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lyudmila [28]
2 years ago
10

Idek the answer please help

Mathematics
2 answers:
VashaNatasha [74]2 years ago
4 0

Answer:

A.

Step-by-step explanation:

VMariaS [17]2 years ago
3 0

y⁵ ÷ y⁹

= y⁵-⁹

= y-⁴ [ 3rd answer ]

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While testing a new vaccine, a lab technician noticed that the number of bacteria reduced by half every minute. How long does it
son4ous [18]
To start, find your equation, n=3000(.5)^t, n being your number of bacteria and t being your time. Now plug in 375 for n and solve for t, 375=3000(.5)^t, .125=.5^t, t=log_{.5} .125=3. This means your answer is 3 minutes. To check it, plug it into your equation. n=3000(.5)^t=3000(.125)=375
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3 years ago
There was a bus that hit there was 2 married people and ten other passengers every single person died. how many people are alive
musickatia [10]

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Step-by-step explanation:

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3 years ago
Point D is in the interior of ∠ABC. What is m∠DBC?
Rudiy27

37.5 degrees

we know angled like this always have 180 degrees total between the 2. which means we can set up a little equation to solve for x. The equation is (3x+22)+(x-4)= 180. Initially we can take the solid numbers (22 and -4) and get rid of them by taking them to the 180. 180- 22 is 158. 158 + 4 is 162. now we have 3x + x = 162. we combine like terms. means we end up with 4x =162. We now divide by 4 which means we get 40.5. Now we know x is 40.5. Now dbc is just 40.5- 4 which is 37.5.

3 0
2 years ago
A projectile with an initial velocity of 48 feet per second is launched from a building 190 feet tall. The path of the projectil
Ghella [55]

Answer: C: 226ft

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Sara opens a bank account with $200. The account accrues 2% interest compounded annually.
AleksAgata [21]
<span>A=P(1+rn)nt
A=200(1+.02)^3
A=200(1.02)^3
A=200(1.061208)
A=</span><span>212.2416
which u round to 212.24</span>
5 0
3 years ago
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