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2 years ago

What is the surface area of this right rectangular prIsm?

Mathematics

2 answers:

uranmaximum [27]2 years ago

8 0

Answer:

Step-by-step explanation:

To find the area of a rectangle we multiply two edges together.

since we are looking for the surface area we are actually going to be finding 6 different areas and adding them together (since there are 6 sides to a rectangle)

ok so sides 1 and 2, the edges on the left and right will be equal, and then the four sides in the middle are all going to be equal

2(1x2) + 4(3x2) = 4 + 24 = 28

Ivenika [448]2 years ago

4 0

28 in

As 3 x 2 = 6
6 x 4 = 24
24 + (2 x 2) = 28 in

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Janette has 386 pennies. 58 nickels and 19 dimes If Janette exchanges her coins for dollars, how many dollars will she have? Ho

svet-max [94.6K]

Answer:

$8 ; 66 cents

Step-by-step explanation:

Given that:

Worth of penny, dimes and Nickel in cents and dollars

Nickel, n = 5 cents = $0.05

Dimes, d = 10 cent = $0.1

Penny, p = 1 cent = $0.01

Multiplying the number of each coin with its respective value ;

386(0.01) + 58(0.05) + 19(0.1)

$3.86 + $2.9 + $1.9

= $8.66

Changing it to dollar ,

$8.66 dollars = 8 dollars ;

$0.66 = 66 cents

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3 years ago

A square with side lengths of 3x + 3. An equilateral triangle with side lengths of 5 x + 0.5. The perimeters of the square and t

aleksklad [387]

Answer:

1) 4(3x+3)=3(5x+0.5)

2) 3.5

3) 54 units

4 0

3 years ago

Read 2 more answers

2<br> 3250 m + 1,662 km =

uranmaximum [27]

Answer:

1,665.25 km

Step-by-step explanation:

8 0

2 years ago

What is 8x -5+2 x simplified

IgorC [24]

8x -5+2 x

8x+2x-5 ( combine like terms)

answer:

10x-5 or -5+10x

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3 years ago

Hey can you please help me posted picture of question

Olenka [21]

Hello!

The variable "n" represents an exponent.

An exponent is used to multiply a number (b) by itself "n" times. For example, if the expression were to read (b²) it would represent the following:

b × b

The same could be said for (b³):

b × b × b

Even ( $b^{10}$ ):

b × b × b × b × b × b × b × b × b × b

I hope this helps!

6 0

3 years ago