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3 years ago

9

Amy,Tyrone, Nina, Jake, and Mandy are standing on line at the grocery store. Each one is wearing a different color shirt: red, g

reen, orange, blue, and purple. Use the following information to answer the question(s).

1 answer:

coldgirl [10]3 years ago

6 0

Answer:

what is the question?

Step-by-step explanation:

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The value of a car is inversely proportional to its age. if a car is worth $8100 when it is 6 years old, how old will it be wh

Sveta_85 [38]

It is $13.500 because you are adding

8 0

3 years ago

In an electrical circuit ,the voltage across a resistor is directly proportional to the current running through the resitor.If a

Lerok [7]

Answer: The voltage across an identical resistor = 60 Volts

Step-by-step explanation:

Step 1

Given that voltage across the resistor is directly proportional to the current running through the resitor.

Mathematically, it would be represented as

Voltage ∝ Current

Introducing the constant of proportionality, k which represents the Resistor as it is constant.

we have that

Voltage = K x Current

When current = 12 amps and voltage = 480v, the constant of proportionality K

480 = k x 12

k = 480/12

k= 40

Step 2 ,

when current = 1.5 amps

Voltage = ?

Using our equation that

Voltage = K x Current

Voltage = 40 x 1.5

Voltage = 60 Volts

3 0

3 years ago

Drag each measure to a box on the right to match the measure on the left. 5 feet10,560 feet48 inches126 inches 2 miles 123 yards

charle [14.2K]

Answer:

4 feets = 48 inches

2 miles = 10,560 feets

1 2/3 yards = 5 feets

3 1/2 yards = 126 inches

Step-by-step explanation:

Recall :

1 Feet = 12 inches

1 MILE = 5280 feets

1 yard = 36 inches

1 yard = 3 feets

If 1 feet = 12 inches

4 feets will be ; (12 * 4) inches = 48 inches

If 1 mile = 5280 feets

2 miles will be ; (5280 * 2) = 10,560 feets

If 1 yard = 3 feets

1 2/3 yards will be ; (5 /3) * 3 = 5 feets

If 1 yard = 36 inches

3 1/2 yards will be ; (7 /2 ) * 36 = 126 inches

8 0

3 years ago

What is the product of any nonzero real number and it’s multiplicative inverse?

Elis [28]

Answer:

1

Step-by-step explanation:

The product of any nonzero real number and its multiplicative inverse (reciprocal) is always 1. This is called the multiplicative identity or the identity element of multiplication.

~Hope this helps!~

7 0

3 years ago

Which explains whether or not the function represents a direct variation?

s2008m [1.1K]

Answer:

The function represents a direct variation

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a direct variation if it can be expressed in the form $y/x=k$ or $y=kx$

In a linear direct variation the line passes through the origin and the constant of proportionality k is equal to the slope m

Let

$A(0,0)$ ------> the line passes through the origin

$B(2,10)$

Find the value of k------> substitute the value of x and y

$y/x=k$ -----> $k=10/2=5$

$C(4,20)$

Find the value of k------> substitute the value of x and y

$y/x=k$ -----> $k=20/4=5$

$D(6,30)$

Find the value of k------> substitute the value of x and y

$y/x=k$ -----> $k=30/6=5$

$E(8,40)$

Find the value of k------> substitute the value of x and y

$y/x=k$ -----> $k=40/8=5$

The value of k is equal in all the points of the table and the line passes through the origin

therefore

The function represents a direct variation

the equation of the direct variation is equal to

$f(x)=5x$

4 0

3 years ago

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