2 years ago

Describe the differences and similarities between the following y = 2x – 3 and y < 2x – 3

Mathematics

1 answer:

mina [271]2 years ago

8 0

Answer:

Y = -2x and Y = |-2x| correct me

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Show me a graph of 6x + 5y < 30

Fittoniya [83]

Here is a graph of <span>6x + 5y < 30</span>

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3 years ago

A curve has equation<br> y = x²(x - 2)<br> Work out the gradient of the curve at the point (3,9).

slava [35]

Answer:

y = x^2 (x - 2) = x^3 - 2 x^2

dy/dx = 3 x^2 - 4 x

At x = 3 dy/dx = 3 * 9 - 4 * 3 = 15 The slope (gradient) of the curve

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2 years ago

A convex polyhedron is made of 12 congruent faces like the one shown below. What is the name of the solid? A) dodecahedron ANSWE

Anvisha [2.4K]

Answer: dodecahedron

Step-by-step explanation:

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2 years ago

1.2million users of social media via mobile devices were added each day. How many users added on an average each second

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Step-by-step explanation:

1,200,000/24 = 50000

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then round because it said on average

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so on average 14 new users are added per second.

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3 years ago

In how many ways can 4 boys and 4 girls be arranged in a row such that no two boys and no two girls are next to each other?(A) 1

nirvana33 [79]

Answer:

1152

Step-by-step explanation:

4 boys and 4 girls be arranged in a row such that no two boys and no two girls are next to each other.

Two boys and two girls are not next to each other. so one boy and one girl are next to each other in two ways.

BGBGBGBG, GBGBGBGB

4 boys are arranged in 4! ways and 4 girls are arranged in 4! ways

So number of ways = $2 \cdot 4! \cdot 4!=2 \cdot 24 \cdot 24=1152$

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2 years ago