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Juli2301 [7.4K]
3 years ago
9

Write 3x 3x 3x 3 x 3 using exponents

Mathematics
1 answer:
Ahat [919]3 years ago
5 0
3\cdot3\cdot3\cdot3\cdot3=3^5
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Mary purchases four book online. The book were the same price each, and the shipping fee was $7.25. If the total cost was $55.25
Sonja [21]

Answer:

The price per book that Mary purchased is $12

Step-by-step explanation:

Mary's total cost can be expressed as;

C=(p×n)+s

where;

C=total cost

p=price per unit of books

n=number of books purchased

s=shipping fee

In our case;

C=$55.25

p=unknown

n=4

s=$7.25

replacing;

55.25=(4×p)+7.25

4 p+7.25=55.25

4 p=55.25-7.25

4 p=48

p=48/4

p=12

The price per book that Mary purchased is $12

6 0
3 years ago
Can someone help me with this problem.
Oksanka [162]

Answer:

negative because the container is losing liquid.

Step-by-step explanation:

y-5x is the rate

7 0
3 years ago
A box has a volume of 22 1/2 in³. Find the length of the box!
aliya0001 [1]

Answer:

Length = 2.823 in (to 3 decimal places)  

Step-by-step explanation:

assuming that the box is a cubic box:

volume of box = 22\frac{1}{2} in³ = 22.5 in³

volume = Length × Length × Length = (Length)³

∴ (Length)³ = 22.5

∴ Length = ∛(22.5)

using the calculator punch ∛(22.5), and the answer is:

∴ Length = 2.823 in (to 3 decimal places)

3 0
3 years ago
To prepare a batch of cookies a factory uses 4/5 barrels of oatmeal in each batch. The factory used 4 4/5 barrels of oatmeal on
babymother [125]

Answer:

Step-by-step explanation:

4 4/5= 24/5  24/5\4/5=6/5= 1/15

6 0
3 years ago
A television regularly costs $180, but it is on sale for 40% off. There is a 5% sales tax on the sale price. How much does the t
Anuta_ua [19.1K]

Answer:

$113.4

Step-by-step explanation:

If it is 40% off then it is 100-40 = 60% of original price.

So we do 180$ * .6 = $108 before tax.

To add on tax we do: 100 + 5 = 105% of that price.

So we do: $108 * 1.05 = $113.4 after discount and tax.

7 0
3 years ago
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