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alekssr [168]
3 years ago
9

SOLVE STEP BY STEP !!!! answer correctly please !! Will mark brainliest !!!!!!!!!!!!!!

Mathematics
1 answer:
Mnenie [13.5K]3 years ago
8 0

Step-by-step explanation:

(3X-20)+(3X+5)=111(( SINCE 111 IS TOTAL ANGLE

6X-15=111

6X=126

X=21

EFG=3×21-20

=63-20=43

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deff fn [24]

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8 0
3 years ago
Chosse the replacement for x that makes the equation a true statement.
natita [175]

Answer:

x=-8

Step-by-step explanation:

16x+35 = -93

subtract 35 from each side

16x = -93 -35

16x = -128

divide each side by 16

x = -128/16

x=-8


8 0
3 years ago
Read 2 more answers
Scientists discover two planets orbiting a distant star. The average distance from the star to Planet A is 4 AU, and it takes 43
Kitty [74]

Answer:

Option C - 9 AU

Step-by-step explanation:

To find : What is the average distance from Planet B to the star?

Solution :

According to kepler's law,

The squares of the sidereal periods (of revolution) of the planets are directly proportional to the cubes of their mean distances from the Sun.

i.e. P^2\propto S^3

We have given,

The average distance from the star to Planet A is S_1=4 AU.

It takes 432 Earth days for Planet A to orbit the star i.e. P_1=432

It takes 1,460 days for Planet B to complete an orbit i.e.  P_2=1460

Substitute the values in (\frac{P_1}{P_2})^2=(\frac{S_1}{S_2})^3

(\frac{432}{1460})^2=(\frac{4}{S_2})^3

0.0875=(\frac{4}{S_2})^3

Taking root cube both side,

\sqrt[3]{0.0875}=\frac{4}{S_2}

0.444=\frac{4}{S_2}

S_2=\frac{4}{0.444}

S_2=9.00

The average distance from Planet B to the star is 9 AU.

Therefore, Option C is correct.

5 0
3 years ago
If an electric hair dryer uses 2,400 j of energy in 2s, what is its power?
AnnyKZ [126]
4800 j ya que lo valoras por segundos no por minutos y lo vas a sumar una vez con la misma cantidad que te dio

7 0
3 years ago
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What is 10,716 / 456
BigorU [14]

Answer:  It is 23.5

Step-by-step explanation:

10,716 divided by 456 is = 23.5

5 0
4 years ago
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