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krok68 [10]
3 years ago
7

A rectangular solid has sides of 4 cm, 6 cm, and 8 cm. What is its surface area?

Mathematics
2 answers:
Kitty [74]3 years ago
4 0
Dimensions of a rectangular solid:
a = 4 cm,  b = 6 cm,  c = 8  cm.
Surface Area = 2 * ( a b + b c + a c ) =
= 2 * ( 4 * 6 + 6 * 8 + 4 * 8 ) =
= 2 * ( 24 + 48 + 32 ) =
= 2 * 104 = 208 cm²
Answer: Its surface area is 208 cm². 
kykrilka [37]3 years ago
4 0

Answer:

208 cm^2

Step-by-step explanation:

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Family Video charges $10 for
Irina18 [472]

Answer:

4 movies, $20

Step-by-step explanation:

Given data

Family Video

charges $10 for a monthly membership and

$2.50 per movie

let the number of movies be x

and the charge for x movies be y

y= 10+2.5x----------1

Babe's  Movies

charges a $12

membership and $2 per

movie.

let the number of movies be x

and the charge for x movies be y

y= 12+2x----------2

equate 1 and 2

10+2.5x= 12+2x

collect like terms

12-10= 2.5x-2x

2= 0.5x

x= 2/0.5

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put x= 4 in equation 1 or 2

y= 12+2x----------2

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4 0
3 years ago
John wants to measure the height of the tree in his yard. He stands so that the top of his shadow matches up with the top of the
dexar [7]

Answer:

hi

Step-by-step explanation:

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7 0
3 years ago
The bananas are $.15 per pound and I want to buy 4 pounds, how much would I pay
Paladinen [302]
$.75 bc 15 x 4 is 75 so that would make 75¢ or $.75
4 0
2 years ago
Glenn Andrews recently bought a new motorbike for $3,950. If he had to pay 6 percent sales tax on the bike, what was the total c
Lorico [155]
FIND TAX
=$3950 * 6%
=3950 * 0.06
=$237 tax

FIND TOTAL
add tax above to bike price
=$3950 + $237
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ANSWER: The cost of the motorbike with tax is $4187.

Hope this helps! :)

3 0
4 years ago
What is the midpoint​
antoniya [11.8K]

<u>Answer:</u>

(0.5, -0.5)

<u>Step-by-step explanation:</u>

We are given a line segment on the graph with two known points (ending points) and we are to find its mid point.

We know the formula for the mid point:

Midpoint = ( \frac {x_1 + x_2} {2} ,\frac {y_1 + y_2} {2} )

Substituting the coordinates of the given points in the above formula:

Mid point = (\frac {5 + (-4) } {2} , \frac { 6 + (-7)} {2} ) = (0.5, -0.5)

8 0
4 years ago
Read 2 more answers
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