2 years ago

The discount price of a hat is $18. What is the regular price?

1 answer:

6 0

20

Mark brainliest please

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Anuta_ua [19.1K]

$\bf f(x)=x^2-5\qquad \qquad f(2y)=(2y)^2-5\implies f(2y)(2^2y^2)-5
\\\\\\
f(2y)=4y^2-5$

4 0

3 years ago

navik [9.2K]

The answer is the option d, which is: d) $\frac{-77+21i}{130}$

The explanation for this problem is shown below:

1. Smplify the denominator and rewrite the numerator in this form:

$\frac{7i}{7-2i-4-9i} \\\frac{7i}{3-11i}$

2. Multiply the denominator and the numerator by the conjugated $(3+11i)$ and simplify the expression, as following:

$\frac{7i(3+11i)}{(3-11i)(3+11i)} \\ \frac{21i+77i^{2}}{121+9} \\ \frac{-77+21i}{130}$

3. As you can see, you obtain the expression shown in the option mentioned above.

3 0

3 years ago

elena-s [515]

7 cheese:8
7 pepperonis:3
7 veggie:1
8 cheese:4
8 pepperoni :5
8 veggie:3

7 0

3 years ago

mixer [17]

I don’t know what the question is, your just saying that

4 0

3 years ago

Rus_ich [418]

Answer:

Step-by-step explanation:

imagine 38 n = lets say b

so b/b/b/b/b

and divide that by 38

5 0

2 years ago