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Phoenix [80]
3 years ago
15

Nancy had an income of $26,500 this year. If the inflation rate was 11 percent, what was her purchasing power?

Mathematics
1 answer:
sweet-ann [11.9K]3 years ago
5 0
.89($26,500)=$23,585. we are using .89 because that is what 1-.11 equals.
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If n = 4, what is the value of 6n - 3
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steps:
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ANS ASAP... will mark him/her as BRAINLIEST The 1rst one!!
prisoha [69]

7x - 14 = 4x + 19

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A solid oblique pyramid has an equilateral triangle as a base with an edge length of 4 cm and an area of 12 cm2. What is the vol
Pavel [41]

Solution:

Let me define pyramid first.A pyramid is a Polyhedron , whose base  can be any polygon and it's faces are triangular which meet at a point called vertex.

Volume of Pyramid =  \frac{1}{2}\times{\text{Area of Base}\times{\text{Height}

Side of base which is an equilateral triangle= 4 cm

Area of whole pyramid = 12 square cm

Area of Equilateral triangle having side 4 cm=\frac{\sqrt3}{4}\times(Side)^2=\frac{\sqrt3}{4}\times(4)^2=4 \sqrt3 cm²

So, Area of three triangle which are faces of pyramid = (12 - 4 √3)cm²

Area of triangle = \frac{1}{2} \times (Base)\times(Height)

12 - 4 √3= \frac{1}{2} \times (4)\times(Height)

Height =\frac{12-4\sqrt3}{2}

Height=(6-2√3) cm

Volume of pyramid = Area of Equilateral triangle which is it's Base × Height of Pyramid

          =4√3 × (6-2√3) cm³

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          =24 × 0.732

          =17.568 cm³



8 0
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Step-by-step explanation:

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X² + 12x = 40
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Answer: 36 must be added to both sides to complete the square.
6 0
3 years ago
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