Numerade

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A person 6 ft tall casts a shadow 7ft long. At the same time, a nearby tree casts a shadow 30ft long. Find the height of the tree.

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1. Calculate $L_f(P) = L(f; P)$ and $U_f(P) = U(f; P)$ when $f(x) = \sqrt{x}$, $x \in [0, 1]$ and $P = \{0, \frac{1}{25}, \frac{4}{25}, \frac{9}{25}, \frac{16}{25}, 1\}$.

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Algae are classified by: Their type of motility. The type of asexual spores they produce. The type of sexual spores they produce. The type of photosynthetic pigment they produce. The type of thallus they make.

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24-A mass, attached to a spring, executes Simple Harmonic Motion about its equilibrium position. At the exact moment the mass moves through its equilibrium position $ Q $, which quantity of the mass gets its maximum? A. Restoring force B. Potential energy C. Displacement D. Momentum

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The area within a microscope slide that you can see is the: Parfocal Field of View Actual Size Apparent Size

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1.- The state auditor wants to find the average salary for California City, California. A sample of 169 city employees yields a mean of $3000 per month. It is known that the standard deviation is $400. Find (a) a 90 percent confidence interval for the true mean salary. (b) a 90 percent confidence interval for the true mean salary. (b) a 99 percent confidence interval for the true mean salary. (d) How large of a sample is needed in order to have a margin of error of $200?

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$ \square $ MATH is a parallelogram. 1. $ M A \cong $ MAI 2. $ \triangle $ MAH I DASA 3. $ M S \cong M S t $ 4. $ \triangle \mathrm{THM} \cong A 5 \mathrm{H} $ 5. $ \angle A T H \cong M $ MATH 3. If $ \mathrm{MLMHHT}=100^{\circ} $, then $ \mathrm{m} \angle \mathrm{MAT} $ If $ \mathrm{M} \angle \mathrm{AMMH}=80^{\circ} $, then $ \mathrm{m} \angle \mathrm{MHT} $ 1. If $ M H=7 $, then $ A T= $ $ \qquad $ If $ A S=3 $, then $ A H= $ $ \qquad $ If $ M T=9 $, then $ S M= $ $ \qquad $

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For the correct answer choose from the list. Answer In this question you are presented with 5 blank fields that you should fill in according to their context. Read the surrounding text first, and then select your answer from the drop-down in each field. The matrix O mxn is called a zero matrix and it serves as the Select answer for the set of all mxn matrices. A square matrix is called a Select answer if all entries that not on the main diagonal are zero. The Select answer of a matrix is formed by writing its columns as rows. An Select answer 1's on the main diagonal and 0's elsewhere. Clear answer that has

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Which of the following would NOT normally be considered a radical innovation? Increased colour choice on the Volkswagen 'Beetle' car The jet turbine engine Integrated circuits Antibiotic drugs

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Which one of the following options about "Format as a Table" is accurate? Statement 1: One can find the "Format as a Table" in the 'styles' group under the "Home" tab on the Ribbon. Statement 2: One can find the "Format as a Table" in the 'Forecast' group under the "DATA" tab on the Ribbon. Both statements could be false. Statement 1 is false, and statement 2 is true. Statement 1 is true, and statement 2 is false. Both statements could be true. Which one of the following options is accurate about the advantages of "Structured reference?" Statement 1: One can refer to two columns inside the table to compute valu for a third column, which is inside the defined table. Statement 2: One can refer to two columns inside the table to compute value for a third column, which is outside the defined table. Statement 1 is false, and statement 2 is true. Both statements are true. Both statements are false. Statement 1 is true, and statement 2 is false.

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jose k.