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mariarad [96]
2 years ago
12

Exponential function f is represented by the table.

Mathematics
1 answer:
bearhunter [10]2 years ago
8 0

Answer:

i don't know

Step-by-step explanation:

because I'm not smart

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Bagaimana cara membuktikan bahwa persamaan garis tegak lurus itu benar
Tems11 [23]
Ketika dua garis tegak lurus, kemiringan satu adalah timbal balik negatif dari yang lain.Jika kemiringan satu baris adalah m, kemiringan yang lain adalahCoba ini Drag poin C atau D. Catatan lereng ketika garis tegak lurus satu sama lain.
Ketika dua garis tegak lurus satu sama lain (di sudut kanan atau 90 °), lereng mereka memiliki hubungan khusus satu sama lain. Jika kemiringan satu baris adalah m maka kemiringan garis lainnya adalah timbal balik negatif m. 
7 0
3 years ago
Two trains started moving at the same time, train A from Boston to New York, and train B from New York to Boston. The distance b
Ede4ka [16]

Answer:

  • <u>After 1.7 hours</u>

Explanation:

<u>1. Calculate the average speed of train B</u>

  • 60mph = 3/4 (s) ⇒ s = 60 (4/3) mph = 80 mph

<u>2. Build a table</u>

When the two trains meet:

Train     Average speed     Distance       time (distance/average speed)

                 mph                            

A                 60                             x                        x/60

B                 80                        240 - x                (240 - x) / 80

<u>3. Write the equation</u>

The time, when the two trains meet, is the same for both trains:

                  \dfrac{x}{60}=\dfrac{240-x}{80}\\ \\ \\ 80x=14,400-60x\\ \\ 80x+60x=14,400\\ \\ 140x=14,400\\ \\ x=14,400/140\\ \\ x=102.85miles

<u>4. Calculate the time:</u>

  • x/60 = 102.86 / 60 = 1.7 hours

The two trains will meet after 1.7 hours

7 0
2 years ago
Write two equations. the first equation should express the area of the square (a as a function of the length (l of a side. the s
Sergeu [11.5K]

Answer:

a = l²

v = s³

Step-by-step explanation:

The area of a rectangle is the product of its length and width. When that rectangle is a square, the length and width are the same. Here, they are given as "l". Then the area of the square is ...

a = l·l = l²

__

The volume of a cuboid is the product of its height and the area of its base. A cube of edge length s has a square base of side length s and a height of s. Then its volume will be ...

v = s·(s²) = s³

The two equations you want are ...

• a = l²

• v = s³

6 0
2 years ago
If a chicken lays 16 eggs every 40 days, what is the average number of eggs she lays per day?
Basile [38]

Answer:

40 / 16 = 2.5

Step-by-step explanation: ur telling me this is highschool math? lol. im in middle school but took this stuff in third grade.

5 0
2 years ago
Read 2 more answers
Express 80 miles per hour in kilometers per hour
Anna [14]
80 miles per hour is 128.74752 kilometers per hour
8 0
3 years ago
Read 2 more answers
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