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Zolol [24]
3 years ago
13

Find the surface area of the pyramid

Mathematics
1 answer:
jolli1 [7]3 years ago
5 0

The surface area is ≈ 451.92

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The half-life of a radioactive isotope is the time it takes for a quantity of the isotope to be reduced to half its initial mass
krok68 [10]
So, 0.5^5 is 0.03125
multiply that by 125 and get your answer.
*3.90625* (4)
just saying, I got the 0.5^5 thing because 5 is the number of half-lives (x) and 0.5 is the rate of loss (or whatever its called).
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7 0
3 years ago
A line passes through the point (4, -6) and has a slope of 3/2 . Write an equation in slope-intercept form for this line.
tatyana61 [14]

A slope intercept form: y = mx + b where m = slope and b = y -intercept

A slope of 3/2 is given

So y = 3/2 x + b

To find b:

b = y - mx

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b = -6 - (3/2)(4)

b = -6 - 6

b = - 12

Answer

Equation in  slope intercept form:  y = 3/2 x - 12


8 0
3 years ago
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Lusita earned $85 for 8 hours of babysitting. Avery earned $125 for 11 hours of babysitting. Are the rates equivalent
weeeeeb [17]
No, avery makes more then lusita
7 0
3 years ago
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42 is 64% of what number
steposvetlana [31]
Answer: x = 65.63
Explanation:
We have, 64% × x = 42 or, 64/100 × x = 42
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x = 65.63

4 0
3 years ago
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5 questions plz answer all of them if you do you will get points, thanks, Brainliest answer,
babunello [35]
1. 1/6

2. 1/8

3. 80%

4. 1/5

5. 2/8 or 25%
5 0
3 years ago
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