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Eddi Din [679]
2 years ago
10

Andi berenang 6 hari sekali, Dodi setiap 5 hari sekali, sedangkan Riki setiap 3 hari sekali. Pada tanggal 1 Juli 2017 mereka ber

enang bersama-sama. Mereka akan berenang bersama-sama lagi pada tanggal ….
Mathematics
1 answer:
ZanzabumX [31]2 years ago
6 0

Menjawab:

31 Juli 2017

Penjelasan langkah demi langkah:

Dapatkan kelipatan umum terendah dari tiga hari berenang:

Kelipatan dari:

6 = 6, 12, 18, 24, 30, 36, 42, 48

5 = 5, 10, 15, 20, 25, 30, 35, 40, 35

3 = 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42

Kelipatan persekutuan terendah adalah 30

Hari angsa bersama = 1 Juli 2017

Tanggal sarang di mana ketiganya akan berenang bersama adalah setelah 30 hari:

1 Juli 2017 + 30 hari = 31 Juli 2017

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An online photo services charge $20 to make a photo book with 16 pages each extra page cost a dollar 75 the cost to ship the com
Alisiya [41]

Answer:

The expression to determine the total cost in dollars is y=25+0.75x.

Step-by-step explanation:

Given:

Service charge to make a photo book = $20

Cost per extra page = $0.75

Cost to ship the complete photo book = $5

We need to write expression to determine the total cost in dollars.

Solution:

Let the number of extra pages be denoted by 'x'.

Also Let the Total cost be denoted by 'y'.

Now we can say that;

Total cost will be equal to sum of Service charge to make a photo book and  Cost per extra page multiplied by number of extra pages and Cost to ship the complete photo book.

framing in equation form we get;

y=20+0.75x+5\\\\y=25+0.75x

Hence the expression to determine the total cost in dollars is y=25+0.75x.

3 0
3 years ago
What is <br>2 divided by 192? ​
astra-53 [7]

Answer:

192/2 = 96 because is just the half of the number

5 0
2 years ago
Some of the students three scores is 231. If the first is 20 points more than the second, and the sum of the first two is 6 more
Aleks [24]

Answer:

The first score is 109

Step-by-step explanation:

I am assuming that in the first sentence of the question, you meant:

Sum of the students three scores is 231...

First, let the scores of the first second and third student be a, b and c respectively. We are told that:

a + b + c = 231 . . . . . . . .(1)         (sum of students three scores is 231)

a = b + 20 . . . . . . . . . . . (2)        (the first is 20 points more than the second)

a + b = 6c . . . . . . . . . . . .(3)        (sum of the first two is 6 more times the third)

required, find a.

substituting the value of (a + b) in equation (3) into equation (1), we will have the following:

since a + b = 6c . . . (3)

a + b + c = 231 . . . . . (1), becomes,

(a + b) + c = 231

(6c)  + c = 231

7c = 231 (divide both sides by 7)

c = 231 ÷ 7 = 33

∴ c = 33

Next, from equation (2), we know that a = b + 20; this can also be written as:

a - 20 = b

∴ b = a - 20 . . . . . . . (4)

Finally, putting the value of b in equation (4) and the value of c calculated above into equation 1, ( a + b + c = 231), we have the following:

a + (a - 20) + 33 = 231

(a + a) - 20 + 33 = 231

2a + 13 = 231

2a = 231 - 13 = 218

a = 218 ÷ 2 = 109

∴ a = 109

we can also calculate for 'b' by substituting for the value of 'a' in equation 4

b = a - 20 = 109 - 20 = 89.

and to test if the values of a, b and c are correct:

a + b + c = 231

109 + 89 + 33 = 231

4 0
3 years ago
Does anyone know what the code is Ive been stuck on this for like ever.
timama [110]

Answer:

Binary code

Step-by-step explanation:

Code is a word or a symbol which is not disclosed to everyone and is considered as secretive. There are various codes which are required to run a software in order to minimize the risk of piracy. These codes are binary codes or java codes. These are complex so that not everyone can crack it.

3 0
3 years ago
Sandy was asked to describe the transformation of y=-3(x - 4)^2 - 6 from the parent graph of y=x^2
gavmur [86]

Answer:

As below.

Step-by-step explanation:

The -4 shifts the graph to the right not the left.

The second error is the refection is over the x-axis not the y-axis.

5 0
3 years ago
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