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snow_tiger [21]
2 years ago
9

If a model car has a scale of 3in.: 5ft., what would be the length of the model be if the actual car was 15 ft. long?

Mathematics
2 answers:
Kamila [148]2 years ago
5 0

Answer:

120ft

Step-by-step explanation:

Viefleur [7K]2 years ago
4 0

set up the ratios:

3/5 = x/15

Cross multiply:

45 = 5x

Divide both sides by 5:

X = 9

The model would be 9 inches long

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My bests answer I got was a<3
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2 years ago
Work out the size of angle x <br> Next to 164 and 90
Zielflug [23.3K]

Answer:

x=106 degrees

Step-by-step explanation:

I'm going to assume that this is a circle since you didn't give it to me

So you want to add 164 and 90 together and subtract the sum by 360

360-(164+90)=106

So you want to use PEMDAS (order of operations) to solve this

  1. so do what's in the perenthesis first so 164+90=254
  2. Then you want to subtract 254 from 360 so 360-254=106

x=106 degrees

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2 years ago
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kirill [66]

Answer:

Why???

Step-by-step explanation:

6 0
3 years ago
A package of pairs of insulated costs ​$. What is the unit price of the pairs of
Kobotan [32]

Answer:

$5.89 per pair

$35.34   6 pairs

$35.34/6=$5.89 per pair

4 0
2 years ago
Last year, sales at Company X were 10% greater in February than in January, 15% less in March than in Feb, 20% greater in April
Svetlanka [38]

Answer:

  d.  May

Step-by-step explanation:

Working through the chain, we have ...

  Feb = 1.10×Jan

  Mar = 0.85×Feb = 0.935×Jan

  Apr = 1.20×Mar = 1.122×Jan

  May = 0.90×Apr = 1.0098×Jan

  Jun = 1.05×May = 1.06029×Jan

The multiplier that is closest to 1 is 1.0098, so May has sales closest to January.

_____

The percentage increase or decrease can be converted to a multiplier by adding it to 1. If p% is the percentage change, then adding it to an original value looks like ...

  original + p% × original = original × (1 +p%) . . . . . . . distributive property

And p% translates to a decimal number by replacing % with /100 or ×0.01.

  10% increase:   original × (1 + 10/100) = original × 1.10

  15% decrease:   original × (1 - 15/100) = original × 0.85

6 0
3 years ago
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