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3 years ago

HELP ME PLZ!!!!!!!!!!!!!!!!!!

Mathematics

1 answer:

Greeley [361]3 years ago

6 0

Answer:

A) 2 adults ....

B) 2% of adults.....

C) 3 % of adults...

Step-by-step explanation:

All the adults are 100 do any numbers past or under is like deciding by 100

Hope I helped

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Solve the equation -4x^3=32

miss Akunina [59]

Answer:

-2

Step-by-step explanation:

-4x^3 = 32

x^3 = -8

take the cube root of both sides.

x = -2

6 0

2 years ago

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On Friday, there were x students at the baseball game. On Monday, there were half as many students at the game as there were on

gayaneshka [121]

Answer:

$2\frac{1}{2}x - 32$

Step-by-step explanation:

On Friday, there were x students at the baseball game.

On Monday, there were 1/2 as many students, that is: x/2 students

On Wednesday, there were 32 fewer students at the game as there were on Friday, that is x - 32.

Tickets are sold for each student. Therefore, the number of tickets sold on all three days will be the same as the number of students that were at the games on the three days.

The number of students present on the three days is:

x + x/2 + x - 32

$= 2x + \frac{1}{2}x - 32\\ \\= 2\frac{1}{2}x - 32$

The number of tickets sold can therefore be represented by $2\frac{1}{2}x - 32$

4 0

3 years ago

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Find a cubic function f(x) = ax3 + bx2 + cx + d that has a local maximum value of 3 at x = −3 and a local minimum value of 0 at

Amiraneli [1.4K]

Answer:

The cubic function is f(x) = (27/32)·x - 3/32·x³ - -9/32·x² - 9/32

Step-by-step explanation:

The given function is f(x) = a·x³ + b·x² + c·x + d

By differentiation, we have;

3·a·x² + 2·b·x + c = 0

3·a·(-3)² + 2·b·(-3) + c = 0

3·a·9 - 6·b + c = 0

27·a - 6·b + c = 0

3·a·(1)² + 2·b·(1) + c = 0

3·a + 2·b + c = 0

a·(-3)³ + b·(-3)² + c·(-3) + d = -3

-27·a + 9·b - 3·c + d = -3...(1)

a + b + c + d = 0...(2)

Subtracting equation (1) from equation (2) gives;

28·a - 8·b + 4·c = 3

Therefore, we have;

27·a - 6·b + c = 0

3·a + 2·b + c = 0

28·a - 8·b + 4·c = 0

Solving the system of equations using an Wolfram Alpha gives;

a = -3/32, b = -9/32, c = 27/32 from which we have;

a + b + c + d = 0 3 × (-3/32) + 2 × (-9/32) + (27/32) + d = 0

d = 0 - (0 3 × (-3/32) + 2 × (-9/32) + (27/32)) = -9/32

The cubic function is therefore f(x) = (-3/32)·x³ + (-9/32)·x² + (27/32)·x + (-9/32).

4 0

3 years ago

1/4 divides by 5/13=?

katrin2010 [14]

1/4 dividend by 5/13 is the same as
1/4 multiplied by 13/5 it’s inverse
1 x13 / 4x 5 = 13/20

8 0

3 years ago

Janet sees this tag on a $70 hand bag. How much is the new price of the bag?

rjkz [21]

The cost is $45.50 for the bag

3 0

3 years ago

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