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ch4aika [34]
3 years ago
15

What equation has the solution x= 5+2 square root of 7 divided 3

Mathematics
1 answer:
Paraphin [41]3 years ago
7 0
Put it in the calculator and the answer is 3.4305
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A square has an area of approximately 750 square feet. Which of the following would be the most reasonable estimate of the lengt
qwelly [4]

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c

Step-by-step explanation:

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5 0
3 years ago
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Mezclas de alimentos. Un chef repostero creó una solución de azúcar de 50 onzas constituida por 34% de azúcar con una solución d
Kay [80]

Answer:

Las cantidades empleadas para su preparación son: 15 onzas de solución al 20 % y 35 onzas de solución al 40 %.

Step-by-step explanation:

Podemos estimar la proporción de ingredientes mediante el siguiente promedio ponderado:

0.34= \frac{0.2\cdot m_{A} + 0.4\cdot m_{B}}{m_{A}+m_{B}} (1)

Donde:

m_{A} - Masa de la solución al 20 %, en onzas.

m_{B} - Masa de la solución al 40 %, en onzas.

Podemos simplificar la formula como sigue:

0.2\cdot x + 0.4\cdot (1-x) = 0.34 (2)

Donde x es la proporción de la solución al 20 % dentro de la solución final, sin unidades.

Ahora resolvemos para x en (2):

0.4-0.2\cdot x = 0.34

0.2\cdot x = 0.06

x = \frac{0.06}{0.2}

x = 0.3

Este resultado quiere decir que la solución al 34 % es el resultado de 30 % de la solución al 20 % y 70 % de la solución al 40 %. Si conocemos que la solución final tiene una masa de 50 onzas, entonces las cantidades empleadas para su preparación son: 15 onzas de solución al 20 % y 35 onzas de solución al 40 %.

4 0
3 years ago
Question 4
lukranit [14]

Answer:

Mrs.Harper bought 87.3 key chains which rounds up to 240.075

Step-by-step explanation:

5 0
3 years ago
Plz help<br> Will mark brainliest
Alexandra [31]

Answer:

(0,-1)

Step-by-step explanation:

(0,-1) will work because when you plug them is it is equivalent to 4

6 0
3 years ago
What is 0.057×10 equal
lbvjy [14]
0.057x 10 is equal to .57. All you have to do is move the decimal to the right one time because there is one zero in 10. 
8 0
3 years ago
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