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serious [3.7K]
3 years ago
10

FIRST ONE TO ANSWER GETS THE BRAINLIEST!!!

Mathematics
1 answer:
Andrei [34K]3 years ago
6 0

Answer:

A. 144 feet.

Step-by-step explanation:

f(x) = -16x^2 + 96x.

The maximum height is 144, as time (x) = 3. More than 3 seconds after, it'll fall back down.

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7n+2 = 4n+17 solve the equation
lions [1.4K]

Answer:

n = -5

Step-by-step explanation:

Solve for n:

n + 2 = 4 n + 17

Hint: | Move terms with n to the left hand side.

Subtract 4 n from both sides:

(n - 4 n) + 2 = (4 n - 4 n) + 17

Hint: | Combine like terms in n - 4 n.

n - 4 n = -3 n:

-3 n + 2 = (4 n - 4 n) + 17

Hint: | Look for the difference of two identical terms.

4 n - 4 n = 0:

2 - 3 n = 17

Hint: | Isolate terms with n to the left hand side.

Subtract 2 from both sides:

(2 - 2) - 3 n = 17 - 2

Hint: | Look for the difference of two identical terms.

2 - 2 = 0:

-3 n = 17 - 2

Hint: | Evaluate 17 - 2.

17 - 2 = 15:

-3 n = 15

Hint: | Divide both sides by a constant to simplify the equation.

Divide both sides of -3 n = 15 by -3:

(-3 n)/(-3) = 15/(-3)

Hint: | Any nonzero number divided by itself is one.

(-3)/(-3) = 1:

n = 15/(-3)

Hint: | Reduce 15/(-3) to lowest terms. Start by finding the GCD of 15 and -3.

The gcd of 15 and -3 is 3, so 15/(-3) = (3×5)/(3 (-1)) = 3/3×5/(-1) = 5/(-1):

n = 5/(-1)

Hint: | Simplify the sign of 5/(-1).

Multiply numerator and denominator of 5/(-1) by -1:

Answer: n = -5

5 0
2 years ago
Which statement is best represented by the inequality c greater-than 3 and one-half?
luda_lava [24]

Answer: Chef Andre used more than 3 and one-half cups of flour.

Step-by-step explanation:

This is the > ‘greater than sign. For the question, we are to get the inequality that shows that"c is greater-than 3 and one-half".

Let Chef Andre be represented by c. Greater than is used to denote a situation when something is."more than" another thing. In this scenario,

Chef Andre used more than 3 and one-half cups of flour. This can be represented as C > 3 1/2.

This is the correct answer.

3 0
3 years ago
Read 2 more answers
Set a different numbers that give a mean of 17.25
Ivahew [28]
Here is a set of 5 numbers that give a mean of 17.25.

Answer:
14, 11, 16, 21, 24.25
4 0
2 years ago
Thallium-210 has a half-life of 1.32 minutes. Find an equation for the percent of Thallium-210 sample that remains after t minut
Lady bird [3.3K]

Answer:

  p(t) = 100%·2^(-t/1.32)

Step-by-step explanation:

The equation for exponential decay is ...

  (remaining amount) = (initial amount)·2^(-t/(half-life))

Here, we can represent the percentage remaining by p(t) and the initial amount by 100%. Then, for a half-life of 1.32 minutes, the amount remaining is ...

  p(t) = 100%·2^(-t/1.32) . . . . . where t is in minutes

_____

Alternate functional forms are possible, such as ...

  p(t) = 100%·e^(-0.525112t)

  p(t) = 100%·0.591489^t

4 0
2 years ago
Simplify (2/3x3/5)-(3/4x1/6)​
ira [324]

Answer:

11/40

Step-by-step explanation:

2/5 − 3/4 (1/6)

2/5 − 1/8

= 11/40

4 0
3 years ago
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