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cluponka [151]
3 years ago
15

PLS HELP ASAP 30 POINTS

Mathematics
1 answer:
mezya [45]3 years ago
8 0

Answer:

a) 7/12

b) 1/6

Step-by-step explanation:

(1)

Number greater than 5 include;

6, 7, 8, 9,10, 11, & 12

= 7

Probability of event = number of outcome ( total number of possible events )

= 7/ 12

(2)

Total number of possible events =  180 * 12

= 2160

Number of outcomes for;

Rolling a 3 = 1 * 120 / 2160 = 120/2160

Rolling a 9 = 1 * 120/2160 = 120/2160

Rolling a 11 = 1 * 120/2160 = 120/2160

120/2160 * 3

360/2160

= 1/6

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Joe began to increase the speed of his car at 2:00 P.M. Since that time,the speed of Joes car has been steadily increasing by 1
Olegator [25]

Answer:

7 mins

Step-by-step explanation:

Current speed of Joes Car = 65.5 mph

We have to find the time interval for which the car exceeded the speed limit of 55 mph.

While, we are given that the speed of the car was constantly increasing, hence the speed over all increased from the limit of 55 mph = 65.50-55.00 = 10.50 mph

We are also given that Joes car was increasing speed at a constant rate of 1.50 mph for every passing minute. Hence

1.50 mph is increased in 1 minute

1 mph will be increase in \frac{1}{1.5} minutes

Hence

10.50 mph will be increased in \frac{1}{1.5} \times 10.50 minutes

= \frac{10.5}{1.5}

=7

Hence joes car was exceeding the limit of 55 mph for 7 minutes.

8 0
3 years ago
If (1/a)+(1/b)=10 what is the value of a+b?
Goshia [24]
B) 2/5 

I think, if a and b are the same (coz then they would both equal 0.2)
3 0
3 years ago
Add [ -6 -2 2] + [-3 2 1]
Troyanec [42]
-6 (negative six) is the answer
8 0
3 years ago
Read 2 more answers
Part of a shape is drawn.
frosja888 [35]

Answer:

The points of the rotated shape are: (4, 1), (5, 3), (4, 4), (2, 1), (1, 3), (2, 4)

Step-by-step explanation:

From the part of the shape we can see and the symmetry, the missing points are:

(-2, -1)

(-1, -3)

(-2, -4)

Rotation 180° about the origin transforms the point (x, y) into (-x, -y). Applying this rule to our figure, we get:

(-4, -1) -> (4, 1)

(-5, -3) -> (5, 3)

(-4, -4) -> (4, 4)

(-2, -1) -> (2, 1)

(-1, -3) -> (1, 3)

(-2, -4) -> (2, 4)

6 0
3 years ago
Please I really need it ASAP!I'll give you brainliest! please...!!!!
nignag [31]

Answer:

5x+2 = 2x+17

=> 5x-2x = 17-2

=> 3x = 15

=> x = 15/3

=> x = 5

thats my answere

brainlieat me!!!thankyou

#keepitup

3 0
3 years ago
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