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pogonyaev
3 years ago
14

Ten times a number decreased by seven equals 101 plus that number. Find the number

Mathematics
1 answer:
nadya68 [22]3 years ago
8 0
The number is twelve.
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If two dice are thrown whats si the probability that they will add to 9?A2/36B3/36C3/36D4/36
GuDViN [60]

Answer:

D.\frac{4}{36}

Step-by-step explanation:

Solution,

Two dice are thrown.

So we have to find out the total number of outcomes.

(1,1),\ (1,2),\ (1,3),\ (1,4),\ (1,5),\ (1,6)

(2,1),\ (2,2),\ (2,3),\ (2,4),\ (2,5),\ (2,6)

(3,1),\ (3,2),\ (3,3),\ (3,4),\ (3,5),\ (3,6)

(4,1),\ (4,2),\ (4,3),\ (4,4),\ (4,5),\ (4,6)

(5,1),\ (5,2),\ (5,3),\ (5,4),\ (5,5),\ (5,6)

(6,1),\ (6,2),\ (6,3),\ (6,4),\ (6,5),\ (6,6)

The total number of outcomes = 36

We have to find out the probability of outcomes that add up to 9.

So, Possible outcomes are;

<u>(3,6),\ (4,5),\ (5,4),\ (6,3)</u>

The total number of possible outcomes = 4

Now, according to the formula of probability,

P(E)=\frac{Total\ number\ of\ Possible\ outcomes}{Total\ Number\ of\ outcomes}

P(of\ add\ up\ to\ 9)=\frac{4}{36}

Hence the correct option is D)4/36.

5 0
3 years ago
I dont need answers but does someone mind explaining what i have to do here? im stuck, thanks!​
klio [65]

Answer:

for this problem you would have to find the coordients on the graph and then once you find all the coordients you would attach the lines together which should be a triangle.

Step-by-step explanation:

If you need answer's I can pin a picture

5 0
3 years ago
Read 2 more answers
A Ferris wheel travels in a circular motion and measures 40 meters from the top car to the bottom car. What is the length of the
luda_lava [24]

Answer:

  20 m

Step-by-step explanation:

The distance from the top car to the bottom car is equal to the diameter of the wheel. The diameter is 40 m, and that is twice the radius. The radius of the Ferris wheel is (40 m)/2 = 20 m.

5 0
3 years ago
Simplify the following expression 2x-5(2x-7y+3)+(-8)
Mashutka [201]
You need to distribute the -5 and(2x-7y+3)which gives you -10x+35y-15. Now you have 2x-10x+35y-15+-8. Combine like terms, 2x-10x=-8x, also combine -15+-8= -23. The answer would be -8x+35y-23.
4 0
3 years ago
Solve for a.<br> a+b= 15
AleksandrR [38]

So sorry I got it wrong and don't know how to delete

5 0
2 years ago
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