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yulyashka [42]
3 years ago
14

Kim goes to the gift shop and find a t-shirt for 19 does she have enough money to buy the t shirt

Mathematics
1 answer:
prohojiy [21]3 years ago
8 0

Answer:

no she dose not have enough money

Step-by-step explanation:

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What are the zeros of the function f(x) = x2 + 8x + 4, expressed in simplest radical form? x = –4 ± 2StartRoot 3 EndRoot x = –4
SCORPION-xisa [38]

Answer:

<h2>x = -4 ± 2√(3)  </h2><h2 />

Step-by-step explanation:

Discriminant Δ = √(8²-4×(1)×(4)) = √(48) = √(4×12) = √(4)×√(12) = 2√(12)

then x = (-8 ± 2√(12))÷2 = -4 ±√(12) = -4 ±√(3×4) = -4 ± 2√(3)  

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How to write six is less than or equal to the sum of 4 and -2x
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6 \leqslant  - 2x + 4
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Select to rates that are equivalent to 6:10
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Answer:12:20 And 18:30
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2 years ago
All of the following are epuivalent forms 9/11 except
meriva

Answer: Except (4) but see detail below

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Looking over the choices, only 72/88 = 9/11 is precisely "equivalent" so all of (1), (2), and (4) would be EXCEPT.

But because K12 teachers' language may sometimes be sloppy,  "equivalent"  may also mean "approximate." If that is the case (I let you make the call if the premise is true): the following are definitely not 9/11:

1.22  (is greater than 1)

It could also be that the original question had the "overline" mark to mean "periodic" over the 81 parts, like this:

0.\overline{81}\\0.\overline{8181}

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3 years ago
A building has an entry the shape of a parabolic arch 52ft high and 42ft wide at the base. Find an equation for the parabola if
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The description expresses three points which can be used for a standard form equation. The vertex is stated to be (0,0) and is a maximum; two other points are (-21,-74) and (21,-74)
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y=a(x-h)^2+k
vertex (h,k)
thus our equation will be:
y=a(x-0)^2+0
thus
y=ax^2
using one of the points, the value of a will be:
-74=a(21)^2
a=-74/441
thus the equation will be:
y=-74/441x²
7 0
3 years ago
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