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Dovator [93]
3 years ago
7

Ronna answered 18 of the 20 questions on her second math test correctly. On the first test, she had answered only 15 of 20 quest

ions correctly. What was the percent increase in her score from her first test to the second test? A. 15% B. 35% C. 75% D. 90
Mathematics
1 answer:
lakkis [162]3 years ago
4 0

Answer:

A: 15%

Step-by-step explanation:

First test:

15 ÷ 20 = 0.75

0.75 * 100 = 75%

Second Test:

18 ÷ 20 = 0.9

0.9 * 100 = 90%

90% - 75% = 15%

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4 years ago
Compré 5 distintos tipos de semillas de flores para sembrarlas en el jardin una tras de otra.
Colt1911 [192]

Responder:

120 maneras.

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El numero de formas de organizar, n, a diferencia de los objetos en una linea es n!

Entonces, para sembrar 5 tipos diferentes de flores, serian 5!

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Hablo ingles y escribo ingles. Espero que entiendas. Acabo de utilizar el traductor de Google para intentar que la respuesta sea mas clara para ti :).

Por favor, califique con 5 estrellas, gracias, y deme lo mejor (Brainliest). Gracias.

8 0
3 years ago
What number is equivalent to 3/4 b-2/3 b =-9
Shtirlitz [24]
Hi,

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Answer: -7.42

Hope this helps.
r3t40
5 0
3 years ago
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