4 years ago

Determine if the following equation is a linear, quadratic, or exponential function. 25x2 3x -2 =0

Mathematics

1 answer:

Llana [10]4 years ago

4 0

Answer:

quadratic

Step-by-step explanation:

25 x^2 +3x-2=0

The highest power of x is x^2 which makes the function quadratic

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a family has two cars. the first car has a fuel efficiency of 20 miles per gallon of gas and the second has a fuel efficiency of

Kryger [21]

Let the number of gallons consumed be the first car be x, and that of the second car, y. Then:
x + y = 50 . . . . . . . (1)
20x + 15y = 850. . . (2)

(1) x 20 => 20x + 20y = 1000 . . . (3)
(2) - (3) => -5y = -150 => y = -150/-5 = 30

From (1), x + 30 = 50 => x = 50 - 30 = 20

Therefore, first car consumed 20 gallons and the second consumed 30 gallons.

3 0

3 years ago

Alex buys a subscription to a streaming site. The function describes the 5.50m c=3+2 cost of the yearly subscription,c, in terms

azamat

Answer:

$5.50 = c = 3 + 5 = 7c \\ \\ then \: divide \: 5.50to \: the7 \\ \\$

Step-by-step explanation:

the answer u will get after

3 0

3 years ago

Find the Surface Area and Volume of Sphere with radius 12 cm.

Gnom [1K]

$Radius:r=12cm\\\\Surface\ area:\\A=4\pi r^2\to A=4\pi\cdot12^2=4\pi\cdot144=576\pi\ (cm^2)\\\\Volume:\\V=\frac{4}{3}\pi r^3\to V=\frac{4}{3}\pi\cdot12^3=\frac{4}{3}\pi\cdot1728=4\pi\cdot576=2304\pi\ (cm^3)$