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AlekseyPX
4 years ago
13

What is the surface area of a cube with faces that each have an area of 8 cm2? 2 cm2 512 cm2 48 cm2 32 cm2

Mathematics
2 answers:
Rus_ich [418]4 years ago
6 0
The answer is 48 cm2 because 8 cm2 comes out to 48 cm2
miskamm [114]4 years ago
4 0
I'm not quite sure, but I believe that the answer is 48 cm^2.
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What's the median of the data set 36,48,67,91
vfiekz [6]
He median is the number in the middle of a data set when the data set is in numerical order.

36,48,67,91

There is an even amount of numbers, so you take the two middle ones (48 and 67) and find the average of the two. So, (48 +67) / 2
                                                                              115 / 2
                                                                                 57.5
<span>The median of the data set is 57.5  .</span>
7 0
3 years ago
Read 2 more answers
The highway mileage m in miles per gallon for a compact car is approximated by m(s) = -0.025s^2 + 2.45s - 30, where s is the spe
Over [174]
The maximum mileage per gallon for the compact car is determined by taking the first derivative of the given equation and equate to zero. The differentiated form is m's = -0.05 s + 2.45 = 0; s is equal to 49 seconds. substituting this s, m is equal to 30.025 miles/gallon.
6 0
3 years ago
PLEASE HELP ME PLEASE DUE IN 30 MINUTES
defon

Answer:

x = 82.1º

Step-by-step explanation:

tan = opp/adj

tan75 = x/22

multiply both sides by 22

22 * tan75 = x

use calculator

82.1051177665153 = x

Rounded

x = 82.1º

5 0
3 years ago
Read 2 more answers
Find a particular solution to y" - y' + 9y = 3 sin 3x
Dima020 [189]

Answer:

cos3x

Step-by-step explanation:

y" - y' + 9y = 3 sin 3x

D^{2}y-Dy+9y=3 sin3x

y=\frac{3 sin 3x}{(D^{2} -D+9}=3 sin 3x

here D^2 will be replaced by  \alpha^2 where \alpha is coefficient of x

y=\frac{3 sin 3x}{-3^{2} -D+9}

y=-3\frac{sin 3x}{D}

y=-3\int\ {sin 3x} \, dx

y=-3\frac{cos3x}{-3}

y=cos3x

hence Particular solution is cos3x

6 0
3 years ago
Work out and simplify where possible 3 x 5/11 12 x 3/4
EleoNora [17]

3 \times  \frac{5}{11}

turns into

\frac{3}{1}  \times  \frac{5}{11}  =  \frac{15}{11}  =  1 \frac{4}{11}

12 \times  \frac{3}{4}  =  \frac{12}{1}  \times  \frac{3}{4}  =  \frac{36}{4}  = 9

Because 36 goes into 4 nine times.

7 0
2 years ago
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