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bazaltina [42]
2 years ago
11

A scientist started with a sample of 8 cells. The sample increased as shown in the table.

Mathematics
1 answer:
Alekssandra [29.7K]2 years ago
5 0

Answer:

100000 = 8 (4) ^t

Step-by-step explanation:

We are multiplying by 4 each time

y = a (4)^t

The initial amount is 8

y = 8 (4)^t

We want to get to 100000

100000 = 8 (4) ^t

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The linearized regression equation for an exponential data set is log ŷ = 0.14x + 0.4, where x is the number of years and y is t
djyliett [7]

Option C: 316 is the predicted population when x=15

Explanation:

The regression equation for an exponential data is \log y=0.14x+0.4

Where x is the number of years and

y is the population

We need to determine the predicted population when x=15

The population x can be determined by substituting x=15 in the equation \log y=0.14x+0.4

Thus, we have,

\log y=0.14(15)+0.4

\log y=2.1+0.4

\log y=2.5

Using the logarithmic definition \log _{a}(b)=c then b=a^{c}

\log _{10}(y)=2.5 \Rightarrow y=10^{2.5}

y=316.22776 \ldots

Rounding off to the nearest whole number, we get,

y=316

Thus, the predicted population when x=15 is 316

Hence, Option C is the correct answer.

7 0
3 years ago
Quadrilateral abcd a(-9-6), B(-4-6), c(-3-2), and D(-8-2)
Katen [24]

Step-by-step explanation:

this is the answer

the quadrilateral thus formed is parallelogram

7 0
3 years ago
Find the sum of the numbers as the product of their GCF and another sum. 35 + 49
AlladinOne [14]

Answer:

84 is what you get when you add them

14 is what you get when you factor their GCF then add

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3 0
3 years ago
(1,3) (-1,0) and (5,0) (3,-3) parallel or perpendicular
nalin [4]
Parallel bc the slopes the same!
4 0
3 years ago
What is the hydronium ion (H3O+) concentration in milk if it has a pH of 8.2?
valkas [14]
The hydronium ion is H₃O⁺ and its concentration is equivalent to the H⁺ ion concentration. The H⁺ ion concentration is given by:

pH = -log[H⁺]
[H⁺] = 10^(-8.2)
[H⁺] = 6.31 x 10⁻⁹ mole/dm³

The hydronium ion concentration is 6.31 x 10⁻⁹ mole/dm³
5 0
3 years ago
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