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Tresset [83]
3 years ago
6

The number of bacteria y in a certain area doubles every hour x which function could be used to model this situation

Mathematics
1 answer:
SVEN [57.7K]3 years ago
7 0

Answer:

the number for it is 1200

Step-by-step explanation: so just find what equation is equal to

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If P=(-2,5) and (x,-27), find all numbers x such that the vector represented by PQ has length -40
Akimi4 [234]

Answer:

  x ∈ {-26, 22}

Step-by-step explanation:

A graph shows that the points (-26, -27) and (22, -27) lie on a circle of radius 40 centered at (-2, 5). That is, if Q is either one of these points, the vector PQ will have a length of 40:

  • √((-26-(-2))^2 +(-27-5)^2) = √((-24)^2 +(-32)^2) = √1600 = 40
  • √((22 -(-2))^2 +(-27 -5)^2) = √(24^2 +(-32)^2) = √1600 = 40

You can call it -40 if you like, but you have to define what negative length means when you do that.

8 0
3 years ago
Determine whether the ordered pair (6, 1) satisfies the equation y = 10 - 4x
Viktor [21]
Plug in the point
1 = 10 - 4(6)
1 = 10 - 24
1 = -14, false
Solution: B
4 0
3 years ago
There are 90 kids in the band. 20% of the kids own their own instruments, and the rest rent them.How many kids own their own ins
Kryger [21]

Answer:

18 kids

Step-by-step explanation:

because you multiply 0.2 by 90 and it equals 18

3 0
2 years ago
Sarah is going to invest $280 and leave it in an account for 9 years. Assuming the
Alisiya [41]

Answer:

4.2%

Step-by-step explanation:

5 0
2 years ago
What is the value of x.
Phantasy [73]
8^2-6^2=28
the square root of 28 is 5.29
5.29×2=10.58
x=10.58
7 0
3 years ago
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