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Nimfa-mama [501]
3 years ago
9

In the middle school debate club, 30% of the members are in sixth grade. If there are 12 sixth graders in the debate club, how m

any total members are there?
HELPP!
Mathematics
2 answers:
Alex3 years ago
8 0
40 members
x * 0.3 = 12

x = 12 / 0.3 = 40

12 is 30% of the number 40
cupoosta [38]3 years ago
5 0
The answer to this would be 40 because you multiply 12x0.30 and get 40 which mean 12 is 30% of 40 total
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James estimated the total cost of groceries to be $50. The actual cost of the groceries is $65. What is the percent error? Round
Yuki888 [10]

The percentage error is 23%

Explanation:

The estimated total cost of the groceries = $50

The actual cost of the groceries = $65

To find the error value, we need to subtract the value of actual cost and total cost of the groceries.

Thus,

error value = actual cost - total cost

error value = 65-50=15

Hence, error value = $15

The formula to determine the percent error is given by

Percent error $=\left(\frac{\text { error value}}{\text {actual value}}\right) \times 100$

Substituting the values in the formula, we get,

$\begin{aligned} \text { Percent error } &=\left(\frac{15}{65}\right) \times 100 \\ &=0.231 \times 100 \\ &=23.1 \end{aligned}$

Rounding off the value, we have, 23%

Thus, the percentage error is 23%

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3 years ago
Death Valley is the location of the lowest land elevation in the USA which is 282 feet below sea level.The location with the hig
il63 [147K]

Answer:

20,038

Step-by-step explanation:

20,320 - 282

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3 years ago
I WILL GIVE BRAINLIEST to who answers this question right
nydimaria [60]

Answer:

  41 2/3 feet

Step-by-step explanation:

The sum of wall lengths (in feet) is ...

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