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NikAS [45]
3 years ago
9

THE SEVEN APPLEWOMEN

Mathematics
2 answers:
Sliva [168]3 years ago
7 0

Answer:

  zero

Step-by-step explanation:

If the same sum is received for the sale of 20 apples at price p as is received for the sale of 140 apples at price p, then we must have ...

  20p = 140p

  120p = 0 . . . . . . subtract 20p

  p = 0 . . . . . . . . . divide by 120

The price was zero.

Assoli18 [71]3 years ago
7 0

Answer:

  • Price was 1 unit of money per each 7 apples and 3 units of money per each extra apple
  • Each woman received 20 unit of money

Step-by-step explanation:

This is the tricky one

I think 'The Seven Apple' is the hint. Let's see what the numbers have to do  with 7:

  • 20 = 7*2 + 6
  • 40 = 7*5 + 5
  • 60 = 7*8 + 4
  • 80 = 7*11 + 3
  • 100 = 7*14 + 2
  • 120 = 7*17 + 1
  • 140 = 7*20 + 0

Assume each '7 apples' sold for a fixed price x and each 'extra' apple sold for a different price y. Since all add up to make same amount, we get:

  • 2x + 6y = 5x + 5y = ... = 20x

Let x = 1, then we get y = 3

<u>So we get the sold price:</u>

  • 20 apples cost: 2*1 + 6*3 = 20
  • 40 apples cost: 5*1 + 5*3 = 20
  • ...
  • 140 apples cost: 20*1 = 20

So each apple woman got 20 units of money for their apples.

Price was 1 unit of money per each 7 and 3 units of money per each extra apple

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If seven times a number is added to the squares of the number and the result is negative twelve, what are the numbers?
AleksAgata [21]
Let's name the number 'n'. Now write an equation. 7*n +n^2 =12Now you can form a quadratic. n^2 +7n-12=0. Now you can use a myriad of methods to solve it. If you still need help, just message me. 
6 0
3 years ago
Find the maximum walking speed of a coyote with legs 0.46 m long. How much faster can a giraffe walk than a coyote?
AfilCa [17]

Answer:

7.03 ft/s

Step-by-step explanation:

To obtain speed using the model :

Speed = sqrt(gL)

L = Length of leg, g = acceleration due to gravity

Length of leg of a giraffe = 6.03

g = 9.8 m/s or 32 ft/s²

Speed of giraffe in ft/s = sqrt(32 * 6.03) = 13.89 ft/ s

Speed of coyote ; L = 0.46 m

L in feets = 0.46 * 3.23 = 1.4858 feets

s = sqrt(1.4858 * 32) = 6.895 ft/s = 6.86 ft/s

Difference in speed :

13.89 - 6.86 = 7.03 ft/s

Giraffe has 7.03ft/s more speed Than a coyote

3 0
3 years ago
Eddie O'Neil found a sports car advertised at a local used-car dealership for
ludmilkaskok [199]

Answer:

Eddie O'Neil found a car advertised at a local used-car dealership for $34,000. The car is clean and in good condition. Its average retail value is $33,400.

Step-by-step explanation:

4 0
2 years ago
Please help, I am bad at Trig
KatRina [158]

Answer:

the correct answer is A, thats when cos of ttheta is

6 0
2 years ago
Solve the equation for theta (0°≤theta&lt;360°)<br><br>2 sin theta = 1​
Oduvanchick [21]

Answer:

30 degrees

Step-by-step explanation:

To figure out theta is using a bit of simple trigonometry.

2sin(theta) = 1

= sin(theta) = 0.5

Using arcsin (sin^-1) we can isolate x

x = arcsin(0.5)

x = 30

4 0
2 years ago
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