3 years ago

(5, -1), (2.4) answer 1: 5/3 answer 2: -5/3

Mathematics

1 answer:

andreyandreev [35.5K]3 years ago

8 0

Slope= -5/3 when using y^2-y^1 divided by x^2-x^1

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the diameter of a cylinder is 14cm.the height of the cylinder is 9cm. calculate the Volume and curved surface area

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Answer:

The volume is 1386 cm³ and curved surface area is 396 cm².

Step-by-step explanation:

Given that,

The diameter of a cylinder is 14 cm

Height of the cylinder is 9 cm

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If r is the radius, r = 14/2 = 7 cm

Volume of a cylinder is given by :

$V=\pi r^2 h\\\\V=\dfrac{22}{7}\times (7)^2 \times 9\\\\V=1386\ \text{cm}^3$

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3 years ago

The average attendance at a local high school this year was 950 students. Each year the attendance decreases at a rate of 5% per

o-na [289]

Answer:

Number of students= 820.64 = 821

Step-by-step explanation:

Giving the following information:

Current attendance= 950 students

Number of periods= 3 years

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<u>To calculate the number of students in attendance in 3 years, we need to use the following formula:</u>

Number of students= current attendance*(1+decrease rate)^(-n)

Number of students= 950*(1.05^-3)

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