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xenn [34]
3 years ago
12

"A candy store sells different types of candy in paper pyramids. The medium-sized pyramid has a base length of 5 inches and a ba

se width of 3 inches. The height of the paper container is 8 1/2 inches. what is the volume of the pyramid, measured to the nearest 10th of the cubic inch?" Please help!

Mathematics
1 answer:
g100num [7]3 years ago
3 0

Answer:

088y765

Step-by-step explanation:

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What is the factored form of the expression?<br><br> 21x^2 + 20x + 4
julia-pushkina [17]

Answer:

21x^2 + 20x + 4 = (3x + 2)(7x + 2).

Step-by-step explanation:

Given the expression is 21x² +20x +4

We can solve the equation as follows:-

21x² +20x +4 = 0

Then a = 21, b = 20, c =4.

Using Quadratic formula, x = ( -b ± √(b² -4ac) )/2a

x = ( -20 ± √(400 - 4*21*4) )/2*21

x = ( -20 ± √(400 - 336) )/42

x = ( -20 ± √(64) )/42

x = ( -20 ± 8 )/42

x = -28/42 or x = -12/42

x = -2/3 or x = -2/7

(x + 2/3) = 0 or (x + 2/7) = 0

Now the factored form can be written as follows:-

(x + 2/3)(x + 2/7) = 0

(3x+2)(7x+2) = 0

Hence, the factored form is 21x^2 + 20x + 4 = (3x+2)(7x+2).

5 0
4 years ago
PLEASE HELPPPPPPPPPP!!!! AI HAVE 10 MINUTES LEFTTTTT
Lemur [1.5K]

The formula is in a quadratic formula shape: y = ax^2+bx+c

The function is negative since the value 'a' the coefficient of x^2 is negative meaning that the quadratic function is facing downards. If you don't get this explanation, take a look at the diagram I uploaded.

That means the highest point of the graph is its vertex.

But we must find where the vertex is at or the 't' value.

   't' value at which vertex is = -\frac{b}{2a} =-\frac{16}{2*(-16)} =\frac{1}{2}

Now plug this 't' value into h(t) to find the maximum height, and we will get 36 feet.

Hope that helps!

4 0
3 years ago
A line passes through the points (–3, –4) and (6, 2).
Dmitrij [34]
The slope I got was 6/9 which can be reduced down to 2/3
8 0
3 years ago
6/5 pls help as fast as possible
11Alexandr11 [23.1K]

Answer: 6 divided by 5 is 1.2

Step-by-step explanation: I used Siri lol

4 0
2 years ago
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Organize the following expressions from greatest to least by number of terms: x + 2xyz 9x2yz 18x2 + 5ab − 6y 4x3 + 3x2 − x − 4
makvit [3.9K]
I believe the answer would be 2xyz9x2yz18x2 - 6y4x3 + 5ab - 4. the x canceled itself out. 

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4 years ago
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