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aleksklad [387]
3 years ago
15

True or False? The total surface area of a cube can be calculated using its volume.

Mathematics
1 answer:
kifflom [539]3 years ago
6 0

Answer: false

Step-by-step explanation:

Surface Area Formula Surface Area Meaning

SA=2B+Ph Find the area of each face. Add up all areas.

SA=B+12sP Find the area of each face. Add up all areas.

SA=2B+2πrh Find the area of the base, times 2, then add the areas to the areas of the rectangle, which is the circumference times the height.

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The second of two numbers is 4 times the first. Their sum is 50. What are the numbers?
WARRIOR [948]

Answer:

#1: 10

#2: 40

Step-by-step explanation:

If the sum is 50, you divide by 5, and you get 10. Then multiply that by 4 to get the 2nd number.

7 0
3 years ago
Is this correct? Yes or nah
lara31 [8.8K]
There are 20 squares total you shaded 5
\frac{5}{20} = \frac{1}{4} = 25\%
5 0
3 years ago
at a local restaurant the health inspector visits every 7 Days and the fire inspector visits every 12 days make a table for the
seraphim [82]

Day      Inspector

7           H

12          F

14          H

21          H

24         F

28         H

35          H

36          F

42          H

48           F

49          H

56          H

60          F

63          H

70          H

72          F

77           H

84           H, F

6 0
3 years ago
The table shows the height of a plant as it grows. Which equation in point ­slope form gives the plant’s height at any time
vodka [1.7K]

Answer:

Option A is correct.

y-16=8(x-2) is the equation represent the point slope form gives the plant's height at any time.

Step-by-step explanation:

Point slope intercept form: For any two points (x_1, y_1) and  (x_2, y_2) then,

the general form

y-y_1=m(x-x_1) for linear equations;  where m is the slope given by:

m =\frac{y_2-y_1}{x_2-x_1}

Consider any two points from the table;

let A= (2 , 16) and B =(4, 32)

First calculate the slope of the line AB:

m =\frac{y_2-y_1}{x_2-x_1}=\frac{32-16}{4-2}=\frac{16}{2} = 8

Therefore, slope of the line m = 8

Then,

the equation of line is:

y-y_1=m(x-x_1)

Substitute the value of m=8 and (2, 16) above we get;

y-16=8(x-2)

Therefore, the equation in point slope form which gives the plant's height at any time is; y-16=8(x-2) , where x is the time(months) and y is the plant height (cm)


5 0
3 years ago
Read 2 more answers
How many different triangles, if any, can be drawn with one 90° angle and side length of 5 cm and 12 cm?
FromTheMoon [43]
Only one triangle is able to be drawn with those measurements and angle

4 0
4 years ago
Read 2 more answers
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