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kogti [31]
3 years ago
7

Find the new price for the markdown given. Round to the nearest cent if necessary.

Mathematics
2 answers:
Ludmilka [50]3 years ago
4 0
20% of 14.99 = 2.998 so you subtract 14.99- 2.998 which equals 11.992 which rounds to just 11.99
tatiyna3 years ago
3 0

Answer:

$11.99

Step-by-step explanation:

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Please help me with my algebra homework (Attachment)
Lapatulllka [165]

Answer:

D.

Step-by-step explanation:

To see if a line is parallel to y = -(2/3)x + 8 you need to check if the coefficients at y and x are of the same ratio. This immediately removes answers A and C, because of the wrong sign at x compared to y.

What's left is to see which of the answers B and D passes through (4, -5) by inputting x = 4 and y = -5

B.

left = -5 - 5 = -10

right = -(2/3)(4 + 4) = -16/3

So it's D. Let's verify:

D.

left = -5 + 5 = 0

right = -(2/3)(4 - 4) = 0

Checks out.

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Step-by-step explanation:

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Soloha48 [4]

(f g)(x) means f(x) * g(x), so plug the value of each function in:

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Inners: 2 * x = 2x

Lasts: 2 * -4 = -8

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Combine like terms (the -4x and 2x):

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Which expression can be used to find the surface area of the following square pyramid
andreyandreev [35.5K]

Answer:

36+15+15+15+15

Step-by-step explanation:

For the surface area we need to add up all the areas in the pyramid:

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Area of the base:

the base is a square, and the area of a square is given by:

a_{base}=l^2

where l is the length of the side: l=6, thus:

a_{base}=(6)^2\\a_{base}=36

Area of the triangles:

one triangle has the area given by the formula:

a_{triangle}=\frac{b*h}{2}

where b is the base of the triangle: b=6

and h is the height of the triangle: h=5, thus we have the following:

a_{triangle}=\frac{6*5}{2} \\\\a_{triangle}=\frac{30}{2} \\\\a_{triangle}=15

the expression that represents the surface area of the pyramid is:

a_{base}+area_{triangle}+area_{triangle}+area_{triangle}+area_{triangle}

substituting our values:

36+15+15+15+15

which is option B

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