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3 years ago

Find angel v (use pic)

Mathematics

1 answer:

Setler [38]3 years ago

3 0

Answer: 63 degrees.

Step-by-step explanation:

7x + 4 +5x+3+2x+5=180 degrees

14x+12=180 -12 Degrees

14x / 14 = . 168 /14

x=12

5(12) +3

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Solve the system of equations: 2x + 3y = 4 2x = 7y + 24

Oduvanchick [21]

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Step-by-step explanation:

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3 years ago

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Mamont248 [21]

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3 years ago

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Free_Kalibri [48]

Answer:

a. $\bold{45000\times \:10^7}$
b. $\bold{3500}$

Step-by-step explanation:

a. $\left(5\times \:10^3\right)\left(9\times \:10^7\right)$

$5\times 10^3 = 5000\\\\5000\times \:9\times \:10^7$

$\mathrm{Multiply\:the\:numbers:}\:5000\times \:9=45000$

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b. $\left(7\times 10^5\right)\div \left(2\times 10^2\right)$

$\left(7\times 10^5\right)\div \left(2\times 10^2\right)=\frac{7\times \:10^5}{2\times \:10^2}$

$\frac{10^5}{10^2} = 10^3$

$\frac{7\times \:10^3}{2}$

$\mathrm{Factor}\:\: 10^3 : 2^3\times5^3$

$\frac{7\times \:2^3\times \:5^3}{2}$

$\frac{2^3}{2}=2^2$

$7\times \:2^2\times \:5^3=3500$

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3 years ago

5y+30 5 complete the factoring ...?

krek1111 [17]

Well, I don't really understand if it is 30 or 305 because of the spacing but I'll answer both. If it is 5y+305, just divide the whole equation by 5 and it will look like this (5y+305) then the factor would be 5(y+61)
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If it is 5y+30 it would be just in the same process, Divide the equation by 5 and the result will be 5(y+6).

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3 years ago

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Ksivusya [100]

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3 years ago