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icang [17]
2 years ago
8

Some animals on farms eat hay to get energy. A horse can eat twenty pounds of hay each day. Write and evaluate an expression to

find how many pounds a group of twenty horses can eat in two weeks.
A. 20 + (20×14) =?
B. 20(20×14) =?
C. 20(20×7) =?
D. 20(20+7) =?
Mathematics
1 answer:
dangina [55]2 years ago
7 0

Answer:

B

Step-by-step explanation:

20pounds/day * 14days * 20horses

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The dollar value of a car is a function, f, of the number of years, t, since the car was purchased. The function is defined by t
valentina_108 [34]

Answer:

1.) 12000

2.) 6750

3.) 2.41

Step-by-step explanation:

Given the Equation :

f(t)=12,000(3/4)^t. ; where, t = time ; f(t) = worth of car at time, t

When, car was purchased, t = 0

t = 0

f(0) = 12000(3/4)^0

= 12000 * 1

= 12000

2.)

f(2) ; this mean the worth of the car after 2 years :

f(2)=12,000(3/4)^t.

12000(3/4)^2

12000 * 0.5625

= 6750

When car will be worth 6000

f(t) = 6000

f(t)=12,000(3/4)^t.

6000 = 12,000(3/4)^t

6000 / 12000 = (3/4)^t

1/2 = (3/4)^t

Take the log of both sides :

Log(0.5) = log(0.75)^t

log(0.5) = tlog(0.75)

- 0.301029 = - 0.124938t

t = - 0.301029 / - 0.124938

t = 2.4094

t = 2.41 years

6 0
2 years ago
14 - (17 - 5) + 8 <br>I keep getting the wrong answer please help
Furkat [3]

Answer:

The answer is 10

Step-by-step explanation:

  1. 14 -(17 - 5) + 8
  2. 14 -17 + 5 + 8
  3. -3 + 13 = 10
  4. 10 is your answer.
4 0
3 years ago
Help me do this plz
Rainbow [258]

Answer:

10.25

Step-by-step explanation:

Using the pythagorean theorem

13^2 = 8^2 + (ML)^2

169 = 64 + (ML)^2

Subtract 64 from both sides

105 = (ML)^2

Take the square root of both sides

10.25 = ML

8 0
3 years ago
A total of 585 tickets were sold for the school play. They were either adult tickets or student tickets. There were 65 fewer stu
natulia [17]

Answer:

325

Step-by-step explanation:

Total Tickets = 585

Let the adult tickets be = x

If 65 fewer student tickets were sold than adult tickets then Student tickets = x-65

Student Tickets + Adult Tickets = 585

x + (x-65) = 585

x + x - 65 = 585

2x - 65 = 585

2x = 585 + 65

2x = 650

2x/2 = 650/2

x = 325

Answered by Gauthmath

3 0
2 years ago
A hive of bees contains 27 bees when it is first discovered. After 3 days, there are 36 bees. It is determined that the populati
Levart [38]

Answer:

126

Step-by-step explanation:

6 0
3 years ago
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