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Firlakuza [10]
3 years ago
5

a housekeeper mixed 5 gallons of blue paint with every 9 gallon of yellow paint in order to make a green paint which ratio of ga

llon of blue paint to gallon of yellow paint will make the same shade of green paint​
Mathematics
1 answer:
Helen [10]3 years ago
5 0
10 gallons blue to 18 gallons red.
to find the answer, multiply/divide both 5 and 9 by the same number. In this case, I multiplied them both by two. 5×2=10, 9×2=18.
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Rent it right rents compact cars for $38 per day plus $0.15 per mile. Lucia rented a car for 3 days and was charged $150. How ma
Liula [17]

Answer:

240

Step-by-step explanation:

first 38 times 3 = 114

second 150-114= 36

third 36/0.15= 240

answer is 240

3 0
2 years ago
A hyperbola centered at the origin has verticies at (add or subtract square root of 61,0 and foci at (add or subtract square roo
deff fn [24]

Answer:

\frac{x^2}{61}-\frac{y^2}{37}  =1

Step-by-step explanation:

The standard equation of a hyperbola is given by:

\frac{(x-h)^2}{a^2} -\frac{(y-k)^2}{b^2} =1

where (h, k) is the center, the vertex is at (h ± a, k), the foci is at (h ± c, k) and c² = a² + b²

Since the hyperbola is centered at the origin, hence (h, k) = (0, 0)

The vertices is (h ± a, k) = (±√61, 0). Therefore a = √61

The foci is (h ± c, k) = (±√98, 0). Therefore c = √98

Hence:

c² = a² + b²

(√98)² = (√61)² + b²

98 = 61 + b²

b² = 37

b = √37

Hence the equation of the hyperbola is:

\frac{x^2}{61}-\frac{y^2}{37}  =1

6 0
3 years ago
Where y=5x-7 and -3x-2y=-12 Write your answer as x,y
Mariulka [41]

Answer:

(x,y) = (2,3)

Step-by-step explanation:

y=5x-7                  (i)

-3x-2y= -12          

-(3x+2y)= -12

3x+2y= 12            (ii)

By putting the value of y from (i) in (ii)

3x+2(5x-7)=12

3x+10x-14=12

13x=12+14

13x= 26

x = \frac{26}{13}

x= 2

By putting the value of x in (i)

y= 5(2)-7

y= 10-7

y= 3

(x,y) = (2,3)

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2 years ago
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masya89 [10]

Answer:

$212.55

Step-by-step explanation:

hope it helps and give brainliest

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2 years ago
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A cab service charges $4 plus $1.50 per mile. Kate wants to spend no more
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Answer:

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Step-by-step explanation:

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