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nadezda [96]
3 years ago
9

A sugar cone for ice cream is shaped like a cone. If a sugar cone has a slant height of 4 inches and a diameter of 2 inches, wha

t is the lateral surface area of the cone? Use 3.14 for pi. [Hint: Exclude the base.]
A. 18.8 square inches
B. 15.7 square inches
C. 37.7 square inches
D. 12.6 square inches
Mathematics
1 answer:
Kryger [21]3 years ago
5 0

Answer:

12.6 sq. inches.

Step-by-step explanation:

I got this right on a test.

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What is the justification for each step in solving the inequality?
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Step-by-step explanation:

3x+\frac{5}{8}\geq 4x-\frac{1}{2}

Subtract 5/8 on both sides

To subtract 5/8 we make the denominators same

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Addition or Subtraction property of order is used

3x\geq 4x-\frac{9}{8}

Subtract 4x on both sides

Addition or Subtraction property of order is used

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Now divide both sides by -1

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3 years ago
Its not very clear but if someone could help me with the answers that would be great
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2 years ago
A rectangular poster has an area of 190 inches squared. The height of the poster is one inch less than twice its width. Find the
Annette [7]
Set the height to h, and the width to w.

We know that wh=190 and h=2w-1.

Substituting 2w-1 for h, we have:

w(2w-1)=190

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Factoring this equation, we get (2w+19)(w-10)=0.  The solutions to this equation are -9.5 and 10, but clearly the width must be positive, Substituting 10 for the width, we get 10*2-1=19 for the height.
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