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Bogdan [553]
3 years ago
12

Help please... Math hw

Mathematics
1 answer:
Montano1993 [528]3 years ago
6 0
F: $30.05

172.90-52.71=120.19
120.19/4= 30.048 rounds to $30.05

Hope this helps!
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If f(x) = x/2 + 8, what is f(x) when x = 10?i
Triss [41]

Answer: f(x) = 13

Step-by-step explanation:

When x = 10

f(10) = 10/2 + 8

= 5+8

= 13

Hope this helps!

6 0
3 years ago
Read 2 more answers
Which of the following is the simplified form of fifth root of x times the fifth root of x times the fifth root of x times the f
Juliette [100K]

Answer:

\large\boxed{x^\frac{4}{5}}

Step-by-step explanation:

\sqrt[n]{a}=a^\frac{1}{n}\Rightarrow\sqrt[5]{x}=x^\frac{1}{5}\\\\\sqrt[5]{x}\cdot\sqrt[5]{x}\cdot\sqrt[5]{x}\cdot\sqrt[5]{x}=x^\frac{1}{5}\cdot x^\frac{1}{5}\cdot x^\frac{1}{5}\cdot x^\frac{1}{5}\qquad\text{use}\ a^n\cdot a^m=a^{n+m}\\\\=x^{\frac{1}{5}+\frac{1}{5}+\frac{1}{5}+\frac{1}{5}}=x^\frac{4}{5}

4 0
3 years ago
Read 2 more answers
20 pts and brainliest
lions [1.4K]

The two solutions to the given quadratic equation are 2i/3, -2i/3 and they are both complex solutions.

Hence, option C is the correct answer.

<h3>What are the solutions to the quadratic equation?</h3>

Given the equation; 9x² + 4 = 0

First, we subtract 4 from both sides.

9x² + 4 = 0

9x² = -4

x² = -4/9

Take the square roots of both sides

x = ±√(-4/9)

Rewrite -4/9 as (2i/3)²

x = ±√(2i/3)²

x = ±(2i/3)

Hence,

x = 2i/3, -2i/3

Therefore the two solutions to the given quadratic equation are 2i/3, -2i/3 and they are both complex solutions.

Hence, option C is the correct answer.

Learn more about quadratic equations here: brainly.com/question/1863222

#SPJ1

6 0
2 years ago
What is the Solution for x?
Anarel [89]

Answer:

12

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Find a rational number halfway in between the two numbers. 7/9 and 3/4<br><br>​
AlekseyPX

Answer: 55/126

Step-by-step explanation:

For this equation, the easiest way to solve is to change the denominators, or bottom halves, of both fractions to be the same thing. The easiest way to do this is to multiply themselves with a “funny form” of one. A funny form of one is just a way of representing “1” with numbers that aren’t 1. “2/2” is a funny form of one. log(x)/log(x) is a funny form of one, etc..

(3/7)x(9/9)=27/63

(4/9)x(7/7)=28/63

These fractions are very close. If you are willing to settle for an unsimplified fraction, the answer here would be 27.5/63. If you aren’t willing to settle for the unsimplified form, we can multiply both fractions by a funny form of one again, most easily 2/2, and find the median of the two fractions.

(27/63)x(2/2)=54/126

(28/63)x(2/2)=56/126

The median of these two fractions is 55/126.

55/126 is exactly halfway between 3/7 and 4/9.

7 0
3 years ago
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