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Recent Questions

In **Mathematics** / **Middle School** | 2014-11-05

[Jawaban] Solve the inequalities: \[ 8r - 5 > 6r - 1 \] or \[ 4 + 4r < 3r - 3 \]

In **Mathematics** / **Middle School** | 2014-11-05

[Jawaban] Solve for x: \[ 2x + 22 = 12 \]

In **Business** / **High School** | 2014-11-05

[Jawaban] Which of the following are factors that can cause a shift in supply? A. Demand decreases and competition increases B. Demand increases and competition decreases C. Less availability of products and increasing market share D. Production increases and establishment of new companies

In **Mathematics** / **Middle School** | 2014-11-05

[Jawaban] Tell whether the two ratios are proportional: \[ \frac{7}{11}, \frac{42}{60} \]

In **Mathematics** / **High School** | 2014-11-05

[Jawaban] Express 0.00247 in scientific notation.

In **Mathematics** / **Middle School** | 2014-11-05

[Jawaban] What is 15 and three fourths simplified as a fraction?

In **Mathematics** / **Middle School** | 2014-11-05

[Jawaban] Solve for [tex]c[/tex]: \[ k = c + 273.15 \]

In **Chemistry** / **High School** | 2014-11-05

[Jawaban] Sequence the following types of waves from lowest frequency to highest frequency: - Radio waves - Infrared rays - Green light - Ultraviolet rays - Gamma rays

In **Mathematics** / **Middle School** | 2014-11-05

[Jawaban] Draw a model to represent the ratio 1 to 3. Describe how to use the model to find an equivalent ratio. Additionally, provide a simple explanation of ratios for someone who was absent: A ratio is a relationship between two numbers showing how many times the first number contains the second. For example, in the ratio 1 to 3, for every 1 part of the first quantity, there are 3 parts of the second quantity. An equivalent ratio is one that expresses the same relationship, such as 2 to 6, which also represents a ratio of 1 to 3 when simplified.

In **Mathematics** / **High School** | 2014-11-05

[Jawaban] Arnold had $1.70 in dimes and quarters. He had 3 more dimes than quarters. How many of each coin did he have?