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Sergeeva-Olga [200]
3 years ago
6

18-20 please find the answer​

Mathematics
2 answers:
Alisiya [41]3 years ago
6 0
-2 because since the top number is a positive number isn’t bigger than the negative number so it will be -2
NNADVOKAT [17]3 years ago
5 0
<h2>Answer: -2</h2><h2 /><h3>Step-by-step explanation:  When subtracting positive numbers, count to the left. When subtracting negative numbers, count to the right.</h3>

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A la operación cuyo resultado es un conjunto formado por la reunión de los elementos de dos o mas conjuntos se les llama
lesya [120]

Answer:

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Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
On a December day, the probability of snow is 0.30. The probability of a "cold" day is 0.50. The probability of snow and "cold"
Margarita [4]

Answer:

Yes, snow and cold weather are independent.

Step-by-step explanation:

We are given the following in the question:

C: Cold weather

S: Snow

P(C) = 0.50

P(S) =0.30

P(S\cap C) = 0.15

We have to check whether snow and cold whether are independent events.

If the events A and B are independent then,

p(A\cap B) = P(A)\times P(B)

Checking,

p(S\cap C) = P(S)\times P(C)\\0.15 = 0.30\times 0.50

Thus, the two events are independent.

For mutually exclusive events

P(A\cap B) = 0

Thus, the given events are not mutually exclusive.

8 0
3 years ago
line k has a slope of -5. line j is perpendicular to line k and passes though the point (5,9) create the equation for line j
Anna71 [15]

Answer:

y = 1/5x + 8

Step-by-step explanation:

The first thing you should know is that the slope of a perpendicular line is the opposite reciprocal. So, the slope of line j is 1/5. This is your current equation: y=1/5x + b. Plug in your coordinate to the equation, it should look like this: 9=1/5(5)+ b. 1/5 times 5 equals 1, so this is what it should look like: 9=1 + b. Subtract 1 from both sides to get 8 = b. Go back to your original equation and plug in 8 to b. This is your final equation: y = 1/5x + 8. Hope this helped!

3 0
3 years ago
The trapezoid shown is divided into a right triangle and a rectangle. Write an expression that you could use to find area of the
Aleks [24]
I dont know the figure confuses me sorry
5 0
4 years ago
What is the inverse of f(x)=(x+6)2 for x≥–6 where function g is the inverse of function f? g(x)=x√−6, x≥0 g(x)=x−6−−−−√, x≥6 g(x
rosijanka [135]

Answer:

g(x)=\sqrt{x}-6, x>=0

Step-by-step explanation:

f(x)=(x+6)^2

To find the inverse function , replace f(x) by y

y=(x+6)^2

Replace x with y and y with x

x=(y+6)^2

Solve the equation for y

take square root on both sides

+\sqrt{x} =y+6

Now subtract 6 from both sides

+\sqrt{x}-6=y

replace y with g(x)

g(x)=\sqrt{x}-6

7 0
4 years ago
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