3 years ago

Which graph matches the exponential function f(x) = 2(1.5)x?

Mathematics

1 answer:

Rama09 [41]3 years ago

6 0

The third one pls mark me brainliest

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Nana76 [90]

Answer: to understand this we need a picture of the triangle, but without it I know that the only answer that is correct is the 3rd

Step-by-step explanation:

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3 years ago

Please show me how to solve for Xsquared - 21.75X = -15.75. I have the solution but do not know how to solve it.

Andreas93 [3]

$x^2-21.75x=-15.75 \\
x^2-21.75x+15.75=0$

Use the quadratic formula:
$x^2-21.75x+15.75=0 \\ \\
a=1 \\ b=-21.75 \\ c=15.75 \\ b^2-4ac=(-21.75)^2-4 \times 1 \times 15.75=473.0625-63=410.0625 \\ \\
x=\frac{-b \pm \sqrt{b^2-4ac}}{2a}=\frac{-(-21.75) \pm \sqrt{410.0625}}{2 \times 1}=\frac{21.75 \pm 20.25}{2} \\
x=\frac{21.75-20.25}{2} \ \lor \ x=\frac{21.75+20.25}{2} \\
x=\frac{1.5}{2} \ \lor \ x=\frac{42}{2} \\
x=\frac{15}{20} \ \lor \ x=21 \\
x=\frac{3}{4} \ \lor \ x=21 \\
\boxed{x=\frac{3}{4} \hbox{ or } x=21}$

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3 years ago

There are a total of 20 cubes in a box. There are 8 red cubes, 6 green cubes, 4 orange cubes, and 2 yellow cubes. What is the pr

natita [175]

Green = 6
Yellow = 2

6 + 2 = 8

8/20 can be simplified to 2/5

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1 year ago

The volume of a prism is 702 cubic inches of the length is 13 inches and the width is 6 inches what is the height

balu736 [363]

volume = L x W x H

702 = 13 x 6 x h

702 = 78 x h

702/78 = h

h = 9

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3 years ago

Eight less than a number

ycow [4]

N-8 or 8-n I would assume

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3 years ago

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