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Vedmedyk [2.9K]
2 years ago
10

Give me the right answer please i will give u half of my points i have 320 pleaseee im in a test rn

Mathematics
2 answers:
Leviafan [203]2 years ago
5 0
y=1/2x-2 that’s a type of answer!
-Dominant- [34]2 years ago
3 0
Y=1/2x-2 that’s the answer I think.
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Make three contrectic circles with radius is 2.4cm,3.8cm and 5.4cm​
wariber [46]

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3 years ago
The half-life of cesium-137 is 30 years. Suppose we have a
VMariaS [17]
(a) If y(t) is the mass (in mg) remaining after t years, then y(t) = y(0) e^{kt}=100e^{kt}.

y(30) = 100 e^{30k} = \frac{1}{2}(100) \implies e^{30k} = \frac{1}{2} \implies k = -(\ln 2) /30 \implies \\ \\
y(t) = 100e^{-(\ln 2)t/30} = 100 \cdot 2^{-t/30}

(b) y(100) = 100 \cdot 2^{-100/30} \approx \text{9.92 mg}

(c)
100 e^{- (\ln 2)t/30} = 1\ \implies\ -(\ln 2) t / 30 = \ln \frac{1}{100}\ \implies\ \\ \\
t = -30 \frac{\ln 0.01}{\ln 2} \approx \text{199.3 years}
 
3 0
3 years ago
Trigonometry
Alla [95]

90° is equal to  \frac{\pi}{2} or 1.5707 radians.

Step-by-step explanation:

Step 1:

If an angle is represented in degrees, it will be of the form x°.  

If an angle is represented in radians, it will be of the form \frac{\pi}{x} radians.

To convert degrees to radians, we multiply the degree measure by \frac{\pi}{180}.

For the conversion of degrees to radians,

the degrees in radians = (given value in degrees)(\frac{\pi}{180}).

Step 2:

To convert 90°,

90 (\frac{\pi}{180} ) = \frac{\pi}{2}.

0.5 \pi = 1.5707 radians.

So 90° is equal to \frac{\pi}{2} or 1.5707 radians.

3 0
4 years ago
What's 1 + 1 ? <br> I need 5 lines of steps tyvm
GREYUIT [131]

1+1\\\\= 1+1\\\\=1+1\\\\=1+1\\\\=2

3 0
2 years ago
Read 2 more answers
What should be subtracted from -9876 to obtain -9512​
Sliva [168]

Answer:

-364 should be subtracted

Step-by-step explanation:

subtract -9876 from -9512 to see what number u will get and them that's the number that will obtain -9512

-9876

-9512

_

_______

-364

-9876

-364

_

_______

-9512

5 0
3 years ago
Read 2 more answers
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