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2 years ago

A 16 ounce package of cereal cost $4.00? what is the unit cost

Mathematics

2 answers:

mafiozo [28]2 years ago

7 0

Answer: 1 oz. Over 0.25 is your answer.

Step-by-step explanation:

goldenfox [79]2 years ago

5 0

Here, we need to find unit cost. Unit cost can be defined as a cost per unit of a product.

We are given that 16 ounce will cost $ 4.00.

That means -

Cost of 16 ounce of cereal package = $ 4.00

Cost of 1 ounce of cereal package -

(We will divide both sides by 16)

Cost of 16 ounce of cereal package ÷ 16 = $ 4.00 ÷ 16

Cost of 1 ounce of cereal package = $ 0.25.

Thus, the cost of 1 ounce of cereal package = $ 0.25.

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If xy = 0, what must be true about either x or y?

koban [17]

Answer:

One of them must be zero.

Step-by-step explanation:

For something to equal zero it needs to be multiplied by a value of zero.

4 0

3 years ago

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The number of bags of mulch you need to cover a planting area varies jointly with the area to be mulched (a) in sq ft and the de

Lena [83]

Answer:

22 2/9

Step-by-step explanation:

When z "varies jointly" with x and y, it can be described by the formula

z = kxy

Here, we have bags of mulch (n) varying jointly with area (a) and depth (d), both in feet. The given information can let us find the value of k.

n = kad

10 = k·(120)(1/4)

10/30 = k = 1/3 . . . . . divide by the coefficient of k

Now, we can fill in the other values of interest.

n = (1/3)·(200)·(1/3) = 200/9

n = 22 2/9

You need 22 2/9 bags of mulch to cover 200 ft² to a depth of 4 inches.

_____

Comment on the problem

This problem requires the formula be written with both area and depth expressed in feet, yet it gives depth in inches. The formula can also be written using depth in inches. In that case, k = 1/36.

8 0

2 years ago

I need help with this as well

nikitadnepr [17]

I don't get this is need to stop answering questions

5 0

3 years ago

PLEASE HELP PLEASE WILL GIVE BRAINLIEST !!!!! Freya is training for a track race. She starts by sprinting 200 yards. She gradual

DedPeter [7]

Answer:

A. $a_n=200+(n-1)5$

Step-by-step explanation:

Given,

The initial sprinting of Freya = 200 yards,

Also, She gradually increases her distance by 5 yards per day,

So, in second day her sprinting = 200 + 5 = 205 yards,

In third day = 205 + 5 = 210 yards,

In fourth day = 210 + 5 = 215 yards,

...................., so on,.....

Hence, the sequence that shows the given situation,

200, 205, 210, 215, .........

Which is an A.P.

That having first term, a = 200,

Common difference, d = 5,

Thus, the explicit formula for the given situation is,

$a_n=a+(n-1)d$

$\implies a_n=200+(n-1)5$

Option A is correct.

7 0

3 years ago

Read 2 more answers

What would the amount of interest be earned if there is a deposit of $10,000 at 9.5% for 90 days

Bingel [31]

I am working on this in school, this is how we are being taught to do this type of problem:

First, convert the 9.5% to 0.095. Then multiply:

10,000 x 0.095 x 90 = 85,500

So, the answer should be: $85,500 interest.

3 0

3 years ago