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kotykmax [81]
3 years ago
12

There are two numbers whose sum is 53. Three times the smaller number is equal to 19 more than the larger number. What are the n

umbers?
Mathematics
1 answer:
julsineya [31]3 years ago
6 0

18 and 35. The numbers whose sum 53 are 18 and 35.

The key to solve this problem is using a system of equations.

There are two numbers whose sum is 53. This number can be represented as x and y. So:

x + y = 53

Three times the smaller number is equal to 19 more than the larger. Let's set x as the smaller number and y the larger number. So:

3x = 19 + y

Clear y in both equations and let's use the equalization method to solve for x:

y = 53 - x and y = 3x - 19

Then,

53 - x = 3x - 19

53 + 19 = 3x + x ---------> 3x + x = 53 + 19 -------> 4x = 72

x = 72/4 = 18

To find y, let's substitute x = 18 in the equation x + y = 53

18 + y = 53 --------> y = 53 - 18

y = 35

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samantha plays a game in which she rolls two standard dice and finds the sum of the dots facing up. which list shows all the pos
lara [203]

Answer:

List of all possible outcomes is

S = {(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)}

Step-by-step explanation:

Here Event E = Two dices are rolled at a time

Now here  according to the question,

The possible out comes for dice 1, when rolled is: {1,2,3,4,5,6}

The possible out comes for dice 2, when rolled is: {1,2,3,4,5,6}

If both dices are rolled simultaneously, then the sample space S is given as

S = {(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)}

⇒ There are total 36 OUTCOMES when both dices are rolled together.

Now, here sum of both the terms appearing on dice can be

{2,3,4,5,67,8,9,10,11,12}

If the outcomes is: (1,1)} , then SUM OF TERMS is 2.

If the outcomes is: (1,2),(2,1) } , then SUM OF TERMS is 3.

Similarly, If the outcomes is: (6,5),(5,6) } , then SUM OF TERMS is 11.

If the outcomes is: (6,6)} , then SUM OF TERMS is 12.

3 0
4 years ago
Pls help!<br> how many faces does it have?
bezimeni [28]

Answer:

6

Step-by-step explanation:

I just learned this!! :)

7 0
3 years ago
Read 2 more answers
Find S5 for the sequence 3, 13, 23, 33, 43, 53, 63, 73.
hoa [83]
 have an arithmetic sequence here....to find the common difference, subtract the first term from the second term. 13 - 3 = 10...so basically, ur adding 10 to each number to get to the next number.

before we find s5, we r going to find a5...because we need a5 to use in the sum formula.....a5 is the fifth term, and it is 43

sn = (n (a1 + a5) / 2
s5 = (5 (3 + 43) / 2
s5 = (5 (46)) / 2
s5 = 230/2
s5 = 115 <===

or, for this particular problem, s5 is the sum of the first 5 terms.
3 + 13 + 23 + 33 + 43 = 115.....u can do it this way for s5...but if u were asked to find s20, I suggest using the formula.
3 0
4 years ago
Answer this question
aleksley [76]

Answer:

A is the answer

Step-by-step explanation:

there are more two-legged pirates than one-legged pirates

3 0
3 years ago
I don’t know how to find the slope
Maksim231197 [3]
Slope is just tangent of the graph
8 0
3 years ago
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