3 years ago

which one doesnt belong ?identify the equation that does not belong with tge other three explain your reasoning

Mathematics

1 answer:

maks197457 [2]3 years ago

6 0

If you need the answer please add the questions

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David's bedroom door is 8 feet tall and 4 feet wide. A new door would cost $8.00 per square foot. How much would a new bedroom d

Verdich [7]

Answer:

$ 256

Step-by-step explanation:

square footage of door = 8 x 4 = 32 ft^2

32 ft^2 * 8 dollar /ft^2 = $ 256

6 0

2 years ago

Solve the following system of equations algebraically: y = x^2+7x−4 y = −x−4

oksian1 [2.3K]

Y = x² + 7x - 4
y = -x - 4

x² + 7x - 4 = -x - 4
+ x + x
x² + 8x - 4 = -4
+ 4 + 4
x² + 8x = 0
x(x) + x(8) = 0
x(x + 8) = 0
x = 0 or x + 8 = 0
   - 8 - 8
x = -8

  y = -x - 4
  y = -0 - 4
  y = 0 - 4
  y = -4
(x, y) = (0, -4)
or
y = -x - 4
y = -(-8) - 4
y = 8 - 4
y = 4
(x, y) = (-8, 4)

The solutions are (0, -4) and (8, -4).

7 0

4 years ago

Read 2 more answers

Would $105.00 be correct? With the equation of Y=x(15)?

Vilka [71]

Answer:

$15.00h=N

$15.00(7)=N

$105.00=N

N=$105.00

So yes you are correct

Hope that helped