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Dima020 [189]
3 years ago
14

Vera is using her phone. It's battery life is down to 1/2, and it drains another 1/8 every hour. How many hours will her battery

last?
Mathematics
1 answer:
ANEK [815]3 years ago
5 0
Four hours

In case you want to see how it's done:
1/2= 50%
1/8=12.5%

So you could multiply a small number to 12.5% or you could subtract 50% by 12.5% however many times.
You might be interested in
Stella’s farm consists of 240 acres upon which she wishes to plant pumpkins and squash.
Nutka1998 [239]

The profit is maximized whenn 80 acres of pumpkin and 160 acres of squash is cultivated to make $80000.

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more numbers and variables.

Let x represent the number of pumpkin acre and y represent the number of squash acre, hence:

x + y ≤ 240  (1)

Also:

20x + 10y ≤ 3200 (2)

The solution is at x = 80, y = 160

Maximum profit = 400x + 300y = 400(80) + 300(160) = $80000

The profit is maximized whenn 80 acres of pumpkin and 160 acres of squash is cultivated to make $80000.

Find out more on equation at: brainly.com/question/2972832

#SPJ1

3 0
2 years ago
Find the length of each arc, Round your answas to the nearest tenth. Use 3.14 for
quester [9]

Answer:

58.6 cm;

20.1 m

Step-by-step explanation:

✔️Length of arc = θ/360 × 2πr

Where,

θ = 240°

r = 14 cm

π = 3.14

Plug in the values:

Length of arc = 240/360 × 2 × 3.14 × 14

= 58.6133334 = 58.6 cm (nearest tenth)

✔️Length of arc = θ/360 × 2πr

Where,

θ = 105°

r = 11 m

π = 3.14

Plug in the values:

Length of arc = 105/360 × 2 × 3.14 × 11

= 20.1483334 = 20.1 m (nearest tenth)

3 0
3 years ago
Algunos numerod irracionales tienen representacion decimal infinta y periodica .<br>​
ANTONII [103]

Answer:Se dice que cualquier número que no se pueda expresar como una razón de dos enteros es irracional. Su representación decimal no termina ni se repite infinitamente, sino que se extiende para siempre sin repetición regular. Ejemplos de números tan irracionales son la raíz cuadrada de 2 y π.

Step-by-step explanation:

3 0
3 years ago
How do I complete this identity? sin(2θ) sin(4θ) cos(2θ) cos(4θ) = ?
egoroff_w [7]

Answer:

  • sin(20) sin(40) cos(40) cos(20)
  • [sin(20)*cos(20)]*[sin(40)*cos(40)]
  • [sin(2*20)/2]*[sin(2*40)/2]
  • [sin(40)*sin(80)]/2

8 0
4 years ago
When George purchased a new car, he paid a 4% sales tax. The amount of sales tax he paid was $840.
kati45 [8]

Answer:

I would say your answer is $873.60


Step-by-step explanation:

$840.00

Tax (4%)

$33.60

Gross Amount (including tax)

$873.60


sorry if im wrong



7 0
3 years ago
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