3 years ago

Question 7

Mathematics

1 answer:

Colt1911 [192]3 years ago

7 0

Answer:

Step-by-step explanation:

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In ΔLMN, n = 910 inches, ∠L=64° and ∠M=31°. Find the length of l, to the nearest 10th of an inch

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In a clothing store, 65% of the customers buy a shirt, 30% of the customers

diamong [38]

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Step-by-step explanation:

List out known probabilities

$\Pr(shirt) = 0.65 = \frac{65}{100} = \frac{13}{20}\\ \Pr(pants) = 0.40 = \frac{30}{100} = \frac{6}{20}\\\Pr(shirt \cap pants) = 0.20 = \frac{20}{100}=\frac{1}{5}$

recall equation

$\Pr(A \cup B)=\Pr(A)+\Pr(B)-\Pr(A \cap B)$

Plug in values

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krek1111 [17]

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Which expression is equivalent to 3√50 × √22 ?

8_murik_8 [283]

$\longrightarrow{\green{C.\:30 \sqrt{11} }}$ ✔

$\large\mathfrak{{\pmb{\underline{\red{Step-by-step\:explanation}}{\orange{:}}}}}$

$3 \sqrt{50} \times \sqrt{22} \\ \\ = 3 \sqrt{50 \times 22} \\ \\ = 3 \sqrt{1100} \\ \\ = 3 \sqrt{2 \times 2 \times 5 \times 5 \times 11} \\ \\ = 3 \sqrt{ {2}^{2} \times {5}^{2} \times 11} \\ \\ = 3 \times 2 \times 5 \sqrt{11} \\\\ = 30 \sqrt{11}$

$\bold{ \green{ \star{ \orange{Mystique35}}}}⋆$

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