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zimovet [89]
3 years ago
9

A model of a car is made to a scale of 1:40.

Mathematics
1 answer:
Y_Kistochka [10]3 years ago
4 0

Answer:

2025 m squared

Step-by-step explanation:

1:45

45

to get from 1 to 45, you times by 45.

to find the volume, times 45 by 45 for the second ratio

=2025 m squared

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Using 4x6=24. double the factor four to get eight double the factor 24 to get 48
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Is V72 rational or irrational? And why
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7 0
3 years ago
A picture is 6 inches longer than it is wide and has an area of 167
Scorpion4ik [409]

Answer:

A) L = W + 6

B) L * W = 167  OR L = 167 / W

Substituting B) into A)

167 / W = W + 6

Multiplying both sides by "W" we get

167 = W^2 + 6W

W^2 + 6W -167

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Step-by-step explanation:

5 0
4 years ago
Which expression can be used to find the area of triangle RTS?
lina2011 [118]

answer is 13 but I can't understand the question

I think there is no correct answer in this question!

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3 0
3 years ago
The Martinez family went to play and paid $13 for 1 adult and 4 children. The Hernandez family went to the same place and paid $
andrey2020 [161]

Answer: the price for an adult ticket is $3

Step-by-step explanation:

Let x represent the price of one adult ticket.

Let y represent the price of one child ticket.

The Martinez family went to play and paid $13 for 1 adult and 4 children. This means that

x + 4y = 13 - - - - - - - - - - -1

The Hernandez family went to the same place and paid $14 for 3 adults and 2 children. This means that

3x + 2y = 14 - - - -- - - - - - - -2

Multiplying equation 1 by 3 and equation 3 by 1, it becomes

3x + 12y = 39

3x + 2y = 14

Subtracting, it becomes

10y = 25

y = 25/10 = 2.5

Substituting y = 2.5 into equation 1, it becomes

x + 4 × 2.5 = 13

x + 10 = 13

x = 13 - 10

x = 3

6 0
3 years ago
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