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leonid [27]
3 years ago
9

Factor the following perfect square trinomials

Mathematics
1 answer:
Lorico [155]3 years ago
3 0

Answer:

1) (m+3)2

2) (b+6)2

3) (3n−2)^2

Step-by-step explanation:

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20 points!!!<br> volume of a cylinder problems please help
balandron [24]

Answer:

Step-by-step explanation:

Part A

The formula for determining the volume of a cylinder is expressed as

Volume = πr²h

Where

r represents the radius of the cylinder.

h represents the height of the cylinder.

π is a constant whose value is 3.14

1) radius = diameter/2 = 4/2 = 2 inches

Volume = 3.14 × 2² × 10 = 125.6 inches³

2) Volume = 3.14 × 20² × 50 = 62800 cm³

3) radius = 16/2 = 8 mm

Volume = 3.14 × 8² × 10 = 2009.6 mm³

4) Volume = 3.14 × 9² × 9 = 2289.06 ft³

Part B

The formula for determining the volume of a sphere is expressed as

Volume = 4/3πr³

Where

r represents the radius of the sphere.

5) Volume = 4/3 × 3.14 × 5³ = 523.3 cm³

6) radius = 24/2 = 12 inches

Volume = 4/3 × 3.14 × 12³ = 7234.56 inches³

7) Volume = 4/3 × 3.14 × 1³ = 4.2 ft³

8) radius = 42/2 = 21 mm

Volume = 4/3 × 3.14 × 21³ = 38772.72 mm³

6 0
4 years ago
A company sold garden hoses at a reduced price of $6.67 and took an end-of-season mark down of $9.28. What was the original sell
saul85 [17]

We have the formula:

M=S-N

where M is the mark down, S is the original price and N is the reduced price. Plugging the values we know:

\begin{gathered} 9.28=S-6.67 \\ S=9.28+6.67 \\ S=15.95 \end{gathered}

Therefore the original price was $15.95

8 0
1 year ago
Harry needs 21 square meters for every 6 wizard cloaks he makes
horsena [70]

Answer:

Harry needs 21 square meters of fabric for every 6 wizard cloaks he makes then Equal ratios = 21/6 = 7/2 = 14/4. Step-by-step explanation: Complete Question is : Complete the table using equivalent ratios.

Step-by-step explanation:

4 0
3 years ago
Two trucks are traveling in the same direction, one going twice as fast as the other. At the end of 6 hours they are 204 miles a
TEA [102]

Answer:

34 mph and 68 mph respectively

Step-by-step explanation:

Step one:

given data

let the speed of the first truck be x mph

and the speed of the second truck be 2x mph

time taken = 6 hours

total distance = 204 miles

Step two:

from speed = distance/time

distance= speed*time

hence

2x*6-6x= 204

12x+6x= 204

6x= 204

divide both side by 6

x= 204/6

x=34 mph

The second truck was moving at

=2x

=2*34

=68 mph

7 0
3 years ago
20 POINTS!!! HELP PLEASE!!!!!
Svetach [21]

Answer:

2

Step-by-step explanation:

the points for g is -4,0 and x is 4,2 so... yea 2

4 0
3 years ago
Read 2 more answers
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