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Burka [1]
3 years ago
5

Which best describes the error in finding the surface area of the cylinder? I aM CoNfuSiOn

Mathematics
2 answers:
Kazeer [188]3 years ago
7 0

The area of only one base was added. The first term should have a factor of 2.

xxMikexx [17]3 years ago
6 0
The mistake is the first equation where S = blah blah. The equation or the formula to find the surface area of the cylinder is wrong.

Hope this helps if so mark me the brainiest!!
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The amount of bacteria in a petri dish increases at a rate proportional to the amount present. At time t=0, the amount of bacter
Lilit [14]

Answer:

Step-by-step explanation:

Formula to be used is N=N0e^(kt)

N0 - amount of bacteria at time 0, which is 10g

t=2, 30g

30 = 10*e^(k*2)

3 = e^(2k)

2k = ln3

k = 0.5ln3

At t=6:

N = 10*e^(0.5ln3*6)

N = 10e^(3ln3)

N = 10e^ln27

N = 10*27 =270

So the amount of bacteria at t=6 is 270

6 0
3 years ago
In the regression equation, what does the letter "b" represent? Select one:
dedylja [7]

Answer:

b. The slope of the line

Step-by-step explanation:

To explain the question statement, first we view the pattern of regression of equation which is

Y=a+bx

Where Y is dependent variable and x is an independent variable.

a represents the Y-intercept and depicts the value of dependent variable y when independent variable x=0. b represents the slope in the regression equation and interpreted as unit change in dependent variable Y due to unit change in independent variable X.

5 0
3 years ago
3. A ladder is placed 5ft away from a building. The ladder comes up to 12 ft on the side of the
irina [24]

Answer:

13 feet long

Step-by-step explanation:

This situation forms a right triangle, where the ladder is the hypotenuse, the distance away from the building is the short leg, and the height to the side of the building is the long leg.

Use the pythagorean theorem, and solve for c, the hypotenuse:

a² + b² = c²

5² + 12² = c²

25 + 144 = c²

169 = c²

13 = c

So, the ladder is 13 feet long

8 0
2 years ago
Read 2 more answers
Find the length of one edge of the cube. <br> Edge length = Answer inches
ycow [4]

Volume

V = l³

length (inverse formula)

l = ∛512

l = 8 in (your answer)

5 0
3 years ago
Select the answer with the correct number of significant figures for each calculation. (6.022 × 10^23) × 2.58 = 1.55 × 10^24 1.5
maxonik [38]

Answer:

1.55 × 10^24

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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