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3 years ago

In a class,14 out of 20 students pack their lunches.What percent of students pack their lunches?

2 answers:

5 0

To find the percent you divide 14 by 20. 14/20=.7 or 70%
70% of the students packed their lunch.
For future reference, to find percentage, divide your given number by the total number.

svp [43]3 years ago

3 0

Answer:

70%

Step-by-step explanation:

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Translate the expression One less than twice a number

Alja [10]

Answer:

2x – 1 = 17

Explanation:

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2 years ago

How many nanometers in 66cm

makvit [3.9K]

66cm is equal to 6.6e+8 nanometers.

4 0

3 years ago

In a certain town, the amount of sulfur oxide in the air, S, in tons, is related to the town’s population, P, in people. The rel

Lady bird [3.3K]

Answer:

Change in sulfur oxide in the air = $\frac{\textup{110010}}{\textup{S}}$

Step-by-step explanation:

Data provided in the question:

Relation between the amount of sulfur oxide in the air and the population as:

S² = 110P² + 20P + 600

Population growth rate, $\frac{\textup{dP}}{\textup{dt}}$ = 10 people per month

Now,

change in sulfur oxide with time i.e $\frac{\textup{dS}}{\textup{dt}}$

differentiating the given relation with respect to time 't'

we have

$2S\frac{\textup{dS}}{\textup{dt}}$ = $2\times110P\frac{\textup{dP}}{\textup{dt}}$ + 20

at P = 100 and $\frac{\textup{dP}}{\textup{dt}}$ = 10 people per month

we have

$2S\frac{\textup{dS}}{\textup{dt}}$ = 2 × 110 × 100 × 10 + 20

$2S\frac{\textup{dS}}{\textup{dt}}$ = 220020

$\frac{\textup{dS}}{\textup{dt}}$ = $\frac{\textup{220020}}{\textup{2S}}$

Change in sulfur oxide in the air = $\frac{\textup{110010}}{\textup{S}}$

8 0

3 years ago

HELP ME PLEASE! Find the equation of the line. Use exact numbers.

Nat2105 [25]

Answer: Y=2/3x+4 that’s your rule/equation

5 0

3 years ago

What is the value of the x?

Ronch [10]

Answer:

Step-by-step explanation:

37+90=127

180-127=53

7 0

3 years ago