2 years ago

Please help me with this

Mathematics

1 answer:

shutvik [7]2 years ago

7 0

Answer:

1: 8-2: 603-3: 1539

Step-by-step explanation:

I gotchu

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One metre of ribbon costs $0.45. If Tabitha buys 225 metres of ribbon, how much will she have to pay? (Please help me! I have to

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Step-by-step explanation:

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Choose the correct simplification of the quantity of x to the 7th power over y to the 9th power all raised to the 2nd power.

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2 years ago

Read 2 more answers

Can you explain how to do this?

ivanzaharov [21]

Hi there! The answer is x = 1

Let's solve this problem step by step!
$8(10) {}^{2x} = 800$

First divide both sides of the equation by 8.
$10 {}^{2x} = 100$

Now rewrite 100 as a power of 10.
$10 {}^{2x} = 10 {}^{2}$

Now we can use the following rule, which basically means that two different exponents of the same base must be the same
${g}^{a} = {g}^{b} \\ a = b$

We now get this.
$2x = 2$

Finally divide both sides by 2.
$x = 1$

~ Hope this helps you!

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3 years ago