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3 years ago

What is the percent decrease from $150 to $100?

2 answers:

7 0

The best thing to do us to find the difference between $150 and $100. The difference is $50. You've then got to divide $150/$50 and thus gives you 3.333, therefore, the percentage decrease is 33% Hope this helps :)

Anastasy [175]3 years ago

6 0

N/100*150=100

150n=10,000

n=10,000/150

=(1,000*10)/(15*10)

=1,000/15

=200/3

=66+2/3

$100 is approximately 66.6% of $150, therefore the percent decrease was approximately 33.3%.

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To which interval would we restrict f(x) = cos (x-π/4) so that f(x) is invertible?

nadezda [96]

Answer:

The range of x values for which y is unique is 2·π

Step-by-step explanation:

For a function j: X → Y to be invertible, we have that for every y in Y, there is associated only one x which is an element of x

Hence, f(x) = cos(x - π/4) gives

the x intercept at two penultimate points of the graph of cos(x - π/4) are;

x = 2.36, and x = 8.64

x = 3/4·π, and x = 2.75·π = $2\tfrac{3}{4}\cdot \pi$

Hence the range of x values for which y is unique is presented as follows

$2\tfrac{3}{4}\cdot \pi - \frac{3}{4}\cdot \pi = 2}\cdot \pi$

The range of x values for which y is unique = 2·π.

4 0

2 years ago

HELPPPP I need help with this question!!!!

Ronch [10]

I think the 4th one but Im not too sure please forgive me if I'm wrong.

7 0

2 years ago

1. The Alabama state flag is white and has two diagonal red stripes. If the m<1 = 135°, what is

MaRussiya [10]

Using the supplementary angles theorem, it is found that the measure of the second angle is of m<2 = 45º.

<h3>What are supplementary angles?</h3>

Two angles are supplementary when the sum of their measures is of 180º.

The Alabama state flag has two lines opposite by the same vertex, hence two angles that are sided are supplementary, hence:

m<1 + m<2 = 180º.

135º + m<2 = 180º.

m<2 = 45º.

The measure of the second angle is of m<2 = 45º.

More can be learned about supplementary angles at brainly.com/question/12919120

#SPJ1

8 0

2 years ago

Find the percent of change from the first value to the second. 72: 81 -

nordsb [41]

Answer:

+12.5%

Step-by-step explanation:

This is rather simple. Subtract 72 from 81, then put the difference over 72. Then, multiply that by 100.

(81 - 72)/72 * 100

Subtract 72 from 81 to get 9

9/72 * 100

Multiply 9 by 100 to get 900

900/72

Simplify the above fraction by cancelling out 9.

100/8

Divide 100 by 8 to get 12.5%

The percent of change is +12.5%

5 0

3 years ago

Distribute 5(2x-4y+8z)

Cloud [144]

Answer: Hello! After being distributed, your answer should be 10x-20y+40z, hope this helps!

Step-by-step explanation: First multiply 5 and 2x and get 10x, then multiply 5 and 4y and get 20y, and lastly, multiply 5 an 8z and get 40z!

6 0

3 years ago