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liberstina [14]

3 years ago

5

A bookstore orders a shipment of books. The books weigh 3.2 lb each. How much will the shipment of 100 books weigh? Write your a

nswer in scientific notation.

1 answer:

Sonbull [250]3 years ago

4 0

Answer:

3.2 × 10²

im not really good at this but hope it helps.

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Hello ! I need a solution for this exercise: either 1≤x≤2 and let A = -3 + 8 / (x + 1) -2x² Show that -9≤A≤-1

Phantasy [73]

\left[A \right] = \left[ \frac{ - \left( 5 - 3\,x - 2\,x^{2} - 2\,x^{3}\right) }{-1-x}\right][A]=[−1−x−(5−3x−2x2−2x3)] I hope helping this answer

6 0

3 years ago

Please help me with this :) i give 30 points .

Tatiana [17]

Answer:

2 B 4/75

3 B 1/7

Step-by-step explanation:

4 red, 3 blue, 2 yellow, 6 orange

total = 15

2. P(red) = red/total = 4/15

replace it

so we still have 4 red, 3 blue, 2 yellow, 6 orange

total = 15

P(blue) = blue/total = 3/15 = 1/5

P(red, replace, blue) = 4/15 * 1/5 = 4/75

3 P(orange) = orange/total = 6/15 = 2/5

not replacing it

so we have 4 red, 3 blue, 2 yellow, 5 orange

total = 14

P(orange) = orange/total = 5/14

P(orange, no replace, orange) = 2/5*5/14 = 2/14 = 1/7

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3 years ago

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Select the expression that is equivalent to (picture)

seraphim [82]

The answer to this question is x^(rt + s) since (x^r)^t becomes x^(rt) by the exponent power of a power property. Then multiplying powers of the same base results in the exponents being summed.

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3 years ago

Find the lateral surface area of the figure.

Brut [27]

Surface area of the cylinder = 816.4 sq. ft.

Solution:

Height of the cylinder = 21 ft

Diameter of the cylinder = 10 ft

Radius of the cylinder = 10 ÷ 2 = 5 ft

Use the value of $\pi$ = 3.14

Surface area of the cylinder = $2 \pi r h+2 \pi r^{2}$

Substitute the given values in the surface area formula, we get

Surface area of the cylinder $$=2\times3.14\times 5\times 21+2 \times3.14\times 5^2$

$=659.4+157$

$=816.4$ ft²

Hence the surface area of the cylinder is 816.4 sq. ft.

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3 years ago

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Simplify: 27k^5m^8/(4k^3)(9m^2)

Yakvenalex [24]

The answer to your question is 3k^2m^6/4

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3 years ago