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3 years ago

Hi i rlly need help on 8 9 and 10'sooo could someone plz tell me the answer for the three and explain it i rlly meed this asap

Mathematics

2 answers:

Mamont248 [21]3 years ago

8 0

540 is the answer I am sure hope this helps

lilavasa [31]3 years ago

3 0

8. I think it is 540 because 3 ft equals 36in. so 36×30×1/2= 540

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5(12-4)=5(12)-5(4) what is this property

kherson [118]

Answer:

distributive property

Step-by-step explanation:

The distributive property is described as

a(b + c) = ab + ac

5(12 - 4) = 5(12) - 5(4) ← is obtained using the distributive property

6 0

2 years ago

Yara multiplies and divides a certain number by the same

Butoxors [25]

For this case we have to:

x: Represents the unknown number

y: Represents the exponent of base 10

So, considering a system of equations we have:

$x * 10 ^ y = 40,000\\\frac {x} {10 ^ y} = 0.000004$

From the first equation we have:

$10 ^ y = \frac {40,000} {x}$

Substituting in the second equation:

$\frac {x} {\frac {40,000} {x}} = 0.000004\\\frac {x ^ 2} {40,000} = 0.000004\\x ^ 2 = 40,000 * 0.000004\\x ^ 2 = 0.16\\x = \pm \sqrt {0.16}$

We choose the positive value:

$x = 0.4$

So, the number is 0.4.

So:

$10 ^ y = \frac {40,000} {0.4}\\10 ^ y = 100,000\\y = 5$

Thus, the exponent is 5.

Answer:

Yara use 0.4 and $10 ^ 5$

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3 years ago

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Yakvenalex [24]

57 degrees because 180-123= 57 degrees

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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3 years ago