Questions in mathematics

Questions in mathematics

[Free] Solve the system for $x$ and $y$. $\begin{array}{l} 6 x-y=\pi \\ 8 x-5 y=-71 \end{array}$ A. (2.19) B. 12.111 C. (9.27) D. (2.11)

[Free] Express the number in standard notation. $2.7 \times 10^4$

[Free] 1) Sandesh wants to buy a laptop worth Rs 27,459. He has Rs 24,575, so how much more will he need to buy the laptop? 2) In the first year, a sugar factory produced 2,637,356 bags of sugar. In the second year, 3,492,978 bags of sugar were produced. How many more bags of sugar did the factory produce in the second year than the first year?

[Free] 1. Use brackets to write the mathematical statements for each of the following: a. Seven multiplied by the sum of two and eight. b. Twelve multiplied by the difference of fifteen and nine. c. Fifty divided by the sum of two and eight. d. Forty-four divided by the difference of twelve and eight. 2. Simplify each of the expressions written in Q1. 3. Find the product: a. 7 × 10⁶ b. 16 × 10⁸ c. 10⁸ × 10⁹ d. 10³ × 10⁴ Math Lab Activity Objective: To learn operations on large numbers. Materials required: Flash cards numbered 0 to 9. Procedure: Ask the students to work in pairs. 4. Distribute 2 sets of digit cards (0-9) to each pair. Each student picks 8 cards randomly from the set. 5. Each student forms the largest 8-digit number using the cards picked up. 6. The students will then: - Write the number names of the two numbers in the Indian system of numeration. - Write the number names of the two numbers in the International system of numeration.

[Free] You have a bank balance of Rsh 5000 and you withdraw ksh 1500. How much money do you have left in your account? Write the situation using positive and negative integers.

[Free] Simplify: $\frac{1}{1-m+m^2}-\frac{1}{1+m+m^2}-\frac{2 m}{1-m^2+m^4}$

[Free] Solve the nonlinear inequality. Express the solution using interval notation. [tex]$\frac{x+8}{2 x-1} \geq 0$[/tex]

[Free] What are the solutions to $\log _6\left(x^2+8\right)=1+\log _6(x)$? A. $x=-2$ and $x=-4$ B. $x=-1$ and $x=8$ C. $x=1$ and $x=-8$ D. $x=2$ and $x=4

[Free] Interpreting a Solution to a System of Linear Equations Students graphed the growth rate over several weeks of two plants in their classroom. The equations of both plants are given where $x$ represents the time in weeks and $y$ represents the heights of the plants in inches. Plant A: $y=1.8 x+3.1$ Plant B: $y=2.3 x+1.9$ Approximately how many weeks will it take for both plants to reach the same height? Round your answer to the nearest tenth. A. 1.9 weeks B. 2.4 weeks C. 3.1 weeks D. 7.4 weeks

[Free] If [tex]$X: Y=4: 7$[/tex] and [tex]$Y: Z=5: 3$[/tex], find the ratio [tex]$X: Y: Z$[/tex].