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kenny6666 [7]
3 years ago
6

What is the surface area of the 3 rectangles without the base of the triangular prism shown?

Mathematics
1 answer:
zheka24 [161]3 years ago
3 0

Answer:

72 yd²

Step-by-step explanation:

From the question,

Applying

A = Lb+Lw+Lh............... Equation 1

Where A = surface area of the three triangular prism.

From the question,

Given: L = 6 yd, b = 4 yd, w = 5 yd, h = 3 yd

Substitute these values into equation 1

A = (6*4)+(6*5)+(6*3)

A = 24+30+18

A = 72 yd²

Hence the right option is 72 yd²

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If 50 people can fit into 6 rooms. How many people<br> fit into 42 rooms?
fiasKO [112]

Answer:

350 people can fit into 42 rooms

Step-by-step explanation:

So we can write it as a relation fraction equation:

\frac{50}{6}=\frac{x}{42}

Where:

x represents the people can fit in 42 rooms

x=\frac{50*42}{6}

x=350

Therefore, <u>350 people can fit into 42 rooms.</u>

I hope it helps you!

6 0
3 years ago
Select all that apply.
Burka [1]

For this case we propose a rule of three to obtain the number that represents 25% of 37.

So, we have:

37 --------> 100%

x -----------> 25%

Where "x" is the number that represents 25% of 37.

x = \frac {25 * 37} {100}\\x = 9.25

Finally, we have that 25% of 37 is 9.25.

Answer:

25% of 37 is 9.25.

3 0
4 years ago
How do you solve this equation: 5w – 4w + 4 = 14 ?
noname [10]
First combine the like terms 5w and -4w to get just w.
so now the problem looks like:
 
w + 4= 14

subtract 4 from each side now. and you get the answer:

w = 10
7 0
3 years ago
Read 2 more answers
6x²-7x=20 solve the following quadratic equation
anyanavicka [17]

Answer:

x = -4/3 and x = 5/2.

Step-by-step explanation:

6x² - 7x = 20

6x² - 7x - 20 = 0

To solve this, we can use the quadratic formula to solve this.

[please ignore the A-hat; that is a bug]

\frac{-b±\sqrt{b^2 - 4ac}  }{2a}

In this case, a = 6, b = -7, and c = -20.

\frac{-(-7)±\sqrt{(-7)^2 - 4 * 6 * (-20)}  }{2(6)}

= \frac{7±\sqrt{49 + 80 * 6}  }{12}

= \frac{7±\sqrt{49 + 480}  }{12}

= \frac{7±\sqrt{529}  }{12}

= \frac{7±23 }{12}

\frac{7 - 23 }{12} = \frac{-16 }{12} = -8 / 6 = -4 / 3

\frac{7 + 23 }{12} = \frac{30}{12} = 15 / 6 = 5 / 2

So, x = -4/3 and x = 5/2.

Hope this helps!  

4 0
3 years ago
Read 2 more answers
Para embalar una caja se emplea 4,2 m de cinta adhesiva. ?Cuántas cajas se podrán embalar con tres rollos que tienen 3 hm, 7 dam
kompoz [17]

For this case, we perform the conversions:

First roll:

1 \ Hectometer --------> 100 \ meters\\3 \ Hectometer --------> x

x = \frac {3 * 100} {1}\\x = 300 \ meters.

We make a rule of three to determine the number of "c" boxes that can be packed with 300 meters of adhesive tape.

1 -----------> 4.2

c -----------> 300

c = \frac {300 * 1} {4.2}\\c = 71.42857143\\c = 71

You can pack 71 boxes.

Second roll:

1 \ Decametro --------> 10 \ meters\\7 \ Decameter --------> x\\x = \frac {7 * 10} {1}\\x = 70 \ meters.

We make a rule of three to determine the number of "c" boxes that can be packed with 70 meters of adhesive tape.

1 -----------> 4.2

c -----------> 70

c = \frac {70 * 1} {4.2}\\c = 16.66666667\\c = 16

You can pack 16 boxes.

Third roll:

1 -----------> 4.2

c -----------> 50

c = \frac {50 * 1} {4.2}\\c = 11.9047619\\c = 11

You can pack 11 boxes.

Thus, in total you can pack11 + 16 + 71 = 98 \ boxes

Answer:

98 boxes

4 0
4 years ago
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