3 years ago

Which one is smaller

Mathematics

1 answer:

kozerog [31]3 years ago

7 0

Answer:

Jasmine

Step-by-step explanation:

Michelle: .75

Mike: .66

Rasheed: .83

Jasmine: .57

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Alden has 5 siblings. His sister is 5 years older than he is and 3 times as old as his second sister. Alden's brother is 4 years

salantis [7]

Answer:Alden is 13 years old

Step-by-step explanation

Let x represent Alden's age.

Let y represent the age of his sister.

Let z represent the age of his second sister.

His sister is 5 years older than he is and 3 times as old as his second sister. This means that

y = x + 5

y = 3z

Alden's brother is 4 years younger than his second sister. It means that his brother's age is

z - 4

His brother is 2. It means that

z - 4 = 2

z = 2 + 4 = 6

y = 3z

y = 3 × 6 = 18

Substituting y = 18 into y = x + 5, it becomes

18 = x + 5

x = 18 - 5 = 13

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3 years ago

Ms. Hamby gave a quiz. Two students' work and the answer key are shown. Ms. Hamby accepts equivalent answers in any form. Part A

Zina [86]

Answer:

attach a picture

Step-by-step explanation:

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3 years ago

A hemispherical tank is filled with water and has a diameter of 12 feet. If water weighs 62.4 pounds per cubic foot, what is the

Reil [10]

Answer:

The total weight = 1286 × 62.4 = 80246 pounds.

Step-by-step explanation:

The formula of the volume of the sphere is

V = 4/3×π×r³

Given

d = 17 feet

d = 2r

r = d/2 = 17/2 = 8.5 feet

V = 4/3×π×r³

Since we need half of the volume as it is a hemispherical tank.

= 1286 ft³

Given that the weighs 62.4 pounds per cubic foot

Thus, the total weight = 1286 × 62.4 = 80246 pounds.

6 0

3 years ago

a line has a slope of -2 and includes the points (-1,r) and (2,4). write the value of r in the empty box

guajiro [1.7K]

Answer:

r= 10

Step-by-step explanation:

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3 years ago

How to calculate (-1,5) and (6,-2) that = -1

Alika [10]

The average rate of change formula is $\frac{yf-yi}{xf-xi}$

(-2-5)/(6-(-1))=-1

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3 years ago