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Vikentia [17]
3 years ago
15

Simplify. 1/2−3(12+1)2 Enter your answer, as a simplified fraction, in the box.

Mathematics
2 answers:
lisov135 [29]3 years ago
3 0

Answer: -506.5 or -253.25

Step-by-step explanation:

dexar [7]3 years ago
3 0

●✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎❀✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎●

Hi my lil bunny!

❧⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯☙

\frac{1}{2}-3\ \left(12\ +\ 1\right)^2

= \frac{1}{2}-3 (13^2)

= \frac{1}{2} - (3) (169)

= \frac{1}{2} - 507

= \frac{-1013}{2}

❧⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯☙

●✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎❀✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎●

Have a great day/night!

❀*May*❀

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Round 862 liters<br> to the nearest 10<br> liters.
Maksim231197 [3]
The answer is 860 liters. You round down to 860 because it’s closer than 870.
5 0
2 years ago
For every 1 litre of water used to make a medicine, 269ml of sucrose and 47ml of saline solution are used. Express the amount of
leonid [27]

Answer:

1000 : 269 : 47

Step-by-step explanation:

A ratio is a way of comparing the value or amount of one quantity to another.

We are to find the ration of water to sucrose to saline solution, hence, it must remain in that order.

Water : Sucrose : Saline solution

The amount of water is 1 litre (1 * 1000 ml = 1000 ml)

The amount of sucrose is 269 ml

The amount of saline solution is 47 ml

Therefore, the ratio of water to sucrose to saline solution is:

W : S : SS = 1000 : 269 : 47

Since 1000, 269 and 47 have no common factors, that is the simplest form of the ratio.

3 0
3 years ago
Pythagorean theorem??? please help me​
Verizon [17]

Answer:

25

Step-by-step explanation:

To find the missing side (in this case, the longest one/hypotenuse), we can use the equation a^2 + b^2 = c^2. By substituting out the variables, we get 7^2 + 24^2 = c^2; this can be simplified to 49 + 576 = c^2. Add, and then we know that 625 = c^2. If c squared is 625, we need to find the square root of 625, which is 25.

7 0
3 years ago
Read 2 more answers
Supongamos que las gaseosas salen $95 y las hamburguesas $50 ¿Cuál sería el costo de la compra si se realiza el día martes? ¿y s
aleksklad [387]

Answer:

See step by step explanation

Step-by-step explanation:

Costo de la compra si se realiza el martes

Costo total  =  95  +  50  =  140

a) Si la compra es el martes hay un 15 % de descuento en el total, luego entonces:

140 * 0,15  =  21 $ de descuento entonces

el costo real será:

140 - 21  =  119 $

b) Si la compra es el jueves hay un 25 % de descuento, el costo total es el mismo 95  +  50  =  140 $

el descuento es:

140* 0,25  =  35 $

el costo real será:

140 - 35  =  105 $

c) Simplemente el descuento del día jueves es mayor que el del día martes, por alguna razón (que se desconoce el dueño del establecimiento decidió tener mas descuentos el día jueves quizás porque notó que sus ventas eran más bajas ese día)

d) Si cambiaran los precios de los productos la respuesta es la misma porque no han cambiado las condiciones de descuentos, que son las que determinan el precio final

e) Si el lunes la promoción establece que  si compras 3 productos pagas 2  tenemos

Compras 3 * 95 = 285   pero te descuentan 1 te descuentan 95 $

y compras 3 * 50 = 150 pero te descuentan  1 te descuentan 50 $

total descuento  145 $ sobre total de la compra 435

145/435  =  33,33%

Esto quiere decir que el mayor descuento es el día de la promoción el lunes

6 0
3 years ago
Amy plans to spend 1/4 of his next month's income on
kifflom [539]

9514 1404 393

Answer:

  $505

Step-by-step explanation:

Assuming the listed expenses comprise all of Amy's income (x), we have ...

  (1/4)x +(1/12)x +(1/6)x + 590 +925 = x

  1515 = 1/2x . . . . . . subtract 1/2x

We note that 1/6x is for food. That amount is 1/3 of 1/2x, so the amount spent on food is ...

  (1/6)x = (1/3)(1/2x) = (1/3)(1515) = 505

Amy plans to spend $505 on food.

6 0
3 years ago
Read 2 more answers
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