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Questions in Grade Middle-school

📝 Answered - Where does the blood pick up oxygen?

📝 Answered - Solve the system of equations: \[ \begin{align*} y &= 3x + 7 \\ y &= 5x - 7 \end{align*} \]

📝 Answered - How do you create an algebraic expression with a coefficient of 7 and a constant of 4?

📝 Answered - The loss of chloroplasts would have a direct impact on a green plant's ability to ___________.

📝 Answered - What are two conditions atoms must have in order to form covalent bonds with one another?

📝 Answered - The angles of a quadrilateral measure \(80^\circ\), \(100^\circ\), \(80^\circ\), \(100^\circ\) in this order. What kind of quadrilateral has this shape? How do you know?

📝 Answered - Explain why cool rock material sinks when convection takes place in the mantle.

📝 Answered - **Part 1: Commutative Property** Which of the following equations is an example of the commutative property? A. \((3)(6+10) = 18 + 30\) B. \(18 + 30 = 30 + 18\) C. \((3)(6) + (3)(10) = 3(16)\) D. \(48 = 48\) **Part 2: Equation of a Line** Let the equation of a line be described by Equation A: \[10y - 5x = 40\] What are the y-intercept and slope of the line? A. The y-intercept is 40, and the slope is 10 B. The y-intercept is 10, and the slope is 40 C. The y-intercept is 40, and the slope is 2 D. The y-intercept is 4, and the slope is 0.5

📝 Answered - Mr. Robinson has 20 students in his martial arts class. The ratio of boys to girls is 4:1. How many boys and girls are in Mr. Robinson's class? A. 15 boys, 5 girls B. 5 boys, 15 girls C. 16 boys, 4 girls D. 4 boys, 16 girls Which of the following equations is an example of the distributive property? A. (5)(3) = (3)(5) B. 5 + 3 = 3 + 5 C. (5)(1+2) = (5)(1) + (5)(2) D. 15 = 15

📝 Answered - Joshua has to earn more than 92 points on the state test in order to qualify for an academic scholarship. Each question is worth 4 points, and the test has a total of 30 questions. Let [tex]x[/tex] represent the number of test questions. Which of the following inequalities can be solved to determine the number of questions Joshua must answer correctly? A. [tex]4x < 30[/tex] B. [tex]4x < 92[/tex] C. [tex]4x > 30[/tex] D. [tex]4x > 92[/tex]