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1 year ago

(-1) power 50 is what

Mathematics

1 answer:

Tcecarenko [31]1 year ago

7 0

(-1) to the power of an even number is +1.

(-1) to the power of an odd number is -1.

Since 50 is an even number, (-1)⁵⁰ = 1.

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A painter can paint 180 square feet in 1/2 hour. how many feet can he paint in 2 hours

IgorC [24]

Well 1/2 is one quarter of 2 hours. so if he can paint 180 square feet is 1/2 hour multiply it by four to get 2 hours. so 180 times 4 is 720.
He can paint 720 square feet in 2 hours

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3 years ago

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Write an equation in slooe intercept form for the line that is parallel to y=-4x-3 and passes through the point (-2, 4).

iogann1982 [59]

Answer:

y=-4x-4

Step-by-step explanation:

m=-4

point(-2,4)

y-4 = -4 (x- (-2) )

y-4 = -4 (x+2)

y-4 = -4x -8

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3 years ago

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Find the median of the data set. 100, 4, 12, 6

Marizza181 [45]

Answer:

the answer is 34.75

Step-by-step explanation:

first, you take all 4 values and add them up. (you should get 122.)

second, you take the 122 and divide it bye the amount of values. in this case there are 4 (100,4,12, and 6). you will get 30.5. (the mean)

third, take all 4 values and subtract them by 30.5. (100-30.5__4-30.5__12-30.5__6-30.5) you will get negitives just drop the negitive signs and change them to positves.

last, add the distant values together (you should get 139) and divide it by 4 ( you should get 34.75)

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3 years ago

Which inequality is true for 50pts

shepuryov [24]

Answer:

B. $(5+2)^{2} > 5^2 + 2^2$

Step-by-step explanation:

The inequality "B" is correct because when you simplify it, you can see that it holds true:

$7^{2} > 25 + 4$

49 > 29

49 is indeed greater than 29, making this inequality true.

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3 years ago

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Brooke saved the same amount of money each week for four weeks. She made this table to show how much money she saved.

Musya8 [376]

Answer:

In 10 weeks of time, Brooke would earn $ 20.

Step-by-step explanation:

Here, according to the table:

The money saved in week 1 = $ 2 = $(1 x 2)

The money saved in week 2 = $ 4 = $ ( 2 x 2)

The money saved in week 3 = $ 6 = $ ( 3 x 2)

The money saved in week 4 = $ 8 = $ ( 4 x 2)

So, by the graph relation, we can see that:

The amount saved in n weeks = ( n x 2) dollars

So, the amount saved by Brooke in 10 weeks is:

Put n = 10, we get:

The money saved = 2 n = 2 x 10 = $ 20

Hence, in 10 weeks of time, Brooke would earn $ 20.

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3 years ago