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Georgia [21]
3 years ago
14

Evaluate f(x)= 1.8 X 2^x for x=6 A: 115.2 B: 2176.78 C: 21.6

Mathematics
2 answers:
Vitek1552 [10]3 years ago
7 0

Question:

Evaluate f(x)= 1.8 X 2^x for x=6

Answer choices:

A: 115.2

B: 2176.78

C: 21.6

Answer:

A:115.2

Step-by-step explanation:

F(x) F(6)

=1 . 8 • 2 • 1

=1 . 8 • 261

=1 . 8 • 64115.2

=115.2

Hence, your answer is A:

attashe74 [19]3 years ago
3 0
By substitution
f(6) = 1.8×2^(6)
= 1.8×64
= 115.2
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3 years ago
I need help this is my hardest question
MaRussiya [10]

use soh cah toa!

Step-by-step explanation:

soh= sin opposite/hypotenuse

sin (65°) 5/x

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x* (sin 65°)= 5

x (0.906308) =5

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5 0
3 years ago
What is the total surface area of the rectangular prism below?
AlexFokin [52]

Answer:

solution given:

length[l]=3 in

breadth [b]=5in

height [h]=8in

total surface area of the rectangular prism=?

we have

total surface area of the rectangular prism

=2[lb+bh+lh]

=2[3*5+5*8+3*8]

=158 in²

<u>total surface area of the rectangular </u><u>prism</u><u> </u><u>is</u><u> </u><u>1</u><u>5</u><u>8</u><u> </u><u>in²</u><u>.</u>

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3 years ago
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Lucy kicks a shuttlecock into the air from a height of 0.6 feet
SpyIntel [72]

Answer:

4.6 feet

Step-by-step explanation:

The equation is:

h=-16t^2+vt+s

Where

v is initial velocity (given as 16)

s is initial height (given as 0.6)

Substituting, we can write:

h=-16t^2+16t+0.6

This is a quadratic equation of the general form:  at^2+bt+c

Which we can conclude the coefficients to be:

a = -16

b = 16

c = 0.6

The max height occurs at the value:  t=-\frac{b}{2a}

So, max height occurs at:

t=-\frac{16}{2(-16)}\\t=0.5

We will get the max height if we put  t = 0.5  into the original equation. So that would be:

h=-16t^2+16t+0.6\\h=-16(0.5)^2+16(0.5)+0.6\\h=4.6

Max Height = 4.6 feet   (occurs at t = 0.5 seconds)

8 0
4 years ago
What are the values for m, n, and p that complete the difference: 7/x-3/2=(n-mx)/px
Crank

Answer:

m = 3

n = 14

p = 2

Step-by-step explanation:

7/x-3/2=(n-mx)/px

(7*2-3*x/2)/2x=(n-mx)/px

=>(14-3x)/2x = (n-mx)/px

now we will  compare

LHS and RHS with terms containing X and terms not containing x

so

14 = n

-3x = -mx

m = 3

2x = px

p = 2

Thus,

values for m, n, and p

are 3,14 and 2 respectively.

3 0
3 years ago
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