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sp2606 [1]
3 years ago
8

100 - x2 + 15, cuando x = 9

Mathematics
1 answer:
Irina-Kira [14]3 years ago
6 0
Answer. 67
Explanation 100 - x2 + 15 X = 9

100 - (9) 2 + 15
100 - 18+15
100- 33
67
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Which equation represents the graphed function ?
goldenfox [79]

Answer:

A

Step-by-step explanation:

The equation of a line in slope- intercept form is

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Calculate m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (0, 3) and (x₂, y₂ ) = (1, 1)

m = \frac{1-3}{1-0} = - 2

note the line crosses the y- axis at (0, 3) ⇒ c = 3

y = - 2x + 3  → A

8 0
3 years ago
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Sean bought 8 slurpees at $1.50 each and 6 popsicles. He gave the cashier $25.00 and received $4.00 change. How much did each Po
Lina20 [59]

Answer:

1.50

Step-by-step explanation:

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25-12=13

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9/6=1.5

8 0
3 years ago
the length of a rectangle is 3 times the width the perimeter of rectangle is 44cm. what is the length and the width?
Gennadij [26K]

The rectangle length is 16.5 cm.

The rectangle width is 5.5 cm.

5 0
3 years ago
I don't understand plz help​
Rasek [7]

Answer:

The equation that represent x, the height of the sign is;

2a = 3x

Step-by-step explanation:

Given that the area of the triangular yield is A square feet

and it has a base length of 3 feet.

also the height is represented by x;

b = 3ft \\ h = x

Recall that the area of a triangle can be written as;

a =  \frac{1}{2} bh

substituting the given;

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Therefore, the equation that represent x, the height of the sign is;

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8 0
3 years ago
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barxatty [35]

Answer:

So both equations are true

Step-by-step explanation:

#4 was asking you to substitute x = 4 into both equations to see if it's the solution of the equations.

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y = 30x  + 20

y = 30(4) + 20

y = 120 + 20

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y = 15x + 80

y = 15(4) + 80

y = 60 + 80

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Both companies charged same price  $140 for 4 days

So both equations are true

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3 years ago
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