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sveticcg [70]
3 years ago
10

Arden has 15 cards and 3 of those cards are red. What percent of her cards are red? *​

Mathematics
1 answer:
Kisachek [45]3 years ago
5 0

Answer: 20%

Step-by-step explanation: 3/15 = 1/5 = .20 = 20%

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For every 2 miles that i run , Rubio runs 5 miles. If i ran 12 miles last week, How many miles did Rubio run ?
liraira [26]
The answer is 30. 2x6 is 12 so you would do 5x6 which is 30
5 0
3 years ago
a company pays its employees a base salary of $1000 every other week plus $30 for each sale write the equation to how much a pay
ivann1987 [24]
Part 1: Equation is p=1000+30x
Part 2:
a) 1720=1000+30x
b)1720-1000=30x
c)720=30x
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4 0
3 years ago
The graphs of two linear equations ax + by = c and bx - ay = c, where a, b, c are all not equal to zero.
marin [14]
Let us find the slopes of the two lines

ax+by=c, slope m1 = -a/b

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4 0
3 years ago
The population of the US is about 300 million people. there are approximately 2.2 x 10 to the 12th power U.S. dollars in existen
koban [17]

Answer:

$7,333.33 (approximately)

Step-by-step explanation:

First step: 10^{12} = 1,000,000,000,000

Second step: 2.2 x 1,000,000,000,000 = 2,200,000,000,000

Third step: 2,200,000,000,000 ÷ 300,000,000 = 7,333.333333333333

7 0
1 year ago
A cleaning company uses 10 lbs each of chemicals A, B and C for each house it cleans. After some quality complaints, the company
umka21 [38]

Answer:

25%

Step-by-step explanation:

Let us first derive an equation for the productivity.

Given

No. of houses = 1 (Assumption)

Amount of Chemicals = 30 (10 x A, B, C)

Now the formula for productivity is as follow

Productivity % (P) = (Output/Input) * 100

Assuming the current productivity is 100%. We get the value for required output but using the value of 30 (Amount of Chemicals) as Input

100 = \frac{x}{30}*100\\ x = 30

Since we now know the value for desired output. We replace the value of input by 40, since 10 lbs of Chemicals have been increased per house.

Productivity(P) = \frac{30}{40}*100\\ Productivity(P) = 75

The new Productivity is 75%

There is a reduction of 25% in productivity

8 0
3 years ago
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