3 years ago

1. Show work and find the value of the circumference of the circle with a 12 cm radius.

Mathematics

1 answer:

Virty [35]3 years ago

5 0

Answer:

75.36

Step-by-step explanation:

3.14(pi) x 24(diameter) = 75.36(circumference)

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3 years ago

You buy a calculator for $65. A 6% sales tax is added.

Vika [28.1K]

T=65$+(65$*.06)
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3 years ago

For the following system, if you isolated x in the first equation to use the substitution method, what expression would you subs

alekssr [168]

Answer:

$x=2y+6$

Step-by-step explanation:

So we have the system:

$-x+2y=-6\\3x+y=8$

If we isolate the x-variable in the first equation:

$-x+2y=-6$

Subtract 2y from both sides:

$-x=-6-2y$

Divide both sides by -1:

$x=2y+6$

Therefore, we would substitute the above into the second equation:

$3x+y=8\\3(2y+6)+y=8$

The answer is 2y+6

Further notes:

To solve for the system, distribute:

$6y+18+y=8$

Simplify:

$7y+18=8$

Subtract:

$7y=-10$

Divide:

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Now, substitute this value back into the isolated equation:

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3 years ago

Read 2 more answers

How can you divide 58÷0.65

Orlov [11]

You can definitly use a calculator for this
The answer would be
89.2307692308
What you do is find out how many times 0.65 can go into 58 to get your answer:)

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3 years ago