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Triplicate Ratio

Question 13-1...

Question

Question 13

$(- 10) \times (- 5) + (- 7)$ is equal to

(a) -57
(b) 57
(c) -43
(d) 43

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Solution

$(- 10) \times (- 5) + (- 7) = {(- 10) \times (- 5)} + (- 7) = 50 + (- 7) = 50 - 7 = 43$

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(x - 3) (x - 19)

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Question 180(iii)

Simplify

${(\frac{4}{13})}^{4} \times {(\frac{13}{7})}^{2} \times {(\frac{7}{4})}^{3}$

Q. Mark (✓) against the correct answer
What should be added to 3.07 to get 3.5?

(a) .57
(b) .34
(c) .43
(d) .02

Question 180(iii)

Simplify

${(\frac{4}{13})}^{4} \times {(\frac{13}{7})}^{2} \times {(\frac{7}{4})}^{3}$

$\sqrt{10} \times \sqrt{15}$ is equal to
A) $6 \sqrt{5}$
B) $5 \sqrt{6}$
C) $\sqrt{25}$
D) $10 \sqrt{5}$

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Triplicate Ratio

Standard X Mathematics

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