3 years ago

Earth spins on its axis once every 23.934 hours. What is this time rounded to the nearest hundredth?

2 answers:

4 0

23.93 hours. Numbers after the decimal go backwards... 9 is in the tenths, 3 is in the hundredths, an 4 is in the thousandths.

Romashka-Z-Leto [24]3 years ago

3 0

The answer to this quesitos is 23.900

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Cara's brother is 7 years old.

14 is twice as much as 7 (7 * 2 = 14).

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F(x)=-x^3-x^2+1 what is f(-1)

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Giovanni purchased 25tickets to an airshow. the cost of an adult's ticket is $14 and the child's ticket is $8. if the total cost

Masteriza [31]

Giovanni purchased 20 adult tickets and 5 child's tickets.

Step-by-step explanation:

Let,

x = Adult tickets

y = Child's tickets

According to given statement;

x+y=25 Eqn 1

One adult ticket costs $14 and one child ticket costs $8, therefore,

14x+8y=320 Eqn 2

$Multiplying\ Eqn\ 1\ by\ 8\\8(x+y=25)\\8x+8y=200\ Eqn\ 3\\Subtracting\ Eqn\ 3\ from\ Eqn\ 2\\(14x+8y)-(8x+8y)=320-200\\14x+8y-8x-8y=120\\6x=120\\Dividing\ both\ sides\ by\ 6\\\frac{6x}{6}=\frac{120}{6}\\x=20$

Putting value of x in Eqn 1;

$20+y=25\\y=25-20\\y=5$

Giovanni purchased 20 adult tickets and 5 child's tickets.

Keywords: Linear equations, Addition

Learn more about linear equations at:

#LearnwithBrainly

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What is the gcf of 66xy and 30x2y?

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Answer:

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Step-by-step explanation:

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