2 years ago

What is the circumference of each circle? Use 3.14 for PIE. Round to the nearest tenth if necessary.

Mathematics

2 answers:

Oliga [24]2 years ago

8 0

Answer A.28.3mm

PA BRAINLIST NLNG PO

maksim [4K]2 years ago

6 0

The answer is D 56.5

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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

Lindsay spins a spinner once and then flips a fair coin twice. The spinner is

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The Probability Is That It Has A 50/50 Chance Of Landing On Either Side

Step-by-step explanation:

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2 years ago

Plz help me I have no idea how to do this

Leviafan [203]

Answer:

0.8

Step-by-step explanation:

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2 years ago

there are 2rows of 8 chairs set up in the library for a puppet show. how many chairs are set up? use the distributive property t

ikadub [295]

Since there are 2 rows with 8 in each row the answer is 16 chairs

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2 years ago

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Which conclusion can be made?<br>a. a || b<br>b. c || d<br>c. c _|_ a<br>d. b _|_ d

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Question:

which conclusion can be made?

a. a || b

b. c || d

c. c _|_ a

d. b _|_ d

Answer:

a. a || b

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1 year ago