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olga_2 [115]
3 years ago
12

I need a free maths tutor please :)

Mathematics
2 answers:
Kryger [21]3 years ago
6 0

Answer:

l can tutor you

Step-by-step explanation:

Masteriza [31]3 years ago
5 0

Answer:

l can tutor you lol

Step-by-step explanation:

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Plutonium-240 decays according to the function where Q represents the quantity remaining after t years and k is the decay consta
taurus [48]
Note: a radioactive decay constant is always negative.

time = [natural log(ending amount / beginning amount)] / k
time = ln (20 / 24) / -.00011
time = ln (5/6) / -.00011
time = -.018232155683 / -.00011
time = <span> <span> <span> 165.7468698455 </span> </span> </span>
time = <span> <span> <span> 165.75 years

</span></span></span>

7 0
3 years ago
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What is the equation in slope-intercept form of a line that is parallel to y=2x+5 and passes through the point (2, 8)?
trapecia [35]

Answer:

Step-by-step explanation:

y - 8 = 2(x - 2)

y - 8 = 2x - 4

y = 2x + 4

5 0
2 years ago
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if you have a 2 digit divisor and a three digit dividend does the quotient always have the same number of digits
777dan777 [17]
Yes it will always have the same number of digits in the quotient
8 0
3 years ago
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In training to run a half marathon, Jenny ran 2/5 hours on Tuesday, 11/6 hours on
maria [59]

Answer:

Total hours that Jenny ran = 3.63 hours.

Step-by-step explanation:

Jenny ran on Tuesday for = 2/5 hours or 0.4 hours.

Time consumed to run on Thursday = 11/6 hours or 1.83 hours.

Time consumed to run on Saturday = 21/ 15 hours or 1.4 hours.

Here, the total hours can be calculated by just adding all the running hours. So the running hours of Tuesday, Thursday, and Saturday will be added to find the total hours.

Total hours that Jenny ran = 0.4 + 1.83 + 1.4 = 3.63 hours.

6 0
2 years ago
Find the length of the arc on a circle of radius 12 feet intercepted by a central angle of 150°.
stich3 [128]
Let A = arc length of circle

A = 2πr•(degree/360°)

A = 2π(12)(150°/360°)

A = 24π(150°/360°)

Calculate the right side to find A and you're done. Take it from here.
5 0
2 years ago
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