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2 years ago

At the rate shown in the table, how many weeks did it take to sell 700 books? [Type your answer as a number.]

Mathematics

2 answers:

Zigmanuir [339]2 years ago

8 0

Answer:

10 weeks! hope this helped! :)

Step-by-step explanation:

70 x 10 = 700

WINSTONCH [101]2 years ago

3 0

Answer:

to sell 7000 it took 10 weeks

it took 3 weeks to sell 210 books

Step-by-step explanation:

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Find the coefficient of the x^3 in the expansion of (2x-9)^5

il63 [147K]

Use the binomial theorem:

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The x ³ terms occurs for 5 - k = 3, or k = 2, and its coefficient would be

$\dfrac{5!}{2!(5-2)!} 2^5 \left(-\dfrac92\right)^2 = \boxed{6480}$

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2 years ago

Find two additional roots of P(x)=0. 13+sqrt 3 and 7i

vova2212 [387]

So, x = 13, x = √3 and x =7i.

now, recall that for an EVEN radical, there are two possible roots, namely is say √3 is say hmmm some value "a", that means that a*a = √3, however, -a*-a is also √3, therefore, ±√3 are two valid values, and therefore -√3 is another one.

now.... keep in mind that, complex solutions or roots, never come all by their lonesome, their sister is always with them, the conjugate, so, for 7i or namely 0 + 7i, her sister is always around, 0 - 7i, which is the other root.

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3 years ago

Cup G has a diameter of 4 in. and a height of 8 in. Find the volume of Cup G.

horsena [70]

Answer:

32pi

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radius=2

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2 years ago

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The table shows the relationship between the number of Calories Lucie burns while jumping rope and the number of minutes she jum

iragen [17]

Answer:

The amount of calories Lucie will burn by jumping for 1 minute is 8 calories

Step-by-step explanation:

The given data values are;

Minutes ${}$ Calories Burned

40 ${}$ 320

80 ${}$ 640

120 ${}$ 960

160 ${}$ 1280

The value of calories burnt and the number of minutes of jump robe are seen to be directly proportional, such that we have;

40 minutes of jump rope will yield 320 calories burnt

Therefore we have;

1 minute of jump rope will yield 320/40 = 8 calories burnt

The amount of calories Lucie will burn by jumping for 1 minute = 8 calories.

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2 years ago

-4. (5 + 1) -3 + 3+ 2

antiseptic1488 [7]

Answer:

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Step-by-step explanation:

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1 year ago