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rewona [7]
3 years ago
12

Each car in a rental fleet is either red or white, and there are 75 cars total. There are three more white than twice the number

of red cars. How many cars are white?
Mathematics
2 answers:
professor190 [17]3 years ago
8 0
Number of red cars = x
Number of white cars = y

x + y = 75
y + 3 = 2x

x + y = 75
y = 75 - x

(75 - x) + 3 = 2x
78 = 3x
26 = x

y + 3 = 2(26)
y + 3 = 52
y = 49

There are 49 white cars.
Leto [7]3 years ago
5 0

Answer: 51

Step-by-step explanation:

Let the number of red cars be r then the number of white cars is given by :-

2r+3

Since, the total number of cars = 75

Therefore, we have

r+2r+3=75\\\\\Rightarrow\ 3r+3=75\\\\\Rightarrow3r=75-3\\\\\Rightarrow\ 3r=72\\\\\Rightarrow\ r=24

Therefore, the number of red cars = 24.

and the number of white cars = 2(24)+3=48+3=51

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180-115 = 65

7 0
3 years ago
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Tara wants to put a white fence aroung the yard including the garden. Write an
Cerrena [4.2K]

The perimeter of a rectangle is 2L + 2W, where L and W are the length and width, respectively. The dimensions of the garden are given, 6 x 12 ft.

 

The amount of fencing needed is 2(6) + 2(12) = 12 + 24 = 36 ft of fencing

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2 years ago
ZE and ZF are vertical angles with mZE = 8x + 8 and mZF = 2x +38.<br> What is the value of x?
Dovator [93]

Answer:

Since ZE and ZF are vertical angles, they are congruent.

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7 0
3 years ago
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If mBDE = 125 what is mGDF? A) 35. B) 45. C) 55. D) 65
joja [24]
A supplmentary angle = 180°

∠BDE and ∠BDF are vertical angles, and so are congruent.

∠BDF = 125°, because ∠BDF ≅ ∠BDE.

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∠CDA = 90°


<span>line BJ </span> is angle bisector of ∠CDA. ∠CDB is 1/2 of ∠CDA

∠CDA = 90°

∠CDB = 90/2
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∠GDF is a vertical angle of ∠CDB, and it's measurement will be the same as ∠CDB.

∠GDF ≅ ∠CDB
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∠GDF  = 45°


∠GDF  = 45° should be your answer

hope this helps
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