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kiruha [24]
3 years ago
7

Branliest to correct answer no guessing please

Mathematics
1 answer:
Ann [662]3 years ago
3 0

Answer:

THE CORRECT IS B(a and b)= p(A).P(B)

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Solve for X, and show the equation you would use to solve.
Juli2301 [7.4K]

Answer:

x=10

Step-by-step explanation:

7 0
4 years ago
Read 2 more answers
Tea is made up of milk and tea ratio of 2 to 9. how much tea can be made using 1 litre of milk
Ilya [14]
You can solve it like this

2=milk (a); 1=milk (b)
9=tea (a); x= tea (b)

2:9=1:x (then multiply means and the extremes)
(means are 9 and 1; extremes are 2 and x)

9=2x
9/2= x
4.5 or 4 1/2=x

Therefore, using 1 litre of milk, we can have 4 1/2 tea.



3 0
3 years ago
In the first quadrant you start at 7,5 and move 4units left and 1 unit down
Elenna [48]

Answer:

(3,4)

Step-by-step explanation: I'm assuming you want to know the final point you end up at. The first part of our coordinate pair is our x value, so we want to reduce our x-value by 4 to go left 4 units, the second part is our y-value, we want to reduce it by 1 to go down 1 unit. So, our final coordinate pair is (7-4,5-1) or (3,4).

7 0
4 years ago
A recipe calls for 2 3/4 cups of milk. How many cups of milk, written as a fraction greater than one, are used in the recipe?
ivann1987 [24]
11/4 the recipe calls for a total of 11/4 cups of milk
8 0
3 years ago
Read 2 more answers
The average speed of a car driving down freeway is 70mph with a standard deviation of 5mph. Thid speed is normally distributed.
ikadub [295]

Answer:

0.081,0.2621,0.645,0.919

Step-by-step explanation:

Let X be the average speed of a car driving down freeway

Given that X is normal with mean as 70mph with a standard deviation of 5mph.

To convert to Z score we do

Z =\frac{x-70}{5}

a)  the probability that a randomly selected car is driving more than 77mph

=P(X>77)\\=P(Z>1.4)\\=0.081

b) probability that a randomly selected car is driving between 65 and 69 mph

= P(-1

c) the probability that a randonly selected car is driving between 67 and 77mph

=P(-0.6

d) the probability that a randomly selected car is driving less than 77mph

=P(Z

5 0
3 years ago
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