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storchak [24]
3 years ago
11

An 8-pound bag of dog food costs $25.60. A 12-pound bag of dog food costs $36.60. What is the difference in unit prices?

Mathematics
1 answer:
Delicious77 [7]3 years ago
4 0

Aswer:

36.60-25.60= 11

Step-by-step explanation:

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A parcel delivery service will deliver a package only if the length plus girth​ (distance around) does not exceed 84 inches. ​(A
Kisachek [45]

Answer:

A. 14x14x28

B. The maximum volume is 5488 cuibic inches

Step-by-step explanation:

The problem states that the box has square ends, so you can express volume with:

v=x^{2} y

Using the restriction stated in the problem to get another equation you can substitute in the one above:

4x+y=84\\\\

Substituting <em>y</em> whit this equation gives:

v=x^{2} (84-4x)\\\\v=84x^{2} -4x^{3}

Now find the limit of <em>x</em>:

\frac{84x^{2}-4x^{3}}{dx}=168x-12x^{2}\\\\x=\frac{168}{12}=14

Find the length:

y=84-4(14)=28

You can now calculate the maximum volume:

v=(14)^{2}(28)= 5488

6 0
3 years ago
7w-180=52w what does w equal
BartSMP [9]

Answer: w= -4

Step-by-step explanation:

7w-180=52w

Subtract 7w on both sides.

-180=45w

Divide both sides by 45.

-4=w

4 0
4 years ago
How many different books did the children read
Alex777 [14]

Answer:

16 books

Step-by-step explanation:

if Sandra read 5 books and Deacon read 6 and Breanna read 7 and they all one same book, then that means sandra read 4 different books then Deacon and Breanna. Deacon read 5 different books then Sandra and Breanna. Breanna read 6 different books then Deacon and Sandra.

So Sandras 4 books plus Deacons 5 books plus Breannas 6 books equals up to 15 but, now you need to add the one book they all read which makes the answer 16.


(Hopes this helps)

3 0
4 years ago
What is the distance between (2,-6) and (-4,3)
ExtremeBDS [4]
Oh okie so cute ☺️ cute lol
8 0
3 years ago
To find the quotient 3/4 divided by 1/8
Alex Ar [27]

Answer:

2. multiply 3/4 by 8

Step-by-step explanation:

3/4 ÷ 1/8

Copy dot flip

3/4 * 8/1

24/4

6

7 0
3 years ago
Read 2 more answers
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