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Brilliant_brown [7]
3 years ago
5

Help me help me help me

Mathematics
2 answers:
masha68 [24]3 years ago
8 0
Answer is D you can use a calculator to find square root and then round to find answer
vovangra [49]3 years ago
3 0

Answer:

the √78 would be 8.832 so D

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There are 158 birds on the endangered species list in some year. this is 16 more than twice the number of reptiles on the list.
S_A_V [24]
Let the number of reptiles on endangered list be 'x'

2x + 16=158

2x=158-16

2x=142

x=71

So there are 71 reptiles on the endangered list
5 0
3 years ago
Over a period of 3 hours, the outside temperature changed an average of -2.250 Fahrenheit per hour. Which statement correctly de
Leona [35]

Answer: A

Step-by-step explanation: The question states that the change wasn't a positive one, it was a negative one as it states that the temperature changed an average of -2.250 Fahrenheit per hour. So, we multiply that by 3 to get -6.75. This is why A is correct.

7 0
1 year ago
If
Nitella [24]

Since profit can't be negative, the production level that'll maximize profit is approximately equal to 220.

<h3>How to find the production level that'll maximize profit?</h3>

The cost function, C(x) is given by 12000 + 400x − 2.6x² + 0.004x³ while the demand function, P(x) is given by 1600 − 8x.

Next, we would differentiate the cost function, C(x) to derive the marginal cost:

C(x) = 12000 + 400x − 2.6x² + 0.004x³

C'(x) = 400 − 5.2x + 0.012x².

Also, revenue, R(x) = x × P(x)

Revenue, R(x) = x(1600 − 8x)

Revenue, R(x) = 1600x − 8x²

Next, we would differentiate the revenue function to derive the marginal revenue:

R'(x) = 1600 - 8x

At maximum profit, the marginal revenue is equal to the marginal cost:

1600 - 8x = 400 − 5.2x + 0.012x

1600 - 8x - 400 + 5.2x - 0.012x² = 0

1200 - 2.8x - 0.012x² = 0

0.012x² + 2.8x - 1200 = 0

Solving by using the quadratic equation, we have:

x = 220.40 or x = -453.73.

Since profit can't be negative, the production level that'll maximize profit is approximately equal to 220.

Read more on maximized profit here: brainly.com/question/13800671

#SPJ1

6 0
2 years ago
Question: (look at image above) (giving 25 points, please DONT COMMENT IF U DONT KNOW)
Katen [24]

Answer:

The only two that share both of these qualities are the isosceles triangle and the isosceles right triangle.

8 0
3 years ago
Which line shows the first error in the solution 6(x+2)=24
anzhelika [568]
Line 4. 12 would be divided by 6, not multiplied. 
8 0
3 years ago
Read 2 more answers
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