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2 years ago

10

You want to use the data from a function to make a prediction. Would a function generated by a mathematical rule or a function

lacking a mathematical rule lead to a more accurate prediction? Justify your answ

1 answer:

Kitty [74]2 years ago

8 0

Answer:

its 12

Step-by-step explanation:

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After a bride has interviewed 7 DJs to play at her wedding, her fiance tells her she needs to narrow it down to 4 DJs. In how ma

Alex17521 [72]

Answer:

840

Step-by-step explanation:

Given

$DJs = 7$

$To\ pick = 4$

Required

Determine the number of rankings

The term "ranking" as used in this question implies permutation and the required is calculated using:

$^nP_r = \frac{n!}{(n-r)!}$

Where

$n = 7$

$r = 4$

So:

$^nP_r = \frac{n!}{(n-r)!}$

$^7P_4 = \frac{7!}{(7-4)!}$

$^7P_4 = \frac{7!}{3!}$

$^7P_4 = \frac{7 * 6 * 5 * 4 * 3!}{3!}$

$^7P_4 = 7 * 6 * 5 * 4$

$^7P_4 = 840$

<em>Hence, number of ranking is 840</em>

7 0

2 years ago

Jenny climbed up 35 steps

frez [133]

Answer:

What’s the question

Step-by-step explanation:

3 0

2 years ago

A sidewalk forms the diagonal of a square park. The sidewalk is 30 meters long. To the nearest tenth of a meter, how long are th

PtichkaEL [24]

<span> <span>We can use the Pythagorean Theorem (A² + B² = C²) to solve for the lengths of the sides. We know that the diagonal, C, is 30 meters long, so C² = 900 meters. We know that since the park is square, A² + B² = 2A² = 2B²

900 = 2A²

A^2 = 450

Taking the square root of 450, we find that the lengths of A and B are roughly 21.2 meters.</span> </span>

8 0

3 years ago

Read 2 more answers

If the tape diagram represents a 10-pound bag of almonds, but a baker only uses 3/4 of a bag (the shaded region), how many pound

ale4655 [162]

Answer:

7.5 lbs.

Step-by-step explanation:

A fraction is a division problem so to turn it into a decimal you divide 3 by 4. 0.75. 0.75 multiplied by 10 lbs. is 7.5 lbs.

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2 years ago

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Show a number line 2/3 3/3

matrenka [14]

2|------|------|------|3/3 or 1 whole
1/3. 2/3

6 0

3 years ago