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V125BC [204]
3 years ago
12

I need to solve y=2x-4 solve for y algebraically? That for y

Mathematics
1 answer:
SOVA2 [1]3 years ago
4 0

Answer:

x=3 y=2

Step-by-step explanation:

please refer to the picture I sent

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Help!! please! Will mark Brainliest!
Karo-lina-s [1.5K]

Answer:

A) 264 ft^2, 4 gallons

Step-by-step explanation:

Area of rectangle = 12 ft x 18 ft = 216 ft^2

Area of triangle = 1/2 (28- 18)(12) = 1/2(10)(12) = 60 ft^2

Area of window: 3 ft x 4 ft = 12 ft^2

Areas will be painting = (216 + 60) - 12 = 264 ft^2

1 gallon of paint will cover 70 ft^2 so 264 ft^2 / 70 ft^2 = 3.77 gallons

So Mr. Williams will need 4 gallons of paint to cover 264 square feet of his barn

7 0
3 years ago
For the given equation, find the values of a, b, and c, determine the direction in which the parabola opens, and determine the y
Zolol [24]

Answer:

Step-by-step explanation:

In the quadratic

3x^2+2x-8 the sign on the leading coefficient is positive, so the parabola opens upwards. The y-intercept exists where the x's are equal to 0, so the y-intercept is (0, -8). Match that to the table that has those characteristics in it.

5 0
3 years ago
Can anyone help me evaluate this f(x)=8+4x the functions are 0 and -2.
Fynjy0 [20]

Answer: f(0)=8

f(-2)=0

Step-by-step explanation:

f(0)=8+4(0)

f(0)=8+0

f(0)=8

f(-2)=8+4(-2)

f(-2)=8+(-8)

f(-2)=8-8

f(-2)=0

3 0
1 year ago
Evaluate composite functions
Vlada [557]

Answer:

2

Step-by-step explanation:

Step 1: Write out equation g(f(a))

1/√a

Step 2: Plug in 0.25 for <em>a</em>

1/√0.25

You answer should be 2

5 0
2 years ago
A four-pack of 4242-ounce ink cartridges sells for $85.99$85.99. The expression 42c42c represents the amount of ink in a number
masya89 [10]
The variable cc refers to how much ink is in a certain number of cartridges. If the box says 42cc, that means the amount of ink in those particular cartridges is 42. If a box said 12cc, the amount would be 12. The variable cc just states the amount of ink you can expect from a particular amount of cartridges.
8 0
3 years ago
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