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trapecia [35]
3 years ago
15

Two similar prisms have heights of 4 cm and 10 cm. what is the ratio of their surface areas?

Mathematics
2 answers:
MaRussiya [10]3 years ago
8 0
The first is 4 : 25,
the second is 8:125
ioda3 years ago
6 0
The first one is B4:25
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lara31 [8.8K]

Answer:207

Step-by-step explanation: i just am really good at math

3 0
3 years ago
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Find the absolute minimum and absolute maximum values of f on the given interval. f(t) = t 9 − t2 , [−1, 3]
ahrayia [7]

The absolute minimum = -2√2.

The absolute maximum=  4.5

Consider f(t)=t√9-t on the interval (1,3].

Find the critical points: Find f'(t)=0.

f"(t) = 0

√9-t² d/dt t + t d/dt √9-t²=0

√9-t²  + t/2√9-t² (-2t)=0

9-t²-t²/√9-t²=0

9-2t²=0

9=2t²,   t²=9/2, t=±3/√2

since -3/√2∉  (1,3].

Therefore, the critical point in the interval  (1,3] is t= 3/√2.

Find the value of the function at t=1, 3/√2,3 to find the absolute maximum and minimum.

f(-1)=-1√9-1²

    = -√8 , =-2√2

f(3/√2)= 3/√2 √9-(3/√2)²

        = 3/√2 √9-9/2

      =3/√2 √9/2

     =9/2 = 4.5

f(3)= 3√9-3²

    = 3(0)

    =0

The absolute maximum is 4.5 and the absolute minimum is -2√2.

The absolute maximum point is the point at which the function reaches the maximum possible value. Similarly, the absolute minimum point is the point at which the function takes the smallest possible value.

A relative maximum or minimum occurs at an inflection point on the curve. The absolute minimum and maximum values ​​are the corresponding values ​​over the full range of the function. That is, the absolute minimum and maximum values ​​are bounded by the function's domain.

Learn more about Absolute minimum and maximum here:brainly.com/question/19921479

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6 0
2 years ago
In Statsville, MA, 76% of households own cars, 12% own motorcycles, and 8% of households own both. What is the probability that
olasank [31]

Answer:

The answer is 0.105

Step-by-step explanation:

Let cars =C and motorcycles=M.

now, P(C)=76 percent =0.76

P(M)=12 percent=0.12

P(C∩M)=8 percent =0.08

Then, the probability that a person owns a motorcycle, given they own a car, is a conditional probability given by the definition

P(M/C)=\frac{P(M∩C}{P(C)}=\frac{0.08}{0.76}=0.105

Therefore, the answer is 0.105

I believe it is well understood.

8 0
3 years ago
James correctly answered 85% of the 60 problems on his math test. How many questions did James answer correctly❄️
harina [27]

Answer:

James answered 51 questions correctly.

Step-by-step explanation:

1) Slide the decimal 2 places to the left in the percentage (85% = .85)

2) Multiply total by new decimal (60 x .85)

3) All done! (51)

Keep in mind that 100% is just 1 whole. Therefor 85% of one whole is .85. In this problem, 60 represents our whole.

3 0
3 years ago
Hey please help me with this
motikmotik

Answer:

Two real solutions

Step-by-step explanation:

z=-1.45

z=0.45

6 0
3 years ago
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