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rewona [7]
3 years ago
12

Solve for x, given that the polygons are similar

Mathematics
1 answer:
Nata [24]3 years ago
6 0
In the question, we are given two polygons, and we are told that they are similar. Well, first, we can set up a proportion using the given sides and the side that we need to find. A suitable proportion would be \frac{2x-14}{60} = \frac{8}{24}. Now, in order to solve for x we cross multiply. This gives us 48x-336=480. Next, we add 336 to both sides. This gives us 48x=816, and when we divide both sides by 48, we get that \boxed{x=17}. Hope this helped!
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Iodine-131 has a half-life of 8 days. How much would be left of an original 40 g sample after 40 days?
Yuri [45]

Answer:

d) 1.25 g

Step-by-step explanation:

If it has a half life of 40 days, there will be 5 half-lives in that span of time so if you divide 40 by 2, 5 times or just \frac{40}{2^{5} }, it will equal 1.25.

\frac{40}{2}=20\\

\frac{20}{2} =10

\frac{10}{2} =5

\frac{5}{2} =2.5\\

\frac{2.5}{2} =1.25

8 0
3 years ago
What two consecutive numbers have a sum of 53? Thanks! :P
Musya8 [376]
Let's the name the first number x and the consecutive number x + 1. The sum of both of these numbers equals to 53.

We now have our equation:

x + x + 1 = 53

Now solve for x.

x + x + 1 = 53
2x + 1 = 53 <-- Combine like terms
2x = 52 <-- Subtract 1 from each side
x = 26

So, the first number is 26 and the second number is 27.
4 0
4 years ago
Read 2 more answers
How many solutions does this equation have?<br> 2q + 8 =2q
Furkat [3]

Answer:

No solution.

Hope this helps! Have a good day :)

7 0
4 years ago
Use algebra tiles to model the expression and combine like terms. Complete the statements.
gulaghasi [49]

Answer:

The equivalent expression is 4x + 3

3 0
2 years ago
The value of 110 coins, consisting of dimes and quarters, is $20.30. how many of each kind of coin are there?
deff fn [24]
D + q = 110......d = 110 - q
0.10d + 0.25q = 20.30

0.10(110 - q) + 0.25q = 20.30
11 - 0.10q + 0.25q = 20.30
-0.10q + 0.25q = 20.30 - 11
0.15q = 9.30
q = 9.30/0.15
q = 62 <==== there are 62 quarters

d = 110 - q
d = 110 - 62
d = 48 <==== there are 48 dimes

6 0
3 years ago
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