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Questions in mathematics

📝 Answered - What are the first two steps to graph [tex]y=\frac{4}{5} x+2[/tex]? What is the first step? A. Plot the point [tex](0,2)[/tex]. B. Plot the point [tex](2,0)[/tex]. C. Plot the point [tex](5,4)[/tex]. D. Plot the point [tex](4,5)[/tex].

📝 Answered - Make $c$ the subject of the formula $c=-\frac{7}{3}\left[b+\frac{5}{a}(\nu-1)\right]$

📝 Answered - Homework Progress 83% 61 / 95 Marks By rounding to 1 significant figure, estimate the answers to these questions: a) $12 \times 89$ b) $157 \times 189$ c) $687 \times 894$

📝 Answered - When a number is stated as a percentage, it means that the number represents a portion of what value? A. 16 B. 50 C. 64 D. 100

📝 Answered - Factorise [tex]$5 a^2-10 a+5$

📝 Answered - If [tex]P(A)=2 / 3[/tex], [tex]P(B)=3 / 5[/tex] and [tex]P(A \cap B)=2 / 5[/tex], find [tex]P(A \cup B)[/tex]. a. [tex]\frac{13}{15}[/tex] b. [tex]\frac{12}{15}[/tex] c. [tex]\frac{7}{15}[/tex] d. None of them

📝 Answered - There are 3 blocks in an estate and 36 floors in each block. If there are 21 flats on each floor, how many packs of garbage bags should be distributed for distributing one pack of garbage bags for each flat in total? A. 756 B. 2158 C. 2168 D. 2268

📝 Answered - 74. Which of the following is not true? A) (-25)/5 = -5 B) 4/1 = 4 C) 12/0 = 12 D) 0/2 = 0 75. The place value of 5 in the numeral 18,56,22,387 A) 50 millions B) 50 lakhs C) 5 crores D) 50 crores

📝 Answered - 6.75% [tex]\Rightarrow \frac{75}{100}[/tex]

📝 Answered - Arlana, Boris, Cecile, and Diego are students in the service club. Three of the four students will be chosen to attend a conference. Which choice represents the sample space, S, for this event? $S=\{ABC, BCA, CDA, DAC\}$ $S=\{ABC, ABD, ACD, BCD\}$ $S=\{ABC, ABD, ACD, BCA, BCD, BDC, CAB, CBD, DAC, DBC\}$ $S=\{ABC, ABD, BAC, BDA, ACD, ADC, BCD, BDC\}$