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Feliz [49]
4 years ago
10

What is the surface area of a cube with a side length of 18 meters

Mathematics
2 answers:
zysi [14]4 years ago
5 0
A = 1944 m²
hope this helps
photoshop1234 [79]4 years ago
4 0
The surface area of a cube: 6a²

a is an edge, which in this case, is 18

6(18²)
18(18) = 324
6(324) = 1944

1944 meters² is your answer

hope this helps
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A ball, dropped vertically, falls d metres in t seconds.
Sergio [31]

Answer:

455m

Step-by-step explanation:

We know that acceleration is acceleration due to gravity, which is 10m/s, and initial speed u=0m/s

Use the motion equation to find distance when t=10:

d=ut+(1/2)at²

d=0t+(1/2)(10)(10²)

d=500m

The distance travelled in the seven seconds following the first three = 500-45=455m

8 0
3 years ago
In the year 2005, a person bought a new car for $14000. For each consecutive year after that, the value of the car depreciated b
andrew-mc [135]

100%-14%=86%

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4 0
4 years ago
GIven that GR= x+5 and GP= 2x-3 which expression below calculates the perimeter of this gate? (x+5) + (2x-3) (x+5) + (2x-3) 2(x+
WINSTONCH [101]

Answer:

P = 2(x + 5) + 2(2x - 3)

Step-by-step explanation:

GIven that GR= x+5 and GP= 2x-3 which expression below calculates the perimeter of this gate?

The shape of the gate is rectangular.

Hence, the Perimeter of a rectangle (the gate) = 2L + 2W

Where :

L = GR = x + 5

W = GP = 2x - 3

Hence,the perimeter of the gate is

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5 0
3 years ago
3 2/3+ 8 7/12<br><br> I need the work
castortr0y [4]

Answer:

\frac{49}{4}

Step-by-step explanation:

Convert each to a improper fraction

3 \frac{2}{3} = \frac{11}{3}

8\frac{7}{12} = \frac{103}{12}

\frac{11}{3} +\frac{103}{12} = \frac{49}{4}

4 0
3 years ago
Read 2 more answers
how to solve and write three times a number s plus 4 times a number y is 1 more than 6 times the number s. solve for s
Rasek [7]
3s+4y=1+6s
minus 3s both sides
4y=1+3s
minus 1
4y-1=3s
divide by 3
\frac{4y-1}{3} =s
3 0
4 years ago
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