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Reika [66]
3 years ago
7

A cube has a surface area of 150 cm squared. Find the side length of the cube in cm.

Mathematics
1 answer:
puteri [66]3 years ago
8 0

Answer:

Step-by-step explanation:

6 faces have an area of 150 cm^2

1 face has an area of 150/6 = 25 cm^2

The formula for the area of one face of a cube = s^2 which is the length of  a side squared.

s^2 = 25

sqrt(s^2) = sqrt(25)

s = 5

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A manufacturer of household washing machines wants to determine the effectiveness of the type of detergent used (three brands –
ololo11 [35]

Answer:

Two-Factor ANOVA with replication

Step-by-step explanation:

Types of detergent used ( A,B,C ) = 3

Length of time for the washing cycle : A = 18 mins, B = 20 mins, C = 22 mins

number of laundry loads = 18

significance level = 5%

The alternative hypothesis for testing the interaction is a Two-Factor ANOVA with replication this is because the factors that have variations are the : The type of detergent and the length of time for a washing cycle while the load is constant for all.

5 0
3 years ago
A chocolate bar contains 6 grams of fat. If you eat no fewer than 5 and no more than 9 bars, how many grams of fat will you cons
IRINA_888 [86]

5 x 6 = 30

9 x 6 = 54

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8 0
2 years ago
PLEASE HELP ASAP A bucket contains 48 fluid ounces of water. How many quarts of water does the bucket contain? Enter your answer
Ivan

Answer:

1.5 Quarts

Step-by-step explanation:

A quart contains 32 fluid ounces. So divide 48 by 32. You get 1.5.

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4 0
3 years ago
Use the inverse of the function y = x2 − 18x to find the unknown values. y=+/= square root of bx+c+d
likoan [24]
Y = x2 - 18x

 We look for the inverse of the function.
 To do this, let's determine the value of x:
 y = x2 - 18x
 y = (x + (-18/2)) ^ 2 - ((-18) ^ 2/4) + 0
 y = (x - 9) ^ 2 - 81
 y + 81 = (x - 9) ^ 2
 +/- root (y + 81) = (x - 9)
 +/- root (y + 81) + 9 = x
 We return the change:
 f (x) ^ - 1 = +/- root (x + 81) + 9
 Therefore, the values sought are:
 b = 1
 c = 81
 d = 9
 Answer: 
 f (x) ^ - 1 = +/- root (x + 81) + 9 
 b = 1
 c = 81
 d = 9
4 0
4 years ago
Read 2 more answers
Use the distance formula to find the length of the segment between points (2,-3) and (5,-4)
storchak [24]

Answer:

Answer C:  √10

Step-by-step explanation:

Construct a right triangle whose hypotenuse represents the distance between the given points.  As we move from (2, -3) to (5, -4), x increases by 3 and y decreases by 1.  Thus, the lengths of the legs of this right triangle are 1 and 3.  Using the distance formula, we get d = √(1^2 + 3^2) = √10 (This matches Answer C).

5 0
3 years ago
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