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vova2212 [387]
3 years ago
13

How many 1/3 pound paperback books together weigh 25 pounds?

Mathematics
1 answer:
dlinn [17]3 years ago
8 0
75 I think since 75 divided by 3 equals 25
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Find the distance between the points (-6, -8) and (0, -10).
inn [45]

Answer:

2√10

Step-by-step explanation:

-√(x2-x1) squared +(y2-y1) squared

-√(0-(-6)) squared +(-10-(-8)) squared

- simplify and get 2√10 which you can simply further to 6,32( rounded off to two decimal places)

5 0
2 years ago
If 1 and -1 are the zeroes of the polynomial p(x) = ax 3 + x 2 − 2x + b, find the values of a and b
vampirchik [111]

Answer:

<h2>              a = 2,    b = -1  </h2>

Step-by-step explanation:

p(x) = ax³ + x² - 2x + b

p(1) = a(1)³ + 1² - 2•1 + b = a + 1 - 2 + b = a + b - 1

a + b - 1 = 0  ⇒   b = 1 - a

p(-1) = a(-1)³ + (-1)² - 2(-1) + b = -a + 1 + 2 + b = - a + b + 3

- a + b + 3 = 0    ∧   b = 1 - a

- a + (1 - a) + 3 = 0

- a + 1 - a + 3 = 0

-2a + 4 = 0

-2a = -4

 <u>a = 2</u>

<u>b = 1 - 2 = -1</u>

6 0
3 years ago
What is the sum of the 5th cube number and the 4th cube number
dimulka [17.4K]
Answer:
129
Step-by-step explanation:
4+125=129 hope this helps
6 0
3 years ago
if a knockout tennis competition starts with 64 players how many runs will it take to reach the grand final show your steps usin
snow_tiger [21]

Answer:

  • 5 runs

Step-by-step explanation:

Initial number is 64 players

<u>Number of players reduce twice every run and will be equal to 2 to reach the grand final</u>

  • 64*(1/2)^x = 2
  • (1/2)^x = 1/32
  • 2^-x = 2^-5
  • -x = -5
  • x = 5

Number of runs is 5

64 > 32 > 16 > 8 > 4 > 2

8 0
2 years ago
What is the distance between (1,-2) and (6,10)
Bad White [126]

Answer:

5 left, (5,_) and 12 up. (5,12)

Step-by-step explanation:

5 0
3 years ago
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