3 years ago

Unit 1 Lesson 4 Quiz

Mathematics

1 answer:

Arisa [49]3 years ago

5 0

Answer:

Sorry man but I can't see the question : (

Step-by-step explanation:

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Find the 7th term of the arithmetic sequence 5x + 9, 8x + 5, 11x + 1,...

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In arithmetic sequence: a₂ - a₁ = a₃ - a₂ {common difference}

$a_1=5x+9\\a_2=8x+5\\a_3=11x+1\\\\\\d=8x+5-(5x+9)=8x+5-5x-9=3x-4\\\\a_n=a_1+d(n-1)\\\\a_7=5x+9+(3x-4)\cdot6\\\\a_7=5x+9+18x-24\\\\a_7=33x-15$

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A cone has a diamete of 3 inches the cone hold 12 cubic inches of water to the nearet inch what is the height of the cone

Andre45 [30]

Volume for a cone is 1/3 pi * r^2*h, where r is radius and h is height. We have diameter = 1/2 radius. Thus, radius = 1.5in. We also have volume is 12 in. Using formula for volume of a cone and plugging in what we know, we have 12 = 1/3*pi*(1.5)^2*h, were solving for h. To get, h= (12*3)/(pi*(1.5)^2), which is approximately 5.0931in, 5 inches

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Write down the integer values satisfied by this diagram.

Alinara [238K]

Step-by-step explanation:

well it represents

-1 < X ≥ 3

so answer is 0 1 2 3

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