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Vesnalui [34]
3 years ago
13

Find an equation of variation in which y varies directly as x and y=420 when x= 100. Then find the value of y when x=11.

Mathematics
1 answer:
sweet [91]3 years ago
4 0
Let's Simplify X to equal 1 by dividing by 100. then we divide 420 by 100 to get 4.2, so y=4.2 when x=1, we then multiply by each by 11.

y = 46.2
x = 11
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marishachu [46]
It is this photo if it has been added

5 0
3 years ago
In 2013, the population of the state of New York was approximately 19.65 million, and the population of New York City was 8,406,
maks197457 [2]
Population of the state of New York is 19.65 million. 
Million is equal to 1*10^6
So 19.65*10^6

Population of New York city is 8,406,000.
It is equal to 8.406*10^6

Therefore people in New York state did not in New York city is,
19.65*10^6 - 8.406*10^6
11.244*10^6
1.1244*10^7
7 0
2 years ago
A football field is 120 yards long and 160 yards wide. How many square yards of grass is needed to cover the field? Show your ca
sleet_krkn [62]

Answer:

19,200 yds²

Step-by-step explanation:

The question is asking for how many <em>square yards</em> of grass is needed

This means that it is looking for the Area.

The formula for area is <em>Length x Width = Area</em>

<em>120</em> (Length)

<em>160</em> (Width)

<em>120 x 160</em> = 19,200

The unit of measurement is yards...

19,200 yds²

8 0
3 years ago
You earn $9.20 per hour at your summer job. Identify an inequality that represents the number p of hours you need to work in ord
Korvikt [17]

Answer:

$32.5

Step-by-step explanation:

I hope this helps.

7 0
3 years ago
Which pair of fractions and mixed numbers have a common denominator of 20?
Tomtit [17]

Answer:

D 3 3/4 and 7/10

Step-by-step explanation:

A) 2 3/8 and 3/4  

4 goes into 20 evenly but 8 does not

NO

B) 1 5/6 and 2/5

5 goes into 20 evenly but 6 does not

NO  

C) 4 1/3 and 1/4

4 goes into 20 evenly but 3 does not

NO

D) 3 3/4 and 7/10

4 goes into 20 evenly and 10 goes into 20 evenly

YES 3 3/4 = 3 15/20 and 7/10 = 14/20

8 0
3 years ago
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