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scoundrel [369]
2 years ago
6

How much do the cars weigh? URGENT! I need this before tomorrow!

Mathematics
1 answer:
faltersainse [42]2 years ago
6 0

Answer:

Here is the short answer. The U.S. Environmental Protection Agency states that the average weight of a car in 2018 was 4,094 pounds.

Step-by-step explanation:

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For a certain​ drug, the rate of reaction in appropriate units is given by Upper R prime (t )equalsStartFraction 2 Over t plus 1
Tems11 [23]

Answer:

a) 8.13

b) 4.10

Step-by-step explanation:

Given the rate of reaction R'(t) = 2/t+1 + 1/√t+1

In order to get the total reaction R(t) to the drugs at this times, we need to first integrate the given function to get R(t)

On integrating R'(t)

∫ (2/t+1 + 1/√t+1)dt

In integration, k∫f'(x)/f(x) dx = 1/k ln(fx)+C where k is any constant.

∫ (2/t+1 + 1/√t+1)dt

= ∫ (2/t+1)dt+ ∫ (1/√t+1)dt

= 2∫ 1/t+1 dt +∫1/+(t+1)^1/2 dt

= 2ln(t+1) + 2(t+1)^1/2 + C

= 2ln(t+1) + 2√(t+1) + C

a) For total reactions from t = 1 to t = 12

When t = 1

R(1) = 2ln2 + 2√2

≈ 4.21

When t = 12

R(12) = 2ln13 + 2√13

≈ 12.34

R(12) - R(1) ≈ 12.34-4.21

≈ 8.13

Total reactions to the drugs over the period from t = 1 to t= 12 is approx 8.13.

b) For total reactions from t = 12 to t = 24

When t = 12

R(12) = 2ln13 + 2√13

≈ 12.34

When t = 24

R(24) = 2ln25 + 2√25

≈ 16.44

R(12) - R(1) ≈ 16.44-12.34

≈ 4.10

Total reactions to the drugs over the period from t = 12 to t= 24 is approx 4.10

3 0
3 years ago
2 Points
weqwewe [10]

Answer:

12

Step-by-step explanation:

An isosceles triangle are three sides of two sides being equal in lengths.

If that is the case, the two opposite slanting sides which are equal, must be longer. Invariably, the third side is 12.

5 0
3 years ago
Draw a number line to represent the inequality.<br> 8&gt;x
Lilit [14]
Thts the answer because 8 is bigger than X the arrow goes to the left because 8 is bigger than numbers 1-7

6 0
4 years ago
A chef uses 5 pounds of flour to bake 120 blueberry muffins.
azamat
B.
You have to find how much blueberry muffins you could make with one pound of flour.
4 0
3 years ago
Read 2 more answers
Write your answer without using negative exponents
Reil [10]

Answer:

\frac{1}{ {u}^{42} }

Step-by-step explanation:

From law of indices

5 0
3 years ago
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