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Questions in mathematics

[Jawaban] 150 ÷ (20 - 50) + 95

[Jawaban] Find each of the following products. (i) 3 × (-1) (ii) (-1) × 225 (iii) (-21) × (-30) (iv) (-316) × (-1) (v) (-15) × 0 × (-18) (vi) (-12) × (-11) × (10) (vii) 9 × (-3) × (-6) (viii) (-18) × (-5) × (-4) (ix) (-1) × (-2) × (-3) × 4 (x) (-3) × (-6) × (-2) × (-1)

[Jawaban] III. How much is 45,26,724 less than 1,00,00,000? IV. The total number of students in classes X and XII in all the schools of the state is 43,52,324. Out of these 18,40,126 are girls. How many boys are there?

[Jawaban] Write the number names for these numbers. i) 6528 ii) 9009 iii) 7256 iv) 23,671

[Jawaban] If B is a Banach space, prove that B is reflexive if and only if B* is reflexive. Prove that if B is a reflexive Banach space, then its closed unit sphere S is weakly compact.

[Jawaban] What is the value of $x$ in the equation $2.5(6 x-4)=10+4(1.5+0.5 x)$?

[Jawaban] Solve for x. $\begin{array}{c} -5(x-2)=-20 \\ x=[?] \end{array}$

[Jawaban] $x+4 y=-56$ x-intercept ([?], $\square$) y-intercept ($\square$, )

[Jawaban] Which expressions are equivalent to the given expression? $\frac{\sqrt{27}}{\sqrt{3}}$ I. $\sqrt{9}$ II. 3 III. $\frac{3}{\sqrt{3}}$ A. I and II only B. II only C. III only D. I only

[Jawaban] Which of the following is the fourth vertex needed to create a rectangle with vertices located at (5, 6), (9, 6), and (5, 3)? A. (5, -6) B. (5, -3) C. (9, -6) D. (9, 3)