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Gre4nikov [31]
3 years ago
12

Roman numeral xxiii

Mathematics
2 answers:
Delicious77 [7]3 years ago
8 0
<span>Roman numeral 'XXIII' is; <span>23</span></span>
Elden [556K]3 years ago
3 0
X= 10


I= 1

10+10+1+1+1= 23

I hope this helps! 
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Tanner made his aunt a garden. The width is 9 4/5 ft and the length is 5 3/4 ft. What is the area of
ratelena [41]

Answer:

56.35 ft^2, or 56 7/20 ft^2

Step-by-step explanation:

One way of doing this problem quickly is to convert both measurements into improper fractions before multiplying them:

9 4/5 = 49/5 and 5 3/4 = 23/4.

Then the area of the garden is 49/5 times 23/4, or 1127/20 ft^2, or

56.35 ft^2, or 56 7/20 ft^2.

3 0
3 years ago
Find the equation of the line that passes through the point and is perpendicular to the line 3d
professor190 [17]
This on is very easy go to my website so i can explain it better for you

 <span>https://www.youtube.com/channel/UCaxhPMTZBmFcxAZ4hYpBf_w 
</span>
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7 0
3 years ago
The percent of concentration of a certain drug in the bloodstream x hours after the drug is administered is given by K(x) 5x/x^2
Olegator [25]

Given :

The percent of concentration of a certain drug in the bloodstream x hours after the drug is administered is given by K(x) = \dfrac{5x}{x^2+9}.

To Find :

Find the time at which the concentration is a maximum. b. Find the maximum concentration.

Solution :

For maximum value of x, K'(x) = 0.

K'(x) = \dfrac{5(x^2+9)- 5x(2x)}{(x^2+9)^2}=0\\\\5x^2+45-10x^2=0\\\\5x^2 = 45\\\\x = \pm 3

Since, time cannot be negative, so ignoring x = -3 .

Putting value of x = 3, we get, K(3) = 15/( 9 + 9) = 5/6

Therefore, maximum value drug in bloodstream is 5/6 at time x = 3 units.

Hence, this is the required solution.

5 0
3 years ago
A container has 3 apple juice boxes, 4 grape juice boxes and 5 orange juice boxes. Alex picks one juice box, drinks it and then
Eduardwww [97]

Hey!

Grape over total: \frac{4}{12}

After he drinks 1, there will be 1 less. That means it will be over 11

Orange over total: \frac{5}{11}

Now multiply the fractions

\frac{4}{12} \times \frac{5}{11} = \frac{20}{132} \rightarrow \frac{10}{66} \rightarrow \frac{5}{33}

That means the probability is: \frac{5}{33}

Good luck and hope this helps! :)

4 0
3 years ago
Line QR goes through points Q(0,1) and R(2,7). which equation represents line QR
vodka [1.7K]
M= (7-1)/(2-0)=3
y=3x + c
plug in Q 
1= 3 x 0 +c
=> c =-2
=> the equation represents line QR is y=3x -2
3 0
3 years ago
Read 2 more answers
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