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marshall27 [118]
3 years ago
6

How many more cupcakes are needed to fill this box?

Mathematics
1 answer:
Pavel [41]3 years ago
5 0

Answer:

where is the box ?

Step-by-step explanation:

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Son proporciones.<br> cual es el resultado de :x/2,5=y/5 si x+y=6
omeli [17]

Respuesta: x/2,5=y/5=4/5=0,8


x/2,5=y/5

Multiplicando ambos lados de la ecuación por 5:

5(x/2,5)=5(y/5)→2x=y→y=2x

Sustituyendo y por 2x en la ecuación x+y=6:

x+2x=6

Resolviendo para x: Sumando términos semejantes:

3x=6

Dividiendo ambos lados de la ecuación entre 3:

3x/3=6/3

x=2

Sustituyendo x por 2 en la formula y=2x

y=2(2)→y=4

Determinando la proporción:

x/2,5. Sustituyendo x por 2:

2/2,5

Multiplicando numerador y denominador por 2:

2*2/(2,5*2)=4/5

La proporción es 4/5=0,8

Si lo hacemos con y:

y/5

Reemplazando y por 4:

4/5=0,8 (la misma proporción)


7 0
3 years ago
Which of the following is the graph of the quadratic function y=x^2-6x-16
stepladder [879]

Answer:

this is the graph to the equation :) hope this helps in all ways possible:)

Step-by-step explanation:

5 0
4 years ago
A cube. The top face has points A, G, E, F and the bottom face has points B, H, D, C. The diagonal from A to E is StartRoot 288
arlik [135]

Answer:

The answer to this question is 12 inches.

Step-by-step explanation:

This is because 288 + b^2 = 432. After further calculations you can conclude that b = 12.

6 0
3 years ago
Read 2 more answers
A dairy farmer wants to mix a 85% protein supplement and a standard 55% protein ration to make 1200 pounds of a high-grade 80% p
mr_godi [17]

The diary farmer should use 1000 pounds of 85 % protien and 55 % of 200 pounds to make 1200 pounds of a high-grade 80% protein ration

<em><u>Solution:</u></em>

Let the amount of 85 % protien supplement be "x"

Then amount of 55 % protien be (1200 - x)

According to given question,

85 % of "x" protien supplement + 55 % of 1200 - x protien used to get 80 % of 1200 pounds

85 % of x + 55 % of (1200 - x) = 80 % of 1200

\frac{85}{100} \times x + \frac{55}{100} \times (1200 - x) = \frac{80}{100} \times 1200\\\\0.85x + 0.55(1200 - x) = 960\\\\0.85x + 660 - 0.55x = 960\\\\0.3x = 960 - 660\\\\0.3x = 300\\\\x = 1000

Pounds of 85 % protien used = 1000 pounds

Then pounds of 55 % protien used = 1200 - 1000 = 200 pounds

Thus he should use 1000 pounds of 85 % protien and 200 pounds of 55 % protien to get 1200 pounds of a high-grade 80% protein ration

7 0
3 years ago
Use a calculator to solve this problem: 28 + 27 × 36 A. 792 B. 1000 C. 1980
fenix001 [56]

Answer:

B.1000

Step-by-step explanation:

3 0
4 years ago
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