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3 years ago

10

A map uses a scale where 3 inches represents 4 miles. if the distance between two cities is shown on a map as 24 inches, how man

y miles apart are the two cities?

1 answer:

Natali5045456 [20]3 years ago

3 0

they are 32 miles apart

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2x squared + x - 3 = 0

miskamm [114]

Step-by-step explanation:

_______________________________________

$2 {x}^{2} + x - 3$

Write the equation

_______________________________________

$= 2 {x}^{2} + 3x - 2x - 3$

expand x into 3x and -2x

_______________________________________

$= x(2x + 3) - (2x + 3)$

take x out and 2x+3 in bracket and take - out and 2x+3 in brackets

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$= (2x + 3)(x - 1)$

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hope it helped you:)

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3 years ago

Three pens cost $2.70.what is the cost for one?

Molodets [167]

<span>HELLO

3 = 2.70

1 = x

2,70 ÷ 3 = 0,9

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4 years ago

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Evaluate 3x2 - 2x when x = 5

White raven [17]

Answer:

The answer is 65

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3 years ago

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Can someone please help me with this. Show your work please.<br><br> -2x² - 5x<br> if x = -4

Ierofanga [76]

Answer:

-2x^2 - 5x

= -2-4^2 - 5*-4

= -2(-4 * -4 ) - (-20)

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Step-by-step explanation:

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4 years ago

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How do you solve this using substitution? <br> -x+y=1<br> x+y=-1

Alexeev081 [22]

Solve for the first variable in one of the equations, then substitute the result into the other equation.
Point Form: (-1,0)
Equation form: x=-1,y=0

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4 years ago