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Questions in mathematics

[Done] Find the product of the following monomials: a) (-5x^3y^2)(3x^3y^4)

[Done] If $k+7, 2k-2$ and $2k+6$ are three consecutive terms of an A.P., then the value of $k$ is: (A) 15 (B) 17 (C) 5 (D) 1

[Done] If 60% of a number is 120 more than 20% of the number, then 28% of the number is less than 33 1/3% of the number by? (a) 16 (b) 25 (c) 20 (d) 24

[Done] Q. Fill in the blanks: 1) 15 + 34 = ____ 2) The smallest 2-digit number is ____ 3) The place value of 7 in 9700 is ____ 4) Complete the pattern 5, 10, 15, 20, ____ 5) 999 + 0 = ____ 6) 500 + 400 = ____ 7) 88 + 65 = ____ + 65 8) Complete the pattern 100, 200, 300, 400, ____ Q. Match the following: 1) The expanded form of 9637 is a) 900 2) 1000 - 0 b) 9000 + 600 + 30 + 7 3) The smallest 3-digit number is c) 195 4) 195 + 0 d) 1000 5) 800 - 500 e) 100 6) 600 + 300 f) 300 Ans: 1) ____ 2) ____ 3) ____ 4) ____ 5) ____ 6) ____ Q. IV) State whether the following statements are 'True' or 'False': 1) The predecessor of 100 is 99. 2) The successor of 999 is 1000. 3) The successor of 1000 is 2000. 4) The sum of 500, 200 and 100 is 800. 5) The smallest 2-digit number is 1000.

[Done] [Clean the question above and then proceed with classification] $\frac{1}{1-\sqrt{7}}$ $1+\sqrt{7}$

[Done] need help with this question ​

[Done] Which function has a range of [tex]y\ \textless \ 3[/tex]? [tex]y=3(2)^x[/tex] [tex]y=2(3)^x[/tex] [tex]y=-(2)^x+3[/tex] [tex]y=(2)^x-3[/tex]

[Done] Identify the graph of [tex]f(x)=2 \sqrt{x-1}+4[/tex].

[Done] Which equation represents a circle with a center at $(-4,9)$ and a diameter of 10 units? A. $(x-9)^2+(y+4)^2=25$ B. $(x+4)^2+(y-9)^2=25$ C. $(x-9)^2+(y+4)^2=100$ D. $(x+4)^2+(y-9)^2=100

[Done] Select the choice that represents this two-variable equation after it has been solved for $y$ in terms of $x$. $\frac{1}{3} y+x=1$ A. $x=-\frac{1}{3} y+1$ B. $y=-x+\frac{2}{3}$ C. $y=-3 x+3$ D. $y=-3 x+1$ E. $y=3 x+1$