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sammy [17]
3 years ago
11

Al sumar su doble, su mitad y 15 se obtiene 99.​

Mathematics
1 answer:
Ksju [112]3 years ago
7 0

Answer:x = numero

2x= doble

x/2= mitad

sumamos todo : x+2x+x/2+15=99

7x/2= 99-15

7x= 84(2)

x=168/7

x=24

comprueba sumando 24+48+12+15=99 suerte!!!

Step-by-step explanation:

You might be interested in
Two angles form a linear pair. One angle measures (10x - 63). The other angle measures (8x)". What is the value of the larger
EleoNora [17]

Answer:

108 degrees

Step-by-step explanation:

Given

Let the angles be A and B

A = 10x - 63

B = 8x

Required

Find the larger angle

If both angles form linear pair, then the following relationship exist:

A + B = 180

Substitute values for A and B

10x - 63 + 8x = 180

Collect Like Terms

10x + 8x = 180 + 63

18x = 243

Solve for x

x = \frac{243}{18}

x = 13.5

Substitute 13.5 for x in

A = 10x - 63

B = 8x

A= 10 * 13.5 - 63

A= 135 - 63

A= 72

B = 8 * 13.5

B = 108

<em>Hence, the larger angle measures 108</em>

4 0
3 years ago
. Carlos and his family left for the amusement park at 7:35a.M. The trip took 1 hour 45 minutes. What time did they arrive?
Alex

Answer:

they arrived at 9:20 A.M.

Step-by-step explanation:

If you look at the time they left and how much time it took for them to arrive all you have to do is add 1:45 to 7:35 while adding in time sense so add the 5 to 35 to get 7:40 then add 20 from the 40 to the other 40 to get 8:00 then you can add the remaining 20 to get 8:20 now you can add the hour to make it 9:20 A.M.

6 0
3 years ago
Read 2 more answers
Bill has enough money to buy no more than 1/2 pound of cheese. How much cheese could he buy?
Zepler [3.9K]
1/2 I guess I don't  think you typed in the question correctly. Not trying to be mean.
3 0
4 years ago
Bob and Mark talk about their families. Bob says he has 3 kids, the product of their ages is 72. He gives another clue: the sum
DaniilM [7]
I have answered this question before. 

Given:
Bob has three kids whose ages has the product of 72. I will only be able to give you a set of 3 numbers to represent the ages. Had the sum of the ages been given, the specific ages would be provided.

I just did a prime factorization of 72.

72 ÷ 2 = 36
36 ÷ 2 = 18
18 ÷ 2 =   9
  9 ÷ 3 =   3
  3 ÷ 3 =   1

1 x 2 x 2 x 2 x 3 x 3 = 72   ⇒ 2³ x 3²

There are a lot of possible combinations, here are a few.

1 x 8 x   9 = 72      ⇒ 1 + 8 + 9 = 18
1 x 4 x 18 = 72      ⇒ 1 + 4 + 18 = 23
<span>2 x 4 x   9 = 72      ⇒ 2 + 4 + 9 = 15</span>
6 0
4 years ago
All possible samples of size n are selected from a population and the mean of each sample is determined. What is the mean of the
Masteriza [31]

Answer:

The population mean

Step-by-step explanation:

Sample Mean is the mean of of the selected samples while the population Mean is the mean of all the population. The mean of the sampling distribution of the sample mean is equal to the mean of the original distribution (that is the sample mean is equal to the population mean).

The mean of the sample means is always approximately the same as the population mean

8 0
3 years ago
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