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Alexxandr [17]
2 years ago
6

Help ASAP!!!!! Need help as soon as possible

Mathematics
1 answer:
k0ka [10]2 years ago
5 0

Answer:

step 1. if the prize were chosen first the probability would be (1/2)(1/4) = 1/8.

step 2. the probability would be the same as part A.

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_ Is –7 + 9 positive or negative
Yanka [14]

Answer:

Positive 2

Step-by-step explanation:

its like ur subtracting 9+ (-7)

its basically 9-7=2

but not all problems r like this.

Brainlest plz

5 0
3 years ago
the coordinates of point t are ​(0,2). the midpoint of st is ​(1,-6) find the coordinates of point s.
sasho [114]

Question

the coordinates of point t are ​(0,2). the midpoint of st is ​(1,-6) find the coordinates of point s.

Answer:

(10,-14)

Step-by-step explanation:

0 + x

---------   = 5            Multiply both sides by 2 ---->   0 + x = 10  or x = 10

   2

2 + y

--------   = -8         Multiply both sides by 2  ---->  2 + y = -16   or y = -14        

   2

Therefore, the coordinates of point S should be at (10,-14)

4 0
3 years ago
On a flight from New York to London, an airplane travels at a constant speed. An equation relating the distance traveled in mile
lions [1.4K]

Complete question :

On a flight New York to London an airplane travels at a constant speed. An equation relating the distance traveled in miles d to the number of hours flying t is t= 1/500d. How long will it take the airplane to travel 800 miles?

Answer:

1.6 hours

Step-by-step explanation:

Given the function :

Time t taken for flying distance d is given by:

t = 1/500 * d

Tine taken to fly 800 miles;

d = 800 miles

t = 1/500 * (800)

t = 800 / 500

t = 1.6

Hence, time t = 1.6 hours

3 0
3 years ago
If f(x) = 3x +9 x when f(x) = 30
den301095 [7]

Answer:

x=5/2

Step-by-step explanation:

When f(x)=30, we have 3x+9x=30.

Combining like terms on the right side, we have 12x=30.

Finally, dividing by 12 we get x=30/12.

We note that 30=6*5 and 12=6*2, so 30/12=5/2.

So, \boxed{x=5/2} and we're done!

3 0
2 years ago
Select all of the examples of elastic energy:
natali 33 [55]

Answer:

c,a

Step-by-step explanation:

3 0
3 years ago
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