What is 6.4X10 to the 8th power meters per second, in kilometers per hour???

1 answer:

7 0

(6.4 x 10^8 meter/sec) x (1 km / 1,000 meter) x (3,600 sec/hour) =

(6.4 x 10^8 x 3,600 / 1,000) km/hour =

177-7/9 km/hour

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Find the missing value. (√24-√k)(√24+√k)=5

Anna [14]

Answer:

k = 19

Step-by-step explanation:

Identity

(a + b)(a - b) = a² - b²

Simplifying the LHS (Left Hand Side)

(√24-√k)(√24+√k)
(√24)² - (√k)²
24 - k

Equating to the RHS

24 - k = 5
k = 24 - 5
k = 19

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What type(s) of symmetry does the figure have? (Check all that apply.)

monitta

2 Answers: A) line symmetry and B) rotational symmetry

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Explanation:

We have line symmetry because we can draw a vertical line down the center, and this is a mirror line. One half folds over the vertical line to match up with the other half. There are other lines of symmetry as well.

We also have rotational symmetry because we can rotate the figure some amount of degrees and have it line up with its original image. The before and after will be identical. This applies to any regular polygon.

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3 years ago

he U.S. Bureau of Labor Statistics reports that the average annual expenditure on food and drink for all families is $5700. Assu

Papessa [141]

Answer:

87.08% percentage of families spend more than $4000 annually on food and drink

Step-by-step explanation:

Given -

average annual expenditure on food and drink for all families is $5700

Mean $(\nu)$ = 5700