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Ghella [55]
3 years ago
7

Help with rate question plz. Check my answer I got d. Idk if it’s correct and show your work if my answer’s wrong or correct

Mathematics
2 answers:
Aneli [31]3 years ago
4 0
Shop A is the correct answer.
According to the table, one shirt will cost $8 (16÷2=8, 24÷3=8), so the constant rate will be 8, same as shop A.
Marianna [84]3 years ago
3 0
The answer is Shop A. Because difference is by 8.

Hope this helps.
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Determine the domain of the function f(x)=sqrt of x+3/(x+8)(x-2)
Karo-lina-s [1.5K]
Unclear.  Did you mean


<span>f(x)= [sqrt of x+3]
       --------------------
          (x+8)

or did you mean
                               3
</span><span>f(x)= [sqrt of x] + ----------
                              x+8


I will focus on the first possibility.  The domain of sqrt(x+3) is [-3,infinity).
The domain of    x+3
                          ------- is   "x is not equal to -8."
                            x+8

Then the overall domain would be simply [-3, infinity).
</span>
7 0
3 years ago
Use the quadratic polynomial x2+x−12 to answer the questions. A: Which summary correctly applies the Fundamental Theorem of Alge
Murljashka [212]

Answer:

<h3>It can be concluded that this polynomial has a degree of 2, so the equation x²+x−12=0 has exactly two root</h3>

Step-by-step explanation:

Given the quadratic polynomial  x²+x−12, the highest power in the quadratic polynomial gives its degree. The degree of this  quadratic polynomial  is therefore 2. <u>This means that the equation has exactly two solutions. </u>

Let us determine the nature of the roots by factorizing the  quadratic polynomial and finding the roots.

x²+x−12 = 0

x²+4x-3x−12 = 0

= (x²+4x)-(3x−12) = 0

= x(x+4)-3(x+4) = 0

= (x-3)(x+4) = 0

x-3 = 0 and x+4 = 0

x = 3 and -4

This shows that the  quadratic polynomial has <u>two real roots</u>

<u>It can be concluded that this polynomial has a degree of 2, so the equation x²+x−12=0 has exactly two roots</u>

7 0
3 years ago
What is the equation of a hyperbola with a = 9 and c = 12? Assume that the transverse axis is horizontal
Lorico [155]
The general equation of a hyperbola with a horizontal transverse axis is defined as:
x²/a² - y²/b² = 1

Solving for b², we use the formula: a² + b² = c²
b² = 12² - 9² = 63

Equation of our hyperbola will be:
x²/81 - y²/63 = 1
4 0
3 years ago
Which function does the graph represent?<br> (click on picture)
Crank

Answer:

B is correct

Step-by-step explanation:

7 0
3 years ago
That are equal to 4⋅10-3:
kozerog [31]
Answer: 37

Explanation:

Order of operations says you do multiplication first, you get 4 • 10 = 40

Then do subtraction, so 40 - 3 = 37

Hope this helps!
7 0
3 years ago
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