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Anna11 [10]
3 years ago
13

Use a graphing calculator to sketch the graph of the quadratic equation, and then state the domain and range. y = negative 5 x s

quared + 3 x + 10

Mathematics
2 answers:
nadya68 [22]3 years ago
7 0

Answer:

Use a graphing calc.

Domain: All real numbers

Range: (negative infinity, 10.45]

Step-by-step explanation:

KengaRu [80]3 years ago
6 0

Answer:

Use a graphing calc.

Domain: All real numbers

Range: (negative infinity, 10.45]

Step-by-step explanation:

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Artie Works at Arby's. Last week he worked 22 hours. He makes $12.25 an hour. What was Artie's Gross Pay?
Arturiano [62]

Answer:

Idk

Step-by-step explanation:

8 0
2 years ago
The distance from one corner of a rectangular garden to the other is 13 ft. The length of the garden is 7 ft longer than the wid
coldgirl [10]

Answer:

  • dimensions: 12 ft by 5 ft
  • area: 60 ft²

Step-by-step explanation:

Let x represent the shorter dimension in feet. Then the longer one is x+7 and the Pythagorean theorem tells us the relation of these to the diagonal is ...

  x² + (x+7)² = 13²

  2x² +14x + 49 = 169 . . . . eliminate parentheses

  x² +7x -60 = 0 . . . . . subtract 169 and divide by 2

  (x +12)(x -5) = 0 . . . . factor the equation

  x = -12 or +5 . . . . . . . only the positive value of x is useful here.

The short dimension is 5 ft, so the long dimension is 12 ft. The area is their product, 60 ft².

_____

<em>Comment on finding the area</em>

The quadratic equation above can be rearranged and factored as ...

  x(x +7) = 60

Since the dimensions of the garden are x and (x+7), this product is the garden's area. This equation tells us the area is 60. We don't actually have to find the dimensions.

4 0
3 years ago
Does this graph represent a function? why or why not?
masha68 [24]

Answer: D

Step-by-step explanation:

8 0
2 years ago
Find the product of (x − 8)^2 and explain how it demonstrates the closure property of multiplication.
Goryan [66]

Answer:x^2-16x+64

Step-by-step explanation:

in the attachment

6 0
3 years ago
Read 2 more answers
Richard cut his pizza into 12 slices. Gianni cut his pizza into 6 slices, and ate 2 slices. Together, ate 9/12 of one pizza. How
andrew11 [14]
FInd the common denominator: 12

That means gianni ate 4/12 of his pizza

Subtract 9/12 by 4/12

You get 5/12



That means 5/12 must be your answer

Richard ate 5/12 of his pizza
Hope this helped
(Answer also can be 5)

8 0
3 years ago
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