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kari74 [83]
3 years ago
11

Evaluate 10 - (x + 3) when 2 = 2. ​

Mathematics
2 answers:
Phantasy [73]3 years ago
4 0

Answer:

5

Step-by-step explanation:

Im asuming you meant " x = 2 ".

According to PEMDAS, parenthese come first so...

10 - ( 2 + 3 )

= 10 - 5

= 5  

butalik [34]3 years ago
4 0

Answer:

its 50

Step-by-step explanation:

10 times (x+3)  x=2

2 plus 3 is 5  

10 time 5

   =50

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agasfer [191]

Answer:

B. 40 cibic inches

Step-by-step explanation:

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3 years ago
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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

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When t = 12

R(12) = 2ln13 + 2√13

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≈ 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

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R(12) = 2ln13 + 2√13

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When t = 24

R(24) = 2ln25 + 2√25

≈ 16.44

R(12) - R(1) ≈ 16.44-12.34

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

3 0
3 years ago
Missing fraction<br> blank + 1/16 = 3/2
skad [1K]

Answer: 1/2

Step-by-step explanation:

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= 8/16; divide through by a common value of 8

x = 1/2

I hope this helps.

4 0
3 years ago
There are 27 pupils. There are twice as many boys than girls. how many boys and girls are there
Anna71 [15]
Let x  =  the numbers of girls
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3 0
3 years ago
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MatroZZZ [7]

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