Which of the following quadrilaterals are similar?

Answers

Answer 1

Answer:

i see nothing what do you mean

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If a car travels 400m in 20 seconds how fast is it going

Answers

Answer:

20 m/s

Step-by-step explanation:

Distance = rate * time

400 m = rate * 20 seconds

Divide each side by 20 seconds

400m/ 20 seconds = rate

20 m/second = rate

Given the function f(x)=0.3(4)x
what is the value of
f−1(6)

a. 0.360
b. 1.242
c. 2.161
d. 2.312

Answers

For this case we have the following function:
$f (x) = 0.3 (4) ^ x$
Rewriting we have:
$y = 0.3 (4) ^ x$
From here, we clear the value of x:
$(4) ^ x = y / 0.3log4 ((4) ^ x) = log4 (y / 0.3)$
Rewriting we have:
$x = log4 (y / 0.3)$
Therefore, the inverse function is given by:
$f ^ {-1} (x) = log4 (x / 0.3)$
For x = 6 we have:
$f ^ {-1} (6) = log4 (6/0.3)f ^ {-1} (6) = 2.161$
Answer:
is the value of f^-1(6) is:
c. 2.161

f(x)=0.3(4)^x

f^-1(x) = ?

x = 0.3(4)^y

4^y = x/0.3

4^y = 6/0.3

4^y = 20

y = 2.161

How is the graph of y=-2(3)^x+4 translated from the graph of y=2(3)^x

Answers

From the graph of y=2(3)^x:
The negative sign on the coefficient means a reflection across the x-axis. The plus 4 means shifted up 4 units.

It is reflected across the x-axis and the constant multiplicative rate is increased by four, downwards

(Permutations) what is he value of 8C6?

Answers

8C6 = 8!/[6!(8-6)!] = 56/2 = 28

F f(x) = 2x2 and g(x) = 3x, what is (g o f)(x)a. 6x2
b. 9x2
c. 18x2
d. 8x4

Answers

I think f(x) is 2x², and I think you're trying to ask for 'g' of 'f of x'.

g(x) = 3x

g [ f(x) ] = 3 (2x²) = 6x² .

That's choice-'a'.

Preparation for the homecoming football game, members of the student body are painting the spirit rock in front of the school. If Angela works alone, it will take her five and a half hours. If Brandon works alone, it will take him 7 hours. If they work together, it will take them approximately hours ?

Answers

The time required when Angela and Brandon work together, for the preparation for the homecoming football game, is 3.08 hours.

What is the relation between work and time?

The total time taken is inversely proportional to the rate of work. If a unit of workis done in total n number of days, then the total work done in a day can is,

$W_1=(1)/(n)$

In preparation for the homecoming football game, members of the student body are painting the spirit rock in front of the school.

If Angela works alone, it will take her five and a half hours. The work done by Angela in one hour is,

$A=(1)/(5.5)\nA=(2)/(11)$

If Brandon works alone, it will take him 7 hours. The work done by Brandon in one hour is,

$B=(1)/(7)$

The work done in one hour, when the work together,

$A+B=(2)/(11)+(1)/(7)\nA+B=(14+11)/(77)\nA+B=(25)/(77)\nA+B=(1)/(3.08)$

Thus, the time required when Angela and Brandon work together, for the preparation for the homecoming football game, is 3.08 hours.

Learn more about the work and time here;

brainly.com/question/25572872

Answer:

3.08 hours

Step-by-step explanation:

Preparation for the homecoming football game, members of the student body are painting the spirit rock in front of the school.

If Angela works alone, it will take her five and a half hours.

If Brandon works alone, it will take him 7 hours. If they work together, it will take them approximately hours ?

This is calculated as:

The Number of hours they worked together = T

1/5.5 + 1/7 = 1/T

= 7 + 5.5/(5.5)(7)