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marshall27 [118]
3 years ago
5

Can you please help me , I need this grade !!

Mathematics
1 answer:
Murljashka [212]3 years ago
8 0

Answer:

2) is 5 and 6

a) is 2.2 and 2.3

b)  I know how to place \sqrt{5} because i know the square roots that \sqrt{5} is between which is \sqrt{4} and \sqrt{9} so the square root of 5 is between  2 and 3 and then you multiply the numbers between 2 and 3 which i tried to get the closest to  get the closest to 5. In which \sqrt{5} is between 2.2 and 2.3.

Step-by-step explanation:

My explanation is bad but you could probably word it better.

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Comprás 4 libras de arroz con 10$.¿Cuántos necesitas para 14 libras?​
Fofino [41]

Answer:

Alegría puede comprar 16.667 libras de arroz y 12.5 libras de azúcar con 20 pesos.

Step-by-step explanation:

Sabemos que una libra de arroz cuesta 0.60 pesos, mientras que una de azúcar cuesta 0.80 pesos. Un enfoque posible es determinar cuantas libras de arroz se obtiene por el mismo dinero para adquirir una libra de azúcar a través de una regla de tres simple:

Esto quiere decir que por cada tres libras de azúcar, se compra cuatro libras de arroz. Ahora, la cantidad de alimentos que puede comprar Alegría queda restringida al dinero disponible (20 pesos) y se describe por la siguiente ecuación:

(Ec. 1)

Donde:

- Cantidad de arroz, medida en libras.

- Cantidad de azúcar, medida en libras.

Además, la siguiente ecuación se deriva de la regla de tres del inicio del problema:

(Ec. 2)

Si aplicamos (Ec. 2) en (Ec. 1) y resolvemos la ecuación resultante, tenemos que:

De (Ec. 2) tenemos que la cantidad de arroz es:

En consecuencia, Alegría puede comprar 16.667 libras de arroz y 12.5 libras de azúcar con 20 pesos.

3 0
3 years ago
Given the function<br> Calculate the following values:<br> f( - 1) =<br> f(0)<br> f(2)=
Alecsey [184]

-1 is less than 0, so you use the first equation:

3(-1) +2 = -3+2 = -1

f(-1) = -1

For 0 use the 2nd equation:

3(0) + 4 = 0+4 = 4

f(0) = 4

For 2 use the 2nd equation:

3(2) + 4 = 6+4 = 10

f(2) = 10

6 0
3 years ago
HELP WITH MATH!!!!!!!!
Likurg_2 [28]

Answer:

28 units sqr

Step-by-step explanation:

Area of Rectangle

A= Lw = 8(4) = 32

Area of Triangle

A= \frac{b(h)}{2} = \frac{2(4)}{2} = 4

32- 4 = 28 units sqr

8 0
3 years ago
The circumference of a circular garden is 141.3 feet. What is the radius of the garden? Use 3.14 for π and do not round your ans
Olin [163]

Answer:

<h2>22.5 feet</h2>

Step-by-step explanation:

The formula for circumference is 2(3.14)r

So, we divide 141.3 by 6.28 and get 22.5

The radius is 22.5 feet.

8 0
2 years ago
Is it possible for a reasonable system of linear equations in three variables to have a
bezimeni [28]

Answer: Yes. When equations are modeled after real-world situations, they don't always result in

solutions that can be applied to the given situation, or may result in values that just don't

make sense.

Step-by-step explanation:

An unreasonable solution could be, for example, you want to make $1M in sales of your new rap song. If you sell 1 a day for .99 cents. How long will it take to make $1m? It would take 1,010,101 days or 2,767 + years. You may be living large—but you won’t live to see 2,767 birthdays so this is a solution, but an unreasonable one

8 0
3 years ago
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