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2 years ago

9

An employee worked for 8 hours in 2 days, 6 hours on 1 day and 4 hours on 2 days. What is the average number id hours the employ

ee worked per day?

2 answers:

Kitty [74]2 years ago

5 0

Answer:

you are stupid

lol im kidding im finding the answer

frosja888 [35]2 years ago

4 0

Answer:

when you add:18 hours

When you multiply:192 hours

Step-by-step explanation:

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The triangles below are similar. <br><br> Which statement about the triangles is true?

Stells [14]

In pretty sure it is F

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2 years ago

The value of a certain car decreases by 16% each year. What is the 1⁄2-life of the car?

svet-max [94.6K]

Answer:

The half life of the car is 3.98 years.

Step-by-step explanation:

The value of the car after t years is given by the following equation:

$V(t) = V(0)(1-r)^{t}$

In which V(0) is the initial value and r is the constant decay rate, as a decimal.

The value of a certain car decreases by 16% each year.

This means that $r = 0.16$

So

$V(t) = V(0)(1-r)^{t}$

$V(t) = V(0)(1-0.16)^{t}$

$V(t) = V(0)(0.84)^{t}$

What is the 1⁄2-life of the car?

This is t for which V(t) = 0.5V(0). So

$V(t) = V(0)(0.84)^{t}$

$0.5V(0) = V(0)(0.84)^{t}$

$(0.84)^{t} = 0.5$

$\log{(0.84)^{t}} = \log{0.5}$

$t\log{0.84} = \log{0.5}$

$t = \frac{\log{0.5}}{\log{0.84}}$

$t = 3.98$

The half life of the car is 3.98 years.

7 0

3 years ago

What are the approximate solutions of 4x^2 + 3 = -12x to the nearest hundredth

iVinArrow [24]

Approximate solutions are

X subset 2 is approximately equal to -2.72

X subset 1 is approximately equal to -0.28

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3 years ago

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Darryl wants to add enough water to 8 gallons of a 10% bleach solution to make a 5% bleach solution. Which equation can he use t

Margarita [4]

Answer:

2) 0.8/8+x=5/100

Step-by-step explanation:

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2 years ago

Evaluate the expression w 2 - v + 1 for w = -2 and v = -8. <br> A. 5<br> B. 13<br> C. -11<br> D. -3

11Alexandr11 [23.1K]

W² - v + 1

(-2)² - (-8) + 1

4 + 8 + 1 = 13

B.13 is your answer

(two negatives = one positive)*
(plug in -2 for w, and -8 for v)
(is that w², or do you mean 2w?)

hope this helps

5 0

2 years ago

Read 2 more answers