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vitfil [10]
3 years ago
7

PLEASE HELP ASAP!! DUE!!!

Mathematics
1 answer:
Ipatiy [6.2K]3 years ago
8 0

Answer:

s = (14 + 7 + 11)/2 = 32/2 =16

=> area = sqrt(16*(16-14)*(16-11)*(16-7)) = ~37.95

=> h = 2*Area/Base = 2*37.95/14 = 5.42

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Which represents the inverse of the function f(x) = 4x?
Nimfa-mama [501]
<h3>Answer: D)  h(x) = (1/4)x</h3>

This is the same as h(x) = x/4

In decimal form, it would be h(x) = 0.25x

=============================================

Explanation:

Inverses undo the original function. The original function tells us to take any input (x) and multiply by 4 to get the output y = f(x) = 4x

To get the inverse, we reverse the operation applied here. The opposite of multiplication is division. So we'll divide by 4 instead of multiply by 4. This is why the answer is x/4 or (1/4)x

-----------

Another approach is to do the following: Replace f(x) with y. Swap x and y. Solve for y

f(x) = 4x

y = 4x

x = 4y

4y = x

y = x/4

h(x) = x/4

We end up with the same result as before.

-----------

Extra info:

For any real number x, the following two equations are true

h( f(x) ) = x

f( h(x) ) = x

7 0
4 years ago
Pam is 11 years older than Carl. If the sum of their ages is 91, how old are Pam and Carl?
iren2701 [21]

Answer:

Pam is 51 while Carl is 40

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Find the quotient of (5+4i)/(6+8i) ans express in simplest forms
atroni [7]

Answer:

Your correct answer is 31/50 + -4/25 i

Step-by-step explanation:

5+4i/6+8i = 31/50 + -4/25 i

8 0
3 years ago
I need help with solving this problem please!!!
Juli2301 [7.4K]

Answer:

x = 128

x - 23 = 105°

Step-by-step explanation:

x - 23° = 105° because these angles are corresponding

x = 105 + 23

x = 128

The value of the angle marked x - 23 = 105

5 0
3 years ago
Find the area of this parallelogram.<br>6 cm<br>8 cm<br>15 cm​
stepan [7]

Answer:

90 cm

Step-by-step explanation:

15 x 6 = 90

6 0
3 years ago
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