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olya-2409 [2.1K]
3 years ago
7

Find the value of x. Please help

Mathematics
1 answer:
Wewaii [24]3 years ago
3 0

Answer:

it would be 1

Step-by-step explanation:

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It takes 2 3/4 gallons of water to fill up 3 1/3 containers.How much water woud it take to fill 4 containers.
mafiozo [28]

Answer:

3.3 gallons

Step-by-step explanation:

(2 3/4)/x = (3 1/3)/4

(11/4)/x = (10/3)/4 (cross multiplication)

(11/4)*(4/1)=44/4=11

11/(10/3) = ( 11/1 ) * (3/10) = 33/10 = 3.3 gallons

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3 years ago
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John went to a friend’s house to spend his free time in an evening. Which unit of measure should be used to find the distance be
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miles

Step-by-step explanation:

4 0
2 years ago
Mario has a business selling muffins. Let x be the price of a muffin. Then, the profit P for Mario’s business is given by p(x)=-
Rufina [12.5K]
To make a positive profit p(x)>0 we need to make:
-100 x^{2} +350x-150 \ \textgreater \  0

Now we solve this for x:
-2 x^{2} +7x-3 \ \textgreater \ 0

We have:
a = -2
b = 7
c = -3

We will use formula for quadratic equation:
x_{1} =  \frac{-b+ \sqrt{ b^{2}-4ac } }{2a}  \\  \\  x_{2} =  \frac{-b- \sqrt{ b^{2}-4ac } }{2a}  \\  \\  x_{1} =  \frac{-7+ \sqrt{ 49-24 } }{-4} = \frac{-7+5 }{-4} = \frac{-2 }{-4} = \frac{1}{2}  \\  \\  x_{2} =  \frac{-7- \sqrt{ 49-24 } }{-4}  = \frac{-7-5 }{-4} = \frac{-12 }{-4} = 3

We got two solutions. One is fraction other is whole number. We will not consider fraction because the amount of muffins sold must be whole number. So our solution is:
x>3
5 0
3 years ago
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Help ASAP math studyisland
kifflom [539]

A function relates an input to an output.

<span>It is like a machine that has an input and an output.And the output is related somehow to the input.so an example of a funtion is f(X) </span>
8 0
2 years ago
8-6x=-28 I need help plzzz
Schach [20]
The answer is 6. 8-6(6) = -28.
3 0
2 years ago
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