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tankabanditka [31]
3 years ago
13

A store manager set up a cardboard display to advertise a new brand of perfume. The display is a square pyramid whose base is 18

inches on each side. The height of each triangular face of the pyramid is 12 inches. How much cardboard was used to make this display?
Mathematics
1 answer:
AleksandrR [38]3 years ago
8 0
I think the answer is 13,824
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X+2y=0<br> 3x+4y=4<br><br> find the solution
Nady [450]

Answer:

  (x, y) = (4, -2)

Step-by-step explanation:

The coefficient of y in the second equation is double the coefficient of y in the first. We can subtract twice the first equation from the second to eliminate y.

  (3x +4) -2(x +2y) = (4) -2(0)

  x = 4 . . . . . . . . . simplify

Substituting into the first equation, we have ...

  4 +2y = 0

  2 +y = 0 . . . . . . divide by 2

  y = -2 . . . . . . . . subtract 2

The solution is (x, y) = (4, -2).

4 0
2 years ago
The Pool Fun Company has learned​ that, by pricing a newly released Fun Noodle at $ 2 comma sales will reach 9000 Fun Noodles pe
Nataliya [291]

Answer:

x[9000] x y[2] > x[5000] x y[5]

Hoped this helped, have a nice day!


4 0
3 years ago
Juanita begins to factor an expression as shown. x2 3x−18=(x )(x−) what numbers should be placed in the boxes from left to right
Ivan

The numbers which should be placed in the boxes from left to right, when Juanita factor the expression, is 6 and 3 respectively.

<h3>What is a factor of polynomial?</h3>

The factor of a polynomial is the terms in linear form, which are, when multiplied together, give the original polynomial equation as a result.

Juanita begins to factor an expression as shown.

x^2+ 3x-18=(x+  \;\;)(x-\;\;)

To find the value of blank, we have to factor the left-hand side expression using the split the middle term method as,

x^2+ 3x-18\\x^2+ 6x-3x-18\\x(x+6)-3(x+6)\\(x+6)(x-3)

Hence, the numbers which should be placed in the boxes from left to right, when Juanita factor the expression is 6 and 3 respectively.

Learn more about factor of polynomial here;

brainly.com/question/24380382

7 0
2 years ago
6 3/4x5=?<br><br> Please help
lesantik [10]
The answer would be 33 3/4.
8 0
3 years ago
Nadia is making a copy of an image on the copy machine. She needs to enlarge it, and decides to enlarge it by a scale factor of
r-ruslan [8.4K]
The new side will measure;
3/2*3
=9/2
=4.5 inches
7 0
3 years ago
Read 2 more answers
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