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2 years ago

Help please! No file attachments please, only write your answers in response to question.

Mathematics

1 answer:

brilliants [131]2 years ago

4 0

This is the correct answer for the problem
AFK,CGJ,DEL,BHM

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The product of a number y and 3 is 6

Lilit [14]

Answer:

y=2

Step-by-step explanation:

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2 years ago

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wind resistance varies jointly as an objects surface area and velocity. if an object traveling at 55 miles per hour with a surfa

nikdorinn [45]

Answer:

25 miles per hour

Step-by-step explanation:

Given

$W = Wind\ resistance$

$A = Surface\ Area$

$V = Velocity$

The joint variation can be represented as:

$W\ \alpha\ A*V$

Where:

$V = 55; A = 20; W = 220$

Required

Find V, when: $A = 55; W = 275$

We have:

$W\ \alpha\ A*V$

Express as an equation

$W= k *A*V$

Where k is the constant of variation

Make k the subject

$k = \frac{W}{A*V}$

When: $V = 55; A = 20; W = 220$

We have:

$k = \frac{220}{20 *55 }$

$k = \frac{220}{1100}$

$k = 0.2$

When: $A = 55; W = 275$

We have:

$k = \frac{W}{A*V}$

Substitute: $A = 55; W = 275$ and $k = 0.2$

$0.2 = \frac{275}{55 * V}$

Make V the subject

$V= \frac{275}{55 * 0.2}$

$V= \frac{275}{11}$

$V= 25$

3 0

2 years ago

What is the perimeter of this rectangle?

BlackZzzverrR [31]

The length of the rectangle would be X2 - X1
The height of the rectangle would be Y2-Y1

Perimeter = 2 X length + 2 times height

The perimeter would be 2(X2-X1) + 2(Y2-Y1)

The first choice would be the correct answer.

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3 years ago

Pls Help meeeee UWU (im gonna die)

Ronch [10]

Answer:

Step-by-step explanation:

When you sub in the numbers you get 20 divided by 2

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3 years ago