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3 years ago

Triangles QVS and RTS are similar. Find side VS.

Mathematics

1 answer:

tekilochka [14]3 years ago

7 0

In order to solve the equation, set up a proportion. Use the similar sides together!

1. 16/8 = x/20.... Similar sides are in one ratio and they equal another ratio...."x" represents the side of VS

2.Solve for "x" by cross multiplying: 8x = 320

3. Divide by 8 to find "x": x = 40

Side VS equals 40. Hope this helped :)

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Help, please simplify.. thank you

Romashka [77]

$\bf \cfrac{3.7\times 10^{-12}(42)}{(.000000025)(4.0\times 10^{-15})}\implies 
\cfrac{37\times 10^{-13}(42)}{(25\times 10^9)(4\times 10^{-15})}$

$\bf \cfrac{37(42)\times 10^{-13}}{25(4)\times 10^910^{-15}}\implies 
\cfrac{1554\times 10^{-13}}{100\times 10^{9-15}}\implies 
\cfrac{1554\times 10^{-13}}{1\times 10^2\times 10^{9-15}}
\\\\\\
\cfrac{1554\times 10^{-13}}{10^{2+9-15}}\implies \cfrac{1554\times 10^{-13}}{10^{-4}}\implies 1554\times 10^{-13}\times 10^4
\\\\\\
1554\times 10^{-13+4}\implies 1554\times 10^{-9}\implies \cfrac{1554}{10^9}\implies 0.000001554$

8 0

4 years ago

Match each pair of equivalent fractions. 1 4. 1. 4/16 8 1 4/10 ni - 17 MI10 10 2 3. 3 12/18 5 4 4. 2. 16/20 6 NEXT QUESTION ASK

koban [17]

Answer:

You divide each fraction by the highest multiple.

4/16 can be divided by 4 to get 1/4

12/18 can be divided by 6 to get 2/3

4/10 can be divided by 2 to get 2/5

16/20 can be divided by 4 to get 4/5

Step-by-step explanation:

hope this helps

7 0

3 years ago

Over the past several months, the water level of a lake has been decreasing by 3% each week. If the highest water level before t

VladimirAG [237]

Answer:

y= 407.54654 ft

Step-by-step explanation:

This is an exponential decay functions

y = ab^x where a is the initial value and b is ( 1 - rate of decay)

a = 520

b = 1- 3%

y = 520 ( 1- .3) ^x

y = 520 ( .97) ^x

We want x to be 8 weeks

y = 520 ( .97) ^8

y= 407.54654 ft

5 0

4 years ago

Please please help me

Alona [7]

This question is really hard

5 0

3 years ago

Read 2 more answers

Sheila has 11

RSB [31]

Answer:

Step-by-step explanation:

11 1/2 = 11.5

2 1/4 = 2.25

11.5 ÷ 2.25= 5.11

she needs 6 containers because you round up 5.11 to 6.

if your doing the work in fractions rather decimals let me know and I can explain it that way too

5 0

3 years ago