em> states that the remainder of the division of a polynomial f(x) by a factor x - a is equal to f(a).

Therefore, when f(a) = 0, the remainder is zero and x - a is a factor of the polynomial.

Then, you must find f(a) for each of the factors on the choices:

a. x + 5

⇒ a = - 5

      f(-5)=(-5)^3+12(-5)^2+47(-5)+60=-125+300-235+60=0

Since f(-5) = 0, x + 5 is a factor of the polynomial.

b. x + 4

⇒ a = - 4

     f(-4)=(-4)^3+12(-4)^2+47(-4)+60=-64+192-188+60=0

Since f(-4) = 0, x + 4 is a factor.

c. x + 3

      f(-3)=(-3)^3+12(-3)^2+47(-3)+60=-27+108-141+60=0

Since f(-3) = 0, x + 3 is a factor.

d. x + 2

       f(-2)=(-4)^3+12(-2)^2+47(-2)+60=-8+48-94+60=6

Since f(-2) ≠ 0, x + 2 is not a factor ← answer

4 0
3 years ago
Caleb bought groceries and paid $1.60 in sales tax the sales tax rate is 2.5% what was the price of Caleb's groceries before tax
Dominik [7]

Answer:$2.50

Step-by-step explanation:

Because I said so

6 0
3 years ago
Simplify the radical expression.
Artist 52 [7]
Based on the given radical expression above, the correct answer would be option B. <span>4q√14. So how did we get this answer. 
Firstly, </span>2√4q, we know that square root of 4 is 2, therefore, 2*2√q, which is 4<span>√q.
Next, we have </span>√14q. Since this two have similar terms, we can easily multiply the square roots, 4√14q^2. You see there is a q^2, square root for this would be q, which makes it now 4q<span>√14. I hope that this answer helps.</span>
8 0
3 years ago
True or false ? no fake answers please thanks :)
Talja [164]

Answer:

I’m prearranged sure it’s false.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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