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Alexeev081 [22]

3 years ago

6

Mr smith math class has 45 student 23 are men and the rest are women. what fraction best represents the number of women in the c

lass? 22/45 23/45 22/23 23/22

1 answer:

Natali [406]3 years ago

6 0

22 of them are women.

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6 labour complete a work in 12 days. How many labours should added to complete the works in 8 days?

mario62 [17]

Answer:

9 labours

Step-by-step explanation:

In order to solve this, we must know which kind of proportionality is this. There are two types of proportions, direct and indirect/inverse proportions. In direct proportion, if one quantity increases, the other quantity also increases.

In indirect proportion, if one quantity increases, the other decreases and vice versa.

As per this question, we know if the number of labour increases, the number of days to complete a work decreases, thus proving that this is an indirect/inverse proportion.

6 labours => 12 days

x labours => 8 days

Since its an inverse proprotion, multiply 6 with 12, and x with 8.

8x = 6 × 12

x = $\frac{6*12}{8}$

∴ x = <u>9 labours</u>

7 0

2 years ago

The price of the product decreased by 10%and then decreased by 20% . calculate total percentage change between the final and ini

aev [14]

What is percentage change?

By quantifying the difference between two numbers and expressing it as an increase or decrease, the Percentage Change Calculator (percent change calculator) may determine the percentage change.

The initial price $V_{1}$ (100%) was decreased by 10%., then this reduced price is reduced more by 20% that becomes the final price $V_{2}$ which is 72.

Calculate percentage change from $V_{1}=100$ to $V_{2}=72$ .

= $& \frac{\left(V_{2}-V_{1}\right)}{\left|V_{1}\right|} \times 100 \\$

$=& \frac{(72-100)}{|100|} \times 100 \\$

$=& \frac{-28}{100} \times 100 \\$

$=&-0.28 \times 100 \\$

$=&-28 \% \text { change } \\$

$=& 28 \% \text { decrease }$

To know more about percentage change visit:

brainly.com/question/7568722

#SPJ4

7 0

2 years ago

PLEASE HELP ME!!.. 16 points!!.... change to scientific notation

Svetradugi [14.3K]

Answer:

6. 4.5×10⁴

7. 4.2×10^-3

8. 9.5×10^9

9. 1.3×10^-3

10. 3×10²

Step-by-step explanation:

start counting just after the dot . hope it helps

7 0

3 years ago

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Elena has $0.90. Kia has 10 times as much money as Elena. Troy has one-tenth as much money as Elena. Does Kia have more money th

lina2011 [118]

Answer: Kia has ten times more money than Elena. Kia has more money that Elena.

Troy has one-tenth of the money Elena has. Troy has less money than Elena.

Step-by-step explanation:

3 0

2 years ago

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A company invests $32000. after 4 years of growth at the same rate each year, the investment is worth $42692. find the annual gr

Nostrana [21]

Answer:

R = 33.35%

Step-by-step explanation:

that is the solution above

6 0

2 years ago