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Westkost [7]
3 years ago
10

Kevin says that the value of -1 x n is always equal to the value of n divided by (-1) for all values of n. Explain whether Kevin

is correct or incorrect.
Mathematics
1 answer:
Umnica [9.8K]3 years ago
8 0

Answer:

the statement is true.

Step-by-step explanation:

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Solve the inequality -d ≥ 0.5
Mariulka [41]

Answer:

d ≤ -0.5

Step-by-step explanation:

Multiply each term by -1

8 0
3 years ago
In triangle ABC, and C is a right angle. Find the value of the trig function find the sec(A) if C=25, B=20, A=15
asambeis [7]

Answer:

sec A = 5/4

Step-by-step explanation:

Sec of an angle is hypotenuse/adjacent side

In your problem, sec A = 25/20 = 5/4

It helps if you can draw a figure of the problem.  Make sure you memorize the definition of each trig function

5 0
3 years ago
The scatterplot shows the time it takes for a new hot plate to boil various amounts of water, and one lab group’s attempt at a l
Alinara [238K]

Answer:

The correct option is;

The line of best fit is not reasonable because it has more points below it than above it.

Step-by-step explanation:

Here we note that there are a total of seven points in the scatter plot and there are five of the points below the line of best fit and just two above the line.

Of the five points below the line of best fit, four are just about touching the underside of the line while one of the two points above the line is just about touching the line.

The proper positioning of the line can be reviewed, therefore, with a line drawn through the four points presently touching the underside of the line of best fit.

3 0
3 years ago
Read 2 more answers
Can someone help? Please explain how you got your answer.
frez [133]
The tablecloth has 42" diameter.
Add 8" at each end of the diameter to get 42" + 8" + 8" = 58".
The tablecloth has 58" diameter.
The radius is half the diameter.
Radius = diameter/2 = 58"/2 = 29".
Answer: The radius of the tablecloth is 29".

3 0
3 years ago
Read 2 more answers
What is the sum of twice a number and 13 is 75
photoshop1234 [79]
Equation-   2n+13=75
n is 31
Hope this helped.
7 0
3 years ago
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