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kirza4 [7]
2 years ago
12

2 (y-3)=4 what's the answer

Mathematics
1 answer:
miskamm [114]2 years ago
7 0
2(y-3)=4
2y-6 = 4
   +6  +6
2y=10
/2   /2
y=5
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Which set of ordered pairs that satisfy the equation
krok68 [10]

Answer:

3

Step-by-step explanation:

3

5 0
3 years ago
Para decorar una pared se disponen de tiras de papel azules de 15 cm, verdes de 20 cm, y rojas de 25 cm. En la pared se quiere a
den301095 [7]

Answer:

a) Smallest line that can be made with each color = 300 cm

b) Total strips should be used = 47 strips

c) Total strips used of blue color = 20

  Total strips used of green color = 15

  Total strips used of red color = 12

Step-by-step explanation:

Given - To decorate a wall, there are 15 cm blue, 20 cm green, and 25 cm red strips of paper. On the wall you want to build three lines of the same size, one of each color and without cutting any strip.

To find - a) How long is the smallest line that can be made with each color?

              b) How many strips should be used?

              c) How many of each color?

Proof -

a)

For the smallest line that can be made with each color, we just have to find the lcm (least common multiple) of the 3 srtips.

Firstly,

Decompose the 3 strips to its prime factors , we get

15 = 3×5

20 = 2²×5

25 = 5²

So,

The Lcm(15, 20, 25) = 3×2²×5² = 3×4×25 = 300

∴ we get

Smallest line that can be made with each color = 300 cm

b)

Now,

Total strips used = 300 cm

Strips used by 15 cm blue = \frac{300}{15} = 20 strips

Strips used by 20 cm green = \frac{300}{20} = 15 strips

Strips used by 25 cm red = \frac{300}{25} = 12 strips

So,

Total strips should be used = 20 + 15 + 12 = 47 strips

c)

Total strips used of blue color = 20

Total strips used of green color = 15

Total strips used of red color = 12

6 0
2 years ago
Sarah took the advertising department from her company on a road trip to meet with a potential client including Sarah a total of
Svetach [21]
Sarah has spent 7 first class tickets, and 6 coach tickets that totals for 13 people that took the trip. 

$1040 * 7 = $7280 

$140 * 6 = $840 

$7280 + $840 = $8120 for Sarah's total budget she spent for 7 first class tickets and 6 coach tickets for 13 people that took the trip.  

Answer:
7 first class tickets.
6 coach tickets.

Hope this helps! 
<em>
</em>
<em>~ ShadowXReaper069</em>

7 0
3 years ago
Compare 5/8 1/3<br> (A) =<br> (B)&gt;<br> (C)&lt; <br> (D)none of the above
Sav [38]

Answer:

5/8 > 1/3

so the answer is B >

Step-by-step explanation:

hope this helps

6 0
3 years ago
I. need help plsssssssssssssssss
ValentinkaMS [17]

Answer:

I believe it is 1 4 2

Step-by-step explanation:

3 0
3 years ago
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