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3 years ago

Pleassse HELP WILL GIVE BRAINLIEST

Mathematics

2 answers:

mr Goodwill [35]3 years ago

7 0

Answer:

For some reason my answer got deleted.

The dog food will last 128 days,

Step-by-step explanation:

80 ÷ 5/8 = 128

Since 5/8 is being used each day, you divide.

I hope this helped and if it did I would appreciate it if you marked me Brainliest. Thank you and have a nice day!

aksik [14]3 years ago

5 0

Answer:

The 80 p0und bag will last 128 days.

Step-by-step explanation:

In order to find out how much days the 80 pound bag last we have to divide the 80 pounds by the among that the dog eats each day. And so we get.....

80 / $\frac{5}{8}$ = $\frac{80}{1} / \frac{5}{8}$ = $(\frac{80}{1})(\frac{8}{5})$ = $\frac{640}{5}$ = 128

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Match each value to what it represents.

Serhud [2]

Answer:

Step-by-step explanation:

(5^3/2)^-2/3 = 0.2 ⇒ E

(256^0.5)^1.25 = 32 ⇒ C

(81^1/6)^3/2 = 3 ⇒ F

(1024^0.03)^20 = 64 ⇒ D

(1000^4/7)^7/3 = 10,000 ⇒ B

(49^5/2)^0.2 = 7 ⇒ A

Step-by-step explanation:

* Lets explain how to solve the problem

- If we have base x to a power n and all to the power of m then we

multiply the two powers to be one power on the base

- [(x^n)^m] = x^(nm)

* Lets solve the problem

∵

∴ (5^3/2)^-2/3 = 0.2 ⇒ E

∵

∵ 256 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 = 2^8

∴

∴ (256^0.5)^1.25 = 32 ⇒ C

∵

∵ 81 = 3 × 3 × 3 × 3 = 3^4

∴

∴ (81^1/6)^3/2 = 3 ⇒ F (answer F must be 3 not 0.333)

∵

∵ 1024 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 = 2^10

∴

∴ (1024^0.03)^20 = 64 ⇒ D

∵

∵ 1000 = 10 × 10 × 10 = 10³

∴

∴ (1000^4/7)^7/3 = 10,000 ⇒ B

∵

∴ (49^5/2)^0.2 = 7 ⇒ A

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