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3 years ago

Witch is better to buy $6.15 for 24 fl oz of dishwashing liquid or $9.60 for 42 fl oz of dishwashing liquid?

Mathematics

2 answers:

solniwko [45]3 years ago

4 0

Answer:

$9.60 for 42 fl oz

Step-by-step explanation:

$6.15 x 2=$12.30

$12.30 for 44 fl oz

$12.30-$9.60=$2.70

you would be paying $2.70 for 4 fl oz when 4 fl oz is 93 cent

STALIN [3.7K]3 years ago

4 0

Answer: 42 fluid ounce unit of dish soap.

Step-by-step explanation: Why? Well, 24 times 2 gives you 48 fluid ounces for $12.30. But for just 4 less fluid ounces of soap, you pay $9.60. This is just over a dollar for every two ounces of soap. So $12.30- $9.60= $2.70. this shows you`d need to buy two 24 ounce bottles. *So if you ONLY BUY ONE 24 OUNCE SOAP* you are getting a bad deal. In order to make a better deal buy two 24 ounce bottles to get four more ounces and pay $2.70 more. Hence you only ask about buying one, so 42 ounces is your go to choice.

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Step-by-step explanation:

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Formula
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Volume = Length x Width x Height

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2 years ago

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Peter's farm has 160 meters of fencing, and he wants to fence a rectangular field thatborders a straight river. He needs no fenc

Likurg_2 [28]

ANSWER

3200 m²

EXPLANATION

Peter wants to build a fence around a rectangular field, except for one side because the river is there,

So, the total perimeter of the fence is,

$P=W+W+L=2W+L$

And this is equal to 160 m. Solving for L,

$160=2W+L\text{ }\Rightarrow\text{ }L=160-2W$

The area of this field is,

$A=WL$

Replace L with the expression we found from the perimeter,

$A=W(160-2W)=160W-2W^2$

The area is given by a quadratic function whose leading coefficient is negative, which means that the graph is a downward parabola and, therefore, the vertex is the maximum value of the area.

The x-coordinate of the vertex is given by,

$f(x)=ax^2+bx+c\text{ }\Rightarrow\text{ }x_{vertex}=\frac{-b}{2a}$

In this case, x is W, a = -2, and b = 160, so the width of the field for the maximum area is,

$W_{vertex}=\frac{-160}{2(-2)}=\frac{160}{4}=40m$

And the length when W = 40 is,

$L=160-2W=160-2\cdot40=160-80=80m$

And the area is,

$A=WL=40m\cdot80m=3200m^2$

Hence, the largest area of Peter's farm that can be fenced is 3200 square meters.

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6 months ago

Write 1,000,000 as a power of 10 using exponents. A) 102 B) 103 C) 106 D) 107

Vikki [24]

Answer: 10 to the 6th power

Step-by-step explanation: To write 1,000,000 as a power of 10, first notice that 1,000,000 is a whole number. This means that the exponent of our power of 10 will be positive.

To determine the value of our exponent, first write a decimal point at the end of 1,000,000. So, it would look like this.

1,000,000.

Next, count the number of places we would need to move the decimal point in order to get 1.0.

In this problem, we would need to move the decimal point 8 places in order to get to 1.0.

This means that the value of our exponent on the power of 10 will be 8.

Therefore, 1,000,000 can be written as 10 to the 6th power.

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2 years ago