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Brut [27]
3 years ago
5

How to solve 5{2p-4(p+5)}=25

Mathematics
2 answers:
Gekata [30.6K]3 years ago
7 0

Answer:

p =  -  \frac{25}{2}  =  - 12 \frac{1}{2}  =  - 12.5

Step-by-step explanation:

5(2p - 4(p + 5)) = 25

2p - 4(p + 5) = 5

2p - 4p - 20 = 5

- 2p - 20 = 5

- 2p  = 5 + 20

- 2p = 25

\boxed{\green{p =  -  \frac{25}{2}  =  - 12 \frac{1}{2}  =  - 12.5}}

Hitman42 [59]3 years ago
5 0

Answer:

this is the solution of your questions don't mind my handwriting because I write it fast ⏩

Step-by-step explanation:

s

You might be interested in
A six-sided die is rolled 25 times. The number 3 appears eight times. What is the experimental probability of getting a 3?
alisha [4.7K]
<h3>Answer in fraction form = 8/25</h3><h3>Answer in decimal form = 0.32</h3><h3>Answer in percent form = 32%</h3>

We have 8 instances of "3" showing up out of 25 total rolls, which is where the fraction 8/25 comes from. Use your calculator to find that 8/25 = 0.32. Or you could multiply top and bottom of 8/25 by 4 to get 32/100 = 0.32 = 32%

5 0
3 years ago
Last year the depth of the river was 4.2 feet deep. This year it dropped 25%. Find the depth of the river this year to cross it.
Novosadov [1.4K]

Answer:

The river is 3.15 feet deep.

Step-by-step explanation:

First let's recognize what we need to find: the depth of the river

We know last year the river was 4.2 feet deep, but it dropped 25%. This means we also need to find how much it dropped. To find this, we need to know what 25% of 4.2 is. Write an equation for this.

y = 25% of 4.2

y = 0.25 • 4.2

y = 1.05

This means that the river dropped 1.05 feet. To know its depth now, we need to subtract 1.05 from 4.2. Write an equation for this.

d = 4.2 - 1.05

d = 3.15

The river is 3.15 feet deep.

Hope this helps!

4 0
3 years ago
4) How much interest does a $276 investment earn at 9% over seven<br> years?"<br> 2
Mice21 [21]

Answer: 24.84

Step-by-step explanation: 276%of 9 is 24.84

4 0
3 years ago
At a certain zoo, the average mass of one blue whale is measured to be 1.9 × 105
professor190 [17]

Answer:

2.7930 × 10^{4}

Step-by-step explanation:

1.9 × 105 × 140 = 27,930

Scientific notation: 2.7930 × 10^{4}

3 0
2 years ago
Una empresa embotelladora de gaseosas lanzará su propia bebida "Delicia" de un litro a un costo variable de S/ 2.50 por unidad,
KIM [24]

Por la ecuación de utilidad, necesitamos una producción de 7,667 botellas de un litro de capacidad para obtener un total de utilidades de S/ 30.000.

<h3>¿Cómo determinar las utilidades por la venta de bebidas gaseosas?</h3>

Las utilidades (U') se obtienen de sustraer los costes de producción (Cp) a las utilidades <em>netas</em> (U). Los costes de producción (Cp) son la suma de costes <em>variables</em> (C') y costes <em>fijos </em>(C). y la utilidades <em>netas</em> proceden de la venta de botellas. En consecuencia, tenemos la siguiente expresión:

U' = U - Cp

U' = U - C' - C

A continuación, desarrollamos y resolvemos la ecuación resultante:

30000 = 4.50 · x - 2.50 · x - 18500

1.50 · x = 11500

x = 7667

Por la ecuación de utilidad, necesitamos una producción de 7,667 botellas de un litro de capacidad para obtener un total de utilidades de S/ 30.000.

Para saber sobre utilidades: brainly.com/question/16933668

#SPJ1

6 0
2 years ago
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