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Burka [1]
3 years ago
8

Evaluate this pls quiick i have 18 min left online exams help -0.0004 x 0.02

Mathematics
1 answer:
lions [1.4K]3 years ago
3 0

Given:

The expression is:

0.0004\times 0.02

To find:

The value of the given expression.

Solution:

We have,

0.0004\times 0.02

It can be written as:

=\dfrac{4}{10000}\times \dfrac{2}{100}

=\dfrac{8}{1000000}

=0.000008

Therefore, the value of the given expression is 0.000008.

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LekaFEV [45]
The appropriate choice is ...
.. <span>A. The initial amount in the account does not change because it is a factor that is independent of both the interest rate and t.

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In general, each of the variables in a formula is independent of the others. (Occasionally, you'll see a formula where that is not true, but then the "variable" will likely be indicated as a function of those things it is dependent upon.)</span>
6 0
3 years ago
What is the value of the expression x-3y when x = 6 and y = 12
elena55 [62]

Answer:

-30

Step-by-step explanation:

  1. Plug in the values of x and y: 6 - 3(12)
  2. 3(12) = 3 × 12 = 36
  3. Plug 36 in: 6 - 36
  4. 6 - 36 = -30

I hope this helps!

7 0
3 years ago
Tim answered all the questions on his math test but got 101010 answers wrong. He received 444 points for every correct answer, a
3241004551 [841]

Answer:

Step-by-step explanation:

Let x represent the number of questions that Tim got right in the math test.

The number of questions that Tim got wrong in the math test is 10.

If the total number of questions on the math test is q, it means that

x + 10 = q

If he received 4 points for every correct answer and there was no penalty for wrong answers, it means that he received 0 point for a wrong answer. If

his score was 76 points, it means that

4x + 0 × 10 = 76

4x = 76

Therefore, the required equations are

x + 10 = q

4x = 76

6 0
2 years ago
Read 2 more answers
(a) A lamp has two bulbs, each of a type with average lifetime 1400 hours. Assuming that we can model the probability of failure
Temka [501]

Answer:

For first lamp ; The resultant probability is 0.703

For both lamps; The resultant probability is 0.3614

Step-by-step explanation:

Let X be the lifetime hours of two bulbs

X∼exp(1/1400)

f(x)=1/1400e−1/1400x

P(X<x)=1−e−1/1400x

X∼exp⁡(1/1400)

f(x)=1/1400 e−1/1400x

P(X<x)=1−e−1/1400x

The probability that both of the lamp bulbs fail within 1700 hours is calculated below,

P(X≤1700)=1−e−1/1400×1700

=1−e−1.21=0.703

The resultant probability is 0.703

Let Y be a lifetime of another lamp two bulbs

Then the Z = X + Y will follow gamma distribution that is,

X+Y=Z∼gamma(2,1/1400)

2λZ∼

X+Y=Z∼gamma(2,1/1400)

2λZ∼χ2α2

The probability that both of the lamp bulbs fail within a total of 1700 hours is calculated below,

P(Z≤1700)=P(1/700Z≤1.67)=

P(χ24≤1.67)=0.3614

The resultant probability is 0.3614

8 0
3 years ago
Sharon is buying a circular rug for her living room. The diameter of the rug is 8 feet. Which measurement is closest to the area
Vanyuwa [196]

Answer:

B) 50.24 ft^2

Step-by-step explanation:

radius =1/2 diameter = 4

area = Pi(r^2) = 3.14(4^2) = 3.14(16) = 50.24

6 0
3 years ago
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