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Andrew [12]
3 years ago
6

13.5-ounce bottle cost 2.19. A 29.2-ounce bottle costs 5.37 find the unit price for each size

Mathematics
1 answer:
maks197457 [2]3 years ago
6 0

Answer:

A)Unit prize is $0.162

B)Unit prize is $0.183

Step-by-step explanation:

A) 13.5-ounce bottle cost 2.19

Cost of 13.5 ounce bottle =2.19

Cost of 1 ounce bottle =\frac{2.19}{13.5}=0.162

So, Unit prize is $0.162

B)29.2-ounce bottle costs 5.37

Cost of 29.2 ounce bottle = 5.37

Cost of 1 ounce bottle =\frac{5.37}{29.2}=0.183

So, Unit prize is $0.183

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In a pen of goats and chickens, there are 40 heads and 150 feet. How many goats and chickens are in the pen?
s2008m [1.1K]

Hey there!!

A chicken has 1 head and 2 feet . A goat has 1 head and 4 feet

For heads, total = 40

Let us take the number of chickens as ' x ' and goats as ' y '

x + y = 40 ------------- ( 1 )

2x + 4y = 150 ----------- ( 2 )

Multiply the first equation with 2

2x + 2y = 80

2x + 4y = 150

Subtract the first equation from the first

2y = 70

y = 35

Number of goats = 35

substitute this in other equation

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x = 5

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Hope it helps!

6 0
3 years ago
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TEA [102]

Answer:

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Step-by-step explanation:

The function is linear; therefore, the slope of the line joining any two points is the same.

We take any two points from the table and compute the slope or  rise/ run between them— let is take points (-4, -2) and (-2, -10).

The slope m of the line joining the points is

m=\dfrac{\Delta y }{\Delta x } =\dfrac{-2-(-10)}{-4-(-2)} \\\\\boxed{m=-4}

The slope of the function is -4.

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3 years ago
The point (5, -1) is a solution of the equation: y = 2x − 11 question 28 options: true false
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Answer:

I assume your goal is to rationalize the denominator -

So you need to multiply the denominator by its conjugate.

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