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Alika [10]
3 years ago
5

Solve the system of inequalities: a) .4x−1≤0 2.3x≥4.6

Mathematics
1 answer:
OleMash [197]3 years ago
4 0

Answer:

(a) x \leq 2.5

(b) x \geq 2

Step-by-step explanation:

Solving (a):

0.4x - 1 \leq 0

Add 1 to both sides

0.4x - 1 + 1\leq 0 + 1

0.4x \leq 1

Solve for x

x \leq 1/0.4

x \leq 2.5

Solving (b):

2.3x \geq 4.6

Solve for x

x \geq 4.6/2.3

x \geq 2

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The surface area of a given cone is 1,885.7143 square inches. What is the slang height?
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This question is not complete. This is because it lacks the appropriate diagram containing necessary information to solve this question.

Please find attached the appropriate diagram to solve for this question

Complete Question :

The surface area of a given cone is 1,885.7143 square inches. What is the slant height?

Answer:

25 inches

Step-by-step explanation:

In the diagram, we are given the following information

Height of the cone = 20 inches

Radius of the cone = 15 inches.

The formula for the slant height of a cone represented by l =

l² = r² + h²

l = √(r² + h²)

l = √(15² + 20²)

l = √(225 + 400)

l = √625

l = 25 inches

Therefore, the slant height of this cone = 25 inches

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Step-by-step explanation:

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Step-by-step explanation:

8 0
3 years ago
(03.04 LC) When the function f(x) = 4(2)x is changed to f(x) = 4(2)x − 13, what is the effect? There is no change to the graph b
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Step-by-step explanation:

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What is the slope of 6x+10y=8<br> (choice A)<br> A -3/4<br><br> B -5/4<br><br> C -3/5<br><br> D -4/5
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Answer:

C

Step-by-step explanation:

The equation of a line in slope- intercept form is

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