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VMariaS [17]
3 years ago
14

What is the distance between -11 and 1 on the number line? *

Mathematics
1 answer:
Sloan [31]3 years ago
4 0

Answer:

12

Step-by-step explanation:

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Wade is 6 years older than Mariah in 8 years the sum of their ages will be 80 how old is Wade now
Korolek [52]
I don't know if I am right, but the answer is 35.

Wade:35
Mariah:29
(35+8)+(29+8)=80
35-29=6
7 0
3 years ago
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Is this right???? Can someone please help?
d1i1m1o1n [39]
This is a logistic growth model, so, we can set the function's differential equation equal to 0 and solve for p, then for y. So, let's take the derivative of this function and set it to 0:
\frac{dp}{dt} = 0.005p(300-p) = 1.5p-0.005p^2
\frac{d^2p}{dt^2} = 1.5 - 0.01p =0
-0.01p = -1.5
p = \frac{-1.5}{-0.01} = 150

Now, for a logistic model, the general solution is in the form of:
p = \frac{L}{1+Ce^{-ky}}
for
\frac{dp}{dt} = kp(L-p)

You haven't been given the 'C' constant, so I don't have a clue as to where to go after this. Sorry, we are yet to go over logistic growth in BC class. I could take you this far by just researching. If you have further questions, I'd be happy to answer them.
3 0
3 years ago
Solve mixture problems. George wishes to increase the percent of acid in 50m / of a 15% acid solution in water to 25% acid, how
fenix001 [56]

Answer:

x = amount of pure acid to be added = 6.67ml

Step-by-step explanation:

George wishes to increase the percent of acid in 50ml of a 15% acid solution in water to 25% acid, how much pure acid must you add?

let

x = amount of pure acid to be added

15% of 50 + x = 25% of 50 + x

(0.15 * 50) + x = 0.25(50 + x)

7.5 + x = 12.5 + 0.25x

Collect like terms

x - 0.25x = 12.5 - 7.5

0.75x = 5

x = 5/0.75

x = 6.6666666666666

Approximately,

x = 6.67

x = amount of pure acid to be added = 6.67ml

7 0
3 years ago
Which expression is equivalent to 1 over 5 m − 20?
laiz [17]

1

-----------

5m -20


factor out a 5 in the denominator

1

-----------

5 (m -4)


Choice A

7 0
3 years ago
Giải phương trình vi phân : <br> (4x-y)dx+(x+y)dy=0
V125BC [204]

Answer:

b

Step-by-step explanation:

4 0
3 years ago
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