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Ierofanga [76]
3 years ago
11

Select the correct answer.

Mathematics
2 answers:
Bogdan [553]3 years ago
7 0

Answer:

  • C. 044

Step-by-step explanation:

<u>Probability of oil:</u>

  • P(oil) = 45%

<u>Probability of no oil:</u>

  • P(no oil) = 100% - 45% = 55% = 0.55

<u>Probability of testing for no oil:</u>

  • P(test no oil) = 0.55*0.8 = 0.44

Correct choice is C

777dan777 [17]3 years ago
3 0

Answer:

the answer is A. 0.09

Step-by-step explanation:

internet :)

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What 4 1/2 meters equal to
max2010maxim [7]

Answer:

4 1/2 meters is equal to 4.5

Step-by-step explanation:

This is the correct answer to 4 1/2 meters. :)

7 0
3 years ago
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Cody Summer sells tires for tractor trailers. He earns 4.5 percent commission on the first $6,000, 8 percent on the next $6,000,
Paladinen [302]
The Answer is  $1,470.
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3 years ago
You have $30 to spend on gas for your vehicle this week. If gas costs $2.42 per gallon, how many gallons of gas can you buy? Rou
BartSMP [9]

Answer:

you can get 12 gallons on gas

Step-by-step explanation:

x/30=1/2.42

step 1) cross multiply

x * 2.42 = 1 * 30

2.42x=30

step 2) divide both sides by 2.42

2.42x/2.42 = 30/2.42

= 12.396694

round to the nearest gallon

≈12 gallons

5 0
3 years ago
Which statements accurately describe the function f(x) = 3(16)^3/4? Check all that apply.
uysha [10]

Answers:

These are the statements that apply:

The initial value is 3.

The range is y >0.

The simplified base is 8.

Explanation:

1) Given expression:

f(x)=3(16)^{\frac{3}{4} x

2) Check every statement:

a) The initial value is 3?

initial value ⇒ x = 0 ⇒

f(0)=3(16)^{0}=3(1)=3

∴ The statement is right.

b) The initial value is 48?

Not, as it was already proved that it is 3.

c) The domain is x > 0?

No, because the domain of the exponential functions is all the Real numbers.

d) The range is y > 0?

That is correct, the exponential function is continuous, and monotonon increasing.

The limit when x → - ∞ is zero, but y never reaches zero, and the limit when x → ∞ is + ∞, meaning that the range is y > 0.

e) The simplified base is 12?

This is how you simplify the base:

3(16)^{\frac{3}{4} x}=3{{(16}^{(3/4)})}^x=3(16^{3/4}})^{x}=3((2^4)^{3/4})^x=3(2^3)^x=3(8)^x

Which shows that the simplified base is 8 (not 12).

f) The simplified base is 8?

Yes; this was just proved.

6 0
3 years ago
Read 2 more answers
Write a scenario that could be represented by this equation: 3/4x = 12
Aneli [31]

Answer:

x=1 or x=16

Step-by-step explanation:

3/4x = 12      or        0.75x = 12

3/4x/3/4 = 12/3/4     or     0.75x/0.75 = 12/0.75

x=12/1 / 3/4

x= 4/4

x = 1                           or       x = 16

8 0
2 years ago
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