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kolezko [41]
3 years ago
14

Jan bought a blazer for $39.90. The price of the blazer was $38. What sales-tax rate was she charged for this blazer?

Mathematics
2 answers:
RUDIKE [14]3 years ago
5 0

1-38/39.90=0.0476
=0.05
=5 percent
lakkis [162]3 years ago
4 0
Price for the blazer: $38
Price for the blazer plus tax: $39.90

38x = 39.90
Where x is the sales-tax rate.

Divide both sides by 38
x = 1.05
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Step-by-step explanation:

Base on my own understanding what should be done is that three stacks will not work, because it wont be a symmetric arrangement and also one will be left out. So, two stacks of five each would be better and easy to carry. But the stacks should be arranged in such a manner that the lengths will be parallel to each other and not in-line which would increase the length making it comparatively very long. its easier to hold a (2*8.5,11,2*5=17,11,17) compact box, because it will be easy to carry a long and not heavy.

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neonofarm [45]

Answer:

f(x) = 3(0.2)^x

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The leading coefficient is 3 as  x = 0 gives f(x) = 3.

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0.6 = 3(0.2)^1 = 0.6 so its last choice.

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3(0.2)^-1

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3 0
2 years ago
3<br> ..<br> 4) through: (-2,5), slope<br> 2.
ArbitrLikvidat [17]

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General Formulas and Concepts:

Point-Slope Form: y - y₁ = m(x - x₁)  

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<u>Step 1: Define</u>

Slope <em>m</em> = 2

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8 0
3 years ago
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Oksanka [162]

Answer:

see explanation

Step-by-step explanation:

consecutive even integers have a difference of 2 between them

for example 2, 4, 6 are 3 consecutive even integers

In general if we let the first integer be k then the next 2 integers are

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the sum of these equals 4 times the first integer, that is 4k, hence

k + k + 2 + k + 4 = 4k

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6 = k

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k = 6

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that is 6, 8 and 10

note that sum = 6 + 8 + 10 = 24

and 4 × 6 = 24

confirming the sum of the 3 integers equals 4 times the first integer




7 0
3 years ago
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