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Mnenie [13.5K]
3 years ago
11

The height h, in feet, of an acorn that falls from the a branch 80 feet above the ground depends on the time t, in seconds, sinc

e it has fallen. This represented by the rule h=80-16t^2
Mathematics
1 answer:
Vikki [24]3 years ago
8 0

Answer: We know that the acorn falls from the height of 25 feet above the ground, it means the initial time when it falls is t = 0. The time when it lands on the ground is t = 1.25

Step-by-step explanation: never mind

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Three more than the quotient of a number and 8 is equal to 9
garri49 [273]

Answer:

The number is 48.

Step-by-step explanation:

x/8+3=9

x/8=9-3

x/8=6

x=6*8

x=48

6 0
3 years ago
Barbara's gross earnings for the week ending on December 21 amount to \$1,100 . Her cumulative gross earnings for the year up th
zlopas [31]

Answer:

  • b) $44

Step-by-step explanation:

Barbara's cumulative gross earnings for the year up through her last pay date amount to 55000.

As per attached table this amount falls in 4% region ($50001 - $70000).

<u>Her tax per current pay period is:</u>

  • $1100*0.04 = $44

Correct choice is b)

6 0
3 years ago
Please help me with this homework question. No silly answers please and no bots, links, etc! I will mark brainliest to whoever g
Andre45 [30]

Answer:

T = (m × 20) + 25

(2.5 × 20) + 25 = 75

<u>75 minutes</u>

110 - 25 = 85

85 ÷ 20 = 4.25

<u>4.25 kilograms</u>

6 0
3 years ago
Juan and his friends played a game in which sticky darts were thrown onto a playing board. To start the game, Juan threw a dart
evablogger [386]

Answer:

8 points:  unlikely

16 points:   impossible

more than 0 points:   likely

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Which polynomial represents twice the sum of -5x^2-x+6 and 7x^2+x-1?
elena-14-01-66 [18.8K]

The polynomial that represent twice the sum of -5x^{2} - x +6 and 7x^{2} + x -1 is : 4x^{2}+10

<h3>What is a polynomial?</h3>

A polynomial is any  algebraic expression that has the least value of the power of  its variable as 2.

When the highest value of the polynomial is 2, it is a called a quadratic expression.

Analysis:

2( -5x^{2} -x +6 + 7x^{2} +x -1)

2( 2x^{2} + 5) =

4x^{2} + 10

In conclusion, the polynomial that represents the above  expressions is 4x^{2} + 10

Learn more about polynomials: brainly.com/question/2833285

#SPJ1

7 0
2 years ago
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