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2 years ago

Hi i have this class work of my cousing

Mathematics

1 answer:

guajiro [1.7K]2 years ago

6 0

Answer:

5 < 8

-4 < 0

0 < 4

-5 < 5

-9 > -19

-5 > -8

Step-by-step explanation:

Remember, the "Alligator" or better known as the "Packman" symbol ( > < )

It will always want to "eat" the bigger number. so, 8 is bigger than five, so the "Packman" will want to go after the bigger number. 5 < 8

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tom put 18 gallons of mid grade gas in his truck and filled up his empty five gallon gas can with regular gas for his lawnmower

k0ka [10]

Answer:

Step-by-step explanation:

Let price of milgrade gas be x and price of lawnmower gas be y.

18x + 5y=59.51

14x+y=39.75

Isolate one variable and substitute to solve for other variable.

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2 years ago

The Barkers started their trip with a full tank of gas and a total of 39,872 miles on their car. They stopped 4 hours later and

lara [203]

Answer:

27.5 miles per gallon

Step-by-step explanation:

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1 year ago

An independent-measures research study uses a total of 18 participants to compare two treatment conditions. If the results are u

Luba_88 [7]

Answer:

The answer is false

Step-by-step explanation:

In a sample above 30 obs like this the confidence interval is defined as

X+- t* (s/sqrt(n)) where X is the mean t the tvalue for a given confidence level, n the size of sample and s standar deviation.

To find de appropiate value of t we must see the T table where rows are degrees of freedom and columns significance level

The significance is obtained:

significance = 1 - confidence level = 1 - 0.9 = 0.10

Degrees of freedom (df) for the inteval are

df = n - 1 = 18 - 1 = 17

So we must look for the value of a t with 17 values and significance of 0.10 which in t table is 1.740 not 1.746 ( thats the t for 16 df)

6 0

3 years ago

A large dining room table is in the shape of a semi circle diameter 12 feet. What is the square feet closest to the area ? Radiu

Zarrin [17]

No, the radius is not 3.14 . The radius is 1/2 of the diameter . . . That's 6 feet.
If you see 3.14 on the sheet, then that's the number you're supposed to use for pi .

The area of any circle is (pi) x (radius squared).
If the table were a full circle, its area would be (pi) x (6 squared) = 36 pi square feet.

But it's only half of that . . . 18 pi = (18) x (3.14) = <u>56.52 square feet</u>.

That's called the "area" of the table, not the "square feet" of the table.

And another thing: I see you're asking for the "closest" number. Don't ask me
how I know this, but I'm pretty sure that right under this question wherever you
copied it from, there's a list of choices, and when you posted the question, for
some reason you decided not to share the list.

7 0

2 years ago

Hockey teams receive 2 points when they win and 1 point when they tie. One season, a team won a championship with 66 points. Th

german

Answer:

26 wins , 14 ties

Step-by-step explanation:

Given: Hockey teams receive $2$ points when they win and $1$ point when they tie. One season, a team won a championship with $66$ points. They won $12$ more games than they tied.