Questions in mathematics

Questions in mathematics

[Jawaban] Calculate: 11 times \(4 \frac{1}{3}\)

[Jawaban] If \( x = -3 \), calculate the value of: \( x^3 + x \).

[Jawaban] Recently in the United States, there were about 300,000,000 cell phone users. That same year, there were about [tex]5.7 \times 10^9[/tex] cell phone users worldwide. About how many times larger was the number of cell phone users worldwide than in the United States? Please provide steps.

[Jawaban] Given: - L is the midpoint of KM - M is the midpoint of LN Prove: - KL = MN

[Jawaban] Shane's neighbor pledged $1.25 for every 0.5 miles that Shane swims in the charity swim-a-thon. If Shane swims 3 miles, how much money will his neighbor donate?

[Jawaban] A bank charges $3 each time you use an out-of-network ATM. At the beginning of the month, you have $1500 in your bank account. You withdraw $60 from your bank account each time you use an out-of-network ATM. Write and graph a linear equation that represents the balance in your account after you use an out-of-network ATM [tex]$x$[/tex] times.

[Jawaban] Write an algebraic expression that is equivalent to the expression: \[ \cos \left( \arcsin \left( \frac{x-h}{r} \right) \right) \]

[Jawaban] Solve the following system of equations by elimination: 1. \( x - y - 2z = 4 \) 2. \( -x + 2y + z = 1 \) 3. \( x + y - 3z = 11 \)

[Jawaban] There are 21 males in the Algebra 1 class. If 75% of the class is female, how many students are there in total?

[Jawaban] Ramiro is \(\frac{3}{10}\) as tall as the flagpole. The flagpole is \(\frac{5}{9}\) as tall as the nearby tree. The tree is \(32 \frac{2}{5}\) feet tall. How tall is Ramiro?