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oksian1 [2.3K]
3 years ago
6

Kenji earned the test scores below in English class. 79,91,93,85,86 and 88. After his next test, his mean and median scores both

change to 88. How much does he earn on this test?
Mathematics
1 answer:
Neko [114]3 years ago
3 0

Answer:

fishsticks

Step-by-step explanation:

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Se vende2 usb en 60 soles cada uno. En una se ganó el 20% y en la otra se perdió el 20% ¿Se ganó o se perdió en total y cuánto?
aniked [119]
Voy a responder en el mismo idioma en que está la pregunta.

1) Venta con ganancia

Precio de venta 60 soles.

Ganancia = 20% del costo => costo + 0,20 * costo =  precio

=> costo (1 + 0,20) = precio = 60 soles

=> costo (1,20) = 60 soles => costo = 60 soles / 1,20 = 50 soles

2) Venta con pérdida del 20%

Pérdida = 20% del costo

=> costo - precio = 20% * costo => costo - 0,20*costo = precio

=> costo ( 1 - 0,20) = 60 soles => costo * 0,80 = 60 soles

=> costo = 60 soles / 0,80 = 75 soles

3) Costo total = 50 soles + 75 soles = 125 soles

4) Ganancia total = valor total de venta - costo total

Ganancia total = 2 * 60 soles + 125 soles = 120 soles - 125 soles = - 5 soles.

El signo negativo significa que al final se perdió 5 soles en la operación.
8 0
3 years ago
A triangle has an area of 72 square inches. If the base of the triangle has a length of 18 inches, what is the height of the tri
Alecsey [184]
It could be 8 since 8x18= 144 and 144 divided by 2 is 72
8 0
3 years ago
What is the equivalent to 16 to the 3/4 root
pshichka [43]
<span>√<span><span>​<span>2x−5</span></span>​<span>​​</span></span></span>=<span>7             3/4 
 rate if that help </span>
8 0
3 years ago
What are the answers to these aswell mb?
docker41 [41]

Answer:

4 is D = 23

Step-by-step explanation:

the coefficient is the number before the letter

5 0
3 years ago
If f(x) = 6x2 - 4 and g(x) = 2x + 2, find (f - g)(x).
Dafna11 [192]

Answer:

6x² - 2x - 6

Step-by-step explanation:

note (f - g)(x) = f(x) - g(x), thus

f(x) - g(x)

= 6x² - 4 - (2x + 2) ← distribute

= 6x² - 4 - 2x - 2 ← collect like terms

= 6x² - 2x - 6

7 0
3 years ago
Read 2 more answers
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