3 years ago

What ordered pair is a solution of this equation 3x-7y=28 help

1 answer:

5 0

put it in slope intercet form then take the number before the x and the number after the x and put them into an ordered pair.

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Find the roots of the following polynomial equations: 1. y = 2x2 + 3x - 5

nydimaria [60]

Answer:

Step-by-step explanation:

$y=2x^2+3x+5\\$

Using the quadratic formula:

$\frac{-3+-\sqrt{9-4(2)(5)}}{2(2)} = \frac{-3+-\sqrt{-31}}{4}$

Since the discriminant is negative, -31, there are no real roots

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3 years ago

Siri is grocery shopping. She is buying macaroni. One box is 6 inches long, 1 inch wide and 9

sashaice [31]

Answer:

The second box

Step-by-step explanation:

The volume of a pyramid can be given by the formula: V=31Ah. Where. A: Area of the V=(1/3)(B)(h)

multiply both sides by 3

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divide both sides by B

3V/B=h

Therefore, If it is wider it has more space to carry more items such as macaroni.

I hope this helps! (:

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2 years ago

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Evaluate the numerical expression 24×5-41

Alinara [238K]

Start by multiplying 24*5 (PEMDAS)
24*5= 125
125-41=84

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2 years ago

Is 1.0227 repeated a rational number

Vlada [557]

Ir is a repeated number

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3 years ago

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In 2 seconds, an elevator travels 40 feet. In 3 seconds, the elevator travels 60 feet. In 4 seconds, the elevator travels 80 fee

professor190 [17]

Y=20x because if it travels 40 in 2 seconds that means in 1 second it traveled 20 so every second the elevator travels 20 so y is the total distance and X is the amount of seconds

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2 years ago

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