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ahrayia [7]
3 years ago
10

What’s the answer to this

Mathematics
1 answer:
slamgirl [31]3 years ago
5 0

Answer:

a. 28/50

d. 10/52

e. 52/52

Step-by-step explanation:

a. half of deck is black add the two red jacks

d. all of even card (2,4,6,8,10 times 2 because 2 blacks per colour)

e. all cards are either red or black

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Write a decimal that is 1/10 of .9
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Read 2 more answers
The graph of the function f(x) = (x − 3)(x + 1) is shown.
AVprozaik [17]

The expression that describes all of the values for which the graph is positive and decreasing is all real values of x where x < -1

<h3>Which describes all of the values for which the graph is positive and decreasing?</h3>

The equation of the function is given as:

f(x) = (x - 3)(x + 1)

When the value of the graph is positive, we have:

f(x) > 0

So, the function becomes

(x - 3)(x + 1) > 0

Split the above inequality

x - 3 > 0 and x + 1 > 0

Solve for x in the inequalities

x > 3 and x > -1

Hence, the expression that describes all of the values for which the graph is positive and decreasing is all real values of x where x < -1

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3 0
1 year ago
Trent's salary used to be $143,020. After changing the amount of time he works, he has begun earning $78,661. By what percent di
svlad2 [7]

Answer:

The salary decreased by 45%

Step-by-step explanation:

Given,

The previous salary of Trent is $143,020

The current salary of Trent is $78,661

The decrease in salary is ($143,020 - $78,661) = $64,359

When he used to get $143,020, the decrease in salary is = $64,359

When he used to get $1, the decrease in salary is = $64,359/$143,020

When he used to get $100, the decrease in salary is = $(64,359/143,020)*100

                                                                                        = 45%

Therefore, there is a decrease in salary by 45%.

6 0
3 years ago
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