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goblinko [34]
3 years ago
9

Diego then says, If we take half of the first number and double the second, the sum is 14. Write an equation that could represen

t this description. what is the solution?​
Mathematics
1 answer:
Luden [163]3 years ago
8 0

Step-by-step explanation:

let the first number be x

let the second number be y

½ of the first number= ½x

Double the second; 2*y=2y

the sum... that is ½x+2y=14

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In a game you flip a coin twice, and record the number of heads that occur. You get 10 points for 2 heads, zero points for 1 hea
UNO [17]

Answer:

\frac{15}{4}

Step-by-step explanation:

P(2 heads) = P(first flip = head)*P(second flip = head)

=> (\frac{1}{2} )(\frac{1}{2} ) = \frac{1}{4}

P(1 head) = P(first flip = head)*P(second flip = tail) + P(first flip = tail)*P(second flip = head)

= \frac{1}{4} +\frac{1}{4} =\frac{1}{2}

P(no heads) = P(first flip = tail)*P(second flip = tail)

= \frac{1}{4}

E(winning) =10(\frac{1}{4} )+0(\frac{1}{2} )+5 (\frac{1}{4} )

= (\frac{10}{4} )+ (\frac{5}{4} )

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7 0
3 years ago
What is the sum of the geometric sequence 3, 15, 75, … if there are 8 terms?
Firlakuza [10]
If you would like to know the sum of the geometric sequence, you can calculate this using the following steps:

3, 15, 75, 75 * 5 = 375, 375 * 5 = 1875, 1875 * 5 = 9375, 9375 * 5 = 46875, 46875 * 5 = 234375

<span>3 + 15 + 75 + 375 + 1875 + 9375 + 46875 + 234375 = </span>292,968

The correct result would be 292,968.
4 0
3 years ago
Read 2 more answers
Tell whether the ordered pair is a solution of the system of linear equations.
Lana71 [14]

To figure out if the ordered pairs are a solution to the equations, you would need to plug in the points. Your points are ordered as (x,y)

You would plug in the number that's in the x spot in x, and the number in the y spot in y.

Let's start of with the first problem:

First thing you would do is plug in (-1) to x, and 6 to y.

Your equations would look like this:

6(-1) + 3(6) = 18

2(-1) + 6 = 7

What you would now do is solve the equations. When you solve them, you would get these answers

12 = 18

4 = 7

For #1, it would be no solution because the numbers do not equal each other. (Fun fact) If one of them ends up as a solution, but the other is no solution, the answer would be no solutions because BOTH of them have to be a solution to the equations given in order to be a solution.

If you do the same strategy, (plugging in the numbers to x and y), you would get the rest of the answers for the problems.

I hope this helps, if you need any more assistance, I would be glad to help!




4 0
3 years ago
During one month there were 7 days of precipitation.What if there had only been 3 days of precipitation that month?How would tha
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The chart below shows one store's sales of computers, listed by model.
Tatiana [17]

Answer:

17.1

Step-by-step explanation:

3 0
3 years ago
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