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myrzilka [38]
3 years ago
5

If 10% of a number is 8, what is 50% of the number?

Mathematics
2 answers:
Over [174]3 years ago
7 0

Answer:

50% of the number is 40

Step-by-step explanation:

8 * 5 = 40

lora16 [44]3 years ago
5 0

Answer:

10/100 x=8

10x=800

x=8

50/100 x 8

1/2 x 8

4

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Caio comprou uma lembrancinha para todos os seus amigos e gastou R$12,50. Qual fração pode representar esse valor? 125/2 25/5 12
sineoko [7]

Answer:

25/2

Step-by-step explanation:

Caio comprou uma lembrança para todos os amigos e gastou R $ 12,50.

Comparando e resolvendo as opções dadas a nós,

a) 125/2 = 62,5

A opção a está errada

b) 25/5 = 5

Opção b está errada

c) 125/5 = 25

A opção c está errada

d) 25/2 = 12,50

A opção d está correta

Portanto, a fração que pode representar este valor é 25/2

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2 years ago
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Katyanochek1 [597]
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2 years ago
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In a fast food study a researcher finds that mean sodium content of 32 Wendy's fish sandwiches is 1080 milligrams with a standar
KiRa [710]

Answer:

Since 95% confidence interval contains 0 we conclude at 95% confidence level that the two means are equal.

Step-by-step explanation:

Given that in a  fast food study a researcher finds that mean sodium content of 32 Wendy's fish sandwiches is 1080 milligrams with a standard deviation of 75 milligrams. The mean sodium content of 39 Long John Silver's fish sandwiches is 1120 milligrams with a standard deviation of 100 milligrams

H0: The two means are equal

Ha: The two means are not equal

(Two tailed test at 5% level)

Variable A Variable B

Mean 1080.00 1120.00

SD 75.00 100.00

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N 32 39

95% CI: -82.65 to 2.65

Since 95% confidence interval contains 0 we conclude at 95% confidence level that the two means are equal.

7 0
2 years ago
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MakcuM [25]

Answer:

D

Step-by-step explanation:

You started at level ground and then went deeper which represents the negatives. After you stick a five foot pole in there it sticks up 2 feet.

7 0
3 years ago
Ou pick a card at random. Without putting the first card back, you pick a second card at random.
Arte-miy333 [17]
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The directions say that the card is not replaced. Therefore, once you pick the 6, there would be no more even cards.
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