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AURORKA [14]
2 years ago
6

A model box car is 7 inches long. The actual boxcar is 609 inches long. What is the scale of the model?

Mathematics
1 answer:
Nastasia [14]2 years ago
4 0

7 : 609 -> 609 ÷ 7 = 87 -> scale is 1 : 87

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Lerok [7]
-24n - 30, i suggest using math.way before asking a math question aha
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2 years ago
Read 2 more answers
Gary has twice as many m&amp;ms as larry. Jerry has three times as many m&amp;ms as larry. Together the tree men have 108 m&amp;
Igoryamba

Answer:

36

Step-by-step explanation:

Let number of m&ms Garry has be g

number of m&ms Larry has be l

Number of m&ms Jerry has be j

Since Gary has TWICE as Larry, we can write:

g = 2l

Also, Jerry has THRICE as Larry, we can write:

j = 3l

Together, they have 108, thus, we can write:

g + l + j = 108

Putting 1st and 2nd equation in 3rd, we can solve for Larry first. Shown below:

g + l + j = 108\\2l+l+3l=108\\6l=108\\l=\frac{108}{6}\\l=18

Larry has 18. To find Gary's number, we can use the fact g = 2l, so

g = 2 * 18 = 36

Gary has 36 m&ms

5 0
3 years ago
Plzz add an explanation for it too
DIA [1.3K]

Answer:

A     $0.02

Step-by-step explanation:

Let's solve how much does it cost to have a bulb on for an hour. ⇒ 120 watt = 0.1 kilowatt per hour which costs 0.20 per kilowatt per ⇒ 0.1 kilowatt per hour* 0.20 = 0.02 dollars in an hour.

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2 years ago
<img src="https://tex.z-dn.net/?f=6%20%5Cfrac%7B2%7D%7B5%7D%20%20-%201%20%5Cfrac%7B1%7D%7B3%7D%20%20%3D%20%20%5C%5C%205%20%5Cfra
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3 years ago
The variables x and y vary inversely, and x = 12 when y = 6. Use the inverse variation formula, k = xy, to
I am Lyosha [343]

Answer:

D=24

Step-by-step explanation:

y inversely as x

x=k/y

By cross multiplication

k=xy

k=12*6

k=72

finding y

72=3y

y=24

6 0
3 years ago
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