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Mrac [35]
3 years ago
6

Can I get an explanation on how to do this?

Mathematics
2 answers:
Irina18 [472]3 years ago
6 0
<h3>Answer:</h3>

<u>Surface area</u> = 8 × 6 + 2(6 × 3) + 8 × 3 + 12 × 10 + 2 × 12 + 2(2 × 10) + (12 × 10 - 8 × 6)

  • 48 + 36 + 24 + 120 + 24 + 40 + 72
  • 364cm².

<u>Hence, the surface area of composite figure is 364cm²</u>.

scoray [572]3 years ago
4 0

Answer:

Step-by-step explanation:

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earnstyle [38]

Answer:

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8 0
2 years ago
A school needs 5,000 to buy new books for the library. So far the school has raised 75%
ohaa [14]

Answer:

Results are below.

Step-by-step explanation:

Giving the following information:

Total money needed= $5,000

Percentage raised= 75%

<u>To calculate the amount collected and the difference required, we need to use the following formulas:</u>

Total collected= 5,000*0.75

Total collected= $3,750

Difference= 5,000 - 3,750

Difference= $1,250

4 0
3 years ago
Find the domain and range of function f(x) is equal to root √x-1
Vladimir79 [104]

Answer:


Step-by-step explanation:

If you meant f(x) = √x - 1, then the domain is [0, infinity).

If you meant f(x) = √(x-1), then the domain is [1, infinity).

When any ambiguity may rear its ugly head, use parentheses, as indicated here.

7 0
3 years ago
Randy has to raise $50.00 to repair his bicycle. He is only $1.00 short. He has only $1 and $5 bills. If he has one more $1 bill
Nezavi [6.7K]

Answer:

Randy has eight $5 bills and nine $1 bills

Step-by-step explanation:

Randy needs $50.00

And we know that he his only $1.00 short, so he has $49.00

let's define:

x = number of $1 bills that he has

y = number of $5 bills that he has.

then:

x*$1 + y*$5 = $49

We know that he has one more $1 bills than $5 bills.

we can write this as

x = y + 1

So we have a system of two equations and two variables:

x*$1 + y*$5 = $49

x = y + 1

First we can see that the variable "x" is isolated in the second equation, now we can replace that in the other equation:

x*$1 + y*$5 = $49

(y + 1)*$1 + y*$5 = $49

now we can solve this for y.

y*$1 + $1 + y*$5 = $49

y*($1 + $5) = $49 - $1 = $48

y*$6 = $48

y = $48/$6 = 8

He has 8 $5 bills

and we know that:

x = y + 1

x = 8 + 1 = 9

he has 9 $1 bills.

8 0
3 years ago
How do you math? If you can answer this good for you, I cannot. (Allowing chatting in the comment section so frens come on in.)
kompoz [17]
The answer correct answer is yea
3 0
3 years ago
Read 2 more answers
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