2 years ago

HELP ME PLZ HELP ME PLZ HELP ME PLZ

Mathematics

1 answer:

nikdorinn [45]2 years ago

8 0

Answer:

20 Miles hope it helps!

Step-by-step explanation:

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Math homework help exponents

Len [333]

Answer + Step-by-step explanation:

$\frac{5^{10}}{5^{5}} =5^{10-5} = 5^5$

$\text{used property :} \ \ \ \frac{a^{m}}{a^{n}} =a^{m-n}$

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$(4^8)^3 = a^{8 \times 3}=a^{24}$

$\text{used property :} \ \ \ (a^n)^m = a^{n \times m}$

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$10^{-4}=\frac{1}{10^{4}} \ \text{not} \ \frac{1}{4^{10}}$

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15⁶ × 15³ = 15⁶⁺³ = 15⁹

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Recall : If a ≠0 ⇒ a⁰ = 1

Then

Since 6⁸ ≠ 0 ⇒ (6⁸)⁰ = 1

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1 year ago

Which choices are equivalent to the expression below? Check all that apply. 3sqrt8

Serga [27]

It is C, D and F

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2 years ago

Find the percent change. 155 pounds to 130 pounds.

Romashka [77]

Answer:

130 pounds is about 84% of 155

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2 years ago

A grocery store purchases melons from two distributors, J & K. Distributor J provides melons from organic farms. The distrib

harina [27]

Answer: green.

Step-by-step explanation:

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3 years ago

Read 2 more answers

Write the expression as one involving only sin x and cos x. sin 2x + cos x

AfilCa [17]

Answer:

sin 2x + cos x = 2 sin x cos x + cos x = (2 sin x + 1)cos x

Step-by-step explanation:

Given the expression: sin 2x + cos x,

then we can use the formula: sin 2x = 2 sin x cos x, which gives:

sin 2x + cos x = 2 sin x cos x + cos x = (2 sin x + 1)cos x

So there you have two expressions in terms of sin x and cos x, as requested. :D

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1 year ago