43 base five to base seven

1 answer:

7 0

First convert to decimal:

$43_5=4\cdot5^1+3\cdot5^0=20+3=23$

Now convert this to base 7:

$\dfrac{23}7=3+\dfrac27$
$\dfrac27=0+\dfrac27$
$\implies23=43_5=32_7$

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Answer:

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3 years ago

If angle adc=134 and adb=5x+4 and bdc=7x-2 what does angle bdc measure

ruslelena [56]

As I've shown on picture that I attached:
∠ADC=∠ADB+∠BDC⇒134=5x+4+7x-2
12x+2=134
12x=132⇒x=132/12
x=11
Angle BDC measure 7x-2=7*11-2⇒∠BDC=75.