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N76 [4]
3 years ago
9

Any help please? :( i really need it

Mathematics
2 answers:
Alika [10]3 years ago
6 0
The answer is F(22.5)
Aloiza [94]3 years ago
4 0
Yes! All you have to do is set up some ratios. Since the triangles are similar,

If you put 15 over 12 (15/12) then you would put x over 18 (x/18)

Then cross multiply!
(Shown above)

Your answer is x = 22.5

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3 years ago
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In order to solve the system of linear equations, the coefficients of one of the variables must be the same number but opposite
Mashutka [201]

Answer:

Step-by-step explanation:

because both equations do not have matching numbers for the x or y variable, and both equations are positive you are going to have to multiply each equation by a number  so that there will be at least one variable with the same number but with opposite signs.

it does not matter which variable you choose.

lets use y because 2 and 3 are smaller then 2 and 5.

so lets multiply the first equation by 2 in order to get y equal to 6.

2(2x)+2(3y)=(2)6

(do not forget to multiply what the equation is equal to also)

4x+6y=12

now for the second equation we need y to equal negative 6

-3(5x)+-3(2y)=-3(4)

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now lets put the 2 new equations next to each other and see what we can cancel out

4x+6y=12

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8 0
3 years ago
Please help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
user100 [1]
Flip a coin twenty five times, the purpose of this is to show that theoretical and experimental do not always overlap.

Theoretically, it should be a fifty-fifty chance.

In the experiment because you do it a odd amount of times, 25, each flip will be worth a four percent chance.

You would not be able to make a fifty fifty chance with that amount of flips.

Also here:

1.) 13 Heads, 12 tails

2.) 48% chance for the coin to land on tails, 52% chance for the coin to land on heads.

3.) The theoretical probability of a coin landing on heads is 50% of the time that the coin is flipped. This is because there are two possibilities with an equal likelihood of happening 

4) The theoretical probability and experimental probability are different as theoretically there would be an equal likelihood or probability and in the experiement, there was a higher probability for the coin to land on heads. 

5 0
3 years ago
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What is the highest mulitipul of 2&3
yKpoI14uk [10]
Hope it's 30. .....................
5 0
3 years ago
4.5 is 8.2 what is the sum
antiseptic1488 [7]

Answer:

12.7

Step-by-step explanation:

4 0
3 years ago
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