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Liono4ka [1.6K]
3 years ago
14

The new business building uptown is building a wall made entirely of glass pyramids. Each pyramid will have a square base with l

ength of 8 inches and height of 10 inches. If the wall requires 250 of these pyramids, what volume of glass will be used? Round to the nearest cubic inch
Mathematics
1 answer:
Virty [35]3 years ago
5 0
Hi im try to ask question the search bar and is giving me a error msg is the page having technical issue

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Which equation results from adding the equations in this system?
MArishka [77]

Answer:

8y = -6

Step-by-step explanation:

x + 6y -x +2y = 9 +(-15) ➡ 8y = -6

5 0
3 years ago
Place the numbers 0 to 8, inclusive, in the magic square so that the sum of the numbers in each row, column, and diagonal is the
ehidna [41]

Answer: See attached table

Step-by-step explanation:

\begin{table}[]\begin{tabular}{lllll} &  &  &  &  \\ &  &  &  &  \\ &  &  &  &  \\ &  &  &  & \end{tabular}\end{table}+---+---+---+

| 1 | 8 | 2 |

+---+---+---+

| 6 | 4 | 2 |

+---+---+---+

| 5 | 0 | 7 |

+---+---+---+

<u>Proofs:</u>
First row: 1+6+5 = 12

Second row: 8+4+0 = 12

Third row: 2+2+7 = 12

First column: 1+8+2 = 12

Second column: 6+4+2 = 12

Third column: 5+0+7 = 12

Diagonal starting from top left to bottom right: 1+4+7 = 12

Diagonal staring from top right to bottom left: 2+4+5 = 12

6 0
2 years ago
Which phrase best describes the translation from the graph y = (x + 2)2 to the graph of y = x2 + 3?
Whitepunk [10]

Answer: 2 units left and 3 units up

Step-by-step explanation:

3 0
3 years ago
Expand and simplify: (-7y - 8) (y - 4)
ZanzabumX [31]
<h2><u>Simplification</u></h2>

<h3>Expand and simplify: (-7y - 8) (y - 4)</h3>

To expand an expression, use FOIL method.

<h3><u>F - First</u></h3>

  • Multiply the first term in each expression inside the parentheses.

<u>-7y</u> and <u>y</u> are the first terms in <u>each expression</u>.

<u>(-7y)(y) = -7y²</u>

<h3><u>O - Outside </u></h3>

  • Next is to multiply the terms outside. (The first term in the first expression and the last term in the second expression)

<u>-7y</u> is the first term in the <u>first expression</u>

<u>-4</u> is the last term of the <u>second expression</u>

<u>(-7y)(-4) = 28y</u>

<h3><u>I - Inside</u></h3>

  • The next step is to multiply the terms inside. (The last term in the first expression and the first term in the last expression)

<u>-8</u> is the last term in the <u>first expression</u>

<u>y</u> is the first term in the <u>second expression</u>

<u>(-8)(y) = -8y</u>

<h3><u>L - Last</u></h3>

  • Last step is to multiply the last term in each expression.

<u>-8</u> is the last term of the <u>first expression</u>

<u>-4</u> is the last term of the <u>second expression</u>

<u>(-8)(-4) = 32</u>

Combine all simplified terms.

  • -7y² + 28y - 8y + 32
  • -7y + 20y + 32

<u>Answer:</u>

  • <u>-7y + 20y + 32</u>

Wxndy~~

8 0
2 years ago
You are a kite sailing across the ocean. The table gives your height at different times.
mixer [17]

You are a kite sailing across the ocean. The table gives your height at different times.

A. How many feet do you move each second?

Answer: From the given table information, we clearly see that after every second the kite moves 2 feet

B. What is your speed? Give the units.

Answer: We know that :

Speed =\frac{Distance}{Time}

                  =\frac{2}{1}

Therefore, the speed of the kite is 2 feet per second

C. Is your velocity positive or negative?

Answer: The velocity is positive, because the height of the kite goes on increasing direction

D. What is your velocity? Give the units.

Answer: Here the velocity of kite is:

+2 feet per second

6 0
3 years ago
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