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3 years ago

7

Marita is decorating the prism at the right with tiles. Each tile is 1 square foot . Each tile costs $0.45. how much will it cos

t to tile the whole prism?

1 answer:

Talja [164]3 years ago

5 0

So what you have to do is 0.45 times three since you are looking at 3 sides and each side is 0.45$$$

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Determine whether each expression is equivalent to

larisa [96]

The algebraic expressions, $x + x + y + y + y + y - 5 + x + x + x + 8 - 4y$ and $5x + 3$ are equivalent to $2x + 4y - 5 + 3x + 8 - 4y$

To determine whether each expression is equivalent to $2x + 4y - 5 + 3x + 8 - 4y$ , apply the knowledge of algebra to solve each of the following in it's simplest form.

First, simplify $2x + 4y - 5 + 3x + 8 - 4y$ as follows:

Add like terms

$2x + 4y - 5 + 3x + 8 - 4y\\2x + 3x + 4y - 4y - 5 + 8\\5x + 3$

Next, compare or simplify where necessary each of the given algebraic expressions with $5x + 3$

<em><u>First Option</u></em>

$x + x + y + y + y + y - 5 + x + x + x + 8 - 4y$

Add like terms together

$2x + 4y - 5 + 3x + 8 - 4y\\2x + 3x + 4y - 4y -5+8\\5x + 3$

Therefore, $x + x + y + y + y + y - 5 + x + x + x + 8 - 4y$ is equivalent to $2x + 4y - 5 + 3x + 8 - 4y$

<em><u>Check the box for </u></em><em><u>YES.</u></em>

<u><em>Second Option:</em></u>

<u><em /></u> $6xy + 3 - 4y$ <em> (cannot be simplified further)</em>

<em /> $6xy + 3 - 4y\neq 2x + 4y - 5 + 3x + 8 - 4y$ <em />

Therefore:

<em><u>Leave the box BLANK for </u></em><em><u>NO.</u></em>

<em><u /></em>

<em><u>Third Option:</u></em>

<em><u /></em> $-8y + 5x - 3$ <em><u> </u></em><em>(cannot be simplified further)</em>

<em /> $-8y + 5x - 3 \neq 2x + 4y -5 + 3x + 8 - 4y$ <em />

Therefore:

<em><u>Leave the box BLANK for </u></em><em><u>NO.</u></em>

<em><u /></em>

<u><em>Fourth Option:</em></u>

<u><em /></u> $5x + 3$ <u><em /></u>

<u><em /></u> $5x + 3 = 2x + 4y - 5 + 3x + 8 - 4y$ <u><em /></u>

Therefore:

<em><u>Check the box for </u></em><em><u>YES.</u></em>

<em><u></u></em>

Thus, the algebraic expressions that are equivalent to $2x + 4y - 5 + 3x + 8 - 4y$ are:

$x + x + y + y + y + y - 5 + x + x + x + 8 - 4y$

$5x + 3$

Learn more about algebraic expressions here:

brainly.com/question/15122459

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2 years ago

You purchase 65 shares of common stock at $32.50 per share. A few months later, you sell the shares for $39.95. No dividends

jenyasd209 [6]

Answer:

Again of 338.26

Step-by-step explanation:

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3 years ago

Evaluate 64 1\2 * 10(-2) as a fraction

melamori03 [73]

Answer:

1/25

Step-by-step explanation:

64^=8

8*1/2=8/2

10^-2=1/100

8/2*1/100

1/25

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2 years ago

What is the product of the complex numbers (-3i+4) and (3i+4)?

Nataly_w [17]

Answer: 25

Step-by-step explanation:

Finding the product of complex numbers is not different to finding the product of real numbers

(-3i+4) * (3i+4) = -9i^2 + 12i - 12i + 16 = 25

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2 years ago

Read 2 more answers

Write a quadratic function with a graph that meets the following conditions: x-intercepts at (2, 0) and (6, 0) with a minimum at

Darya [45]

The minimum is the vertex
y=a(x-h)^2+k
(h,k) is vertex
given
(4,-8)
y=a(x-4)^2-8
find a
given
(2,0) and (6,0)
find a

0=a(2-4)^2-8
0=a(2)^2-8
0=4a-8
8=4a
divide 4
2=a

other one
0=a(6-4)^2-8
0=a(2)^2-8
0=4a-8
8=4a
divide 4
2=a

the function is
y=2(x-4)²-8 or expanded
y=2x^2-16x+24

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2 years ago