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Yuki888 [10]
3 years ago
14

Solve 3c + 4 = -20 A. -5.3 B. 6 C. 8 D. -8

Mathematics
2 answers:
AlexFokin [52]3 years ago
4 0
D IF YOU SUBTRACT 4 FROM THE OTHER SIDE YOU HAVE -20+-4= -24 THEN YOU DIVIDE -24 BY 3 AND YOU GET -8 AS YOUR ANSWER
seropon [69]3 years ago
3 0

Hi Brainiac


3c+4=-20

3c= -20-4

3c= -24

Divide both sides by 3

3c/3=-24/3

c= -8


I hope that's help:)

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What is the value of the expression 2 + 3^2 * (5 -1)
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Answer:

38

Step-by-step explanation:

We are to solve for the expression;

2 + 3² × (5 - 1)

We should aply BODMAS here!

So starting with the brackets;

2 + 3² × 4

Then solving the multiplication part;

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Finally adding the integers;

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3 years ago
An exterior angle of a regular convex polygon is 40°. What is the number of sides of the polygon?
seraphim [82]

Answer:

option B

Step-by-step explanation:

Sum of interior angles of a polygon with n sides:

                                                                          = (n - 2 )\times 180

Therefore, Each \ interior \  angle = (\frac{n - 2}{n} )\times 180

Sum \  of \  one \  of \  the  \ interior \  angle \  with  \ its  \ exterior \  angle \  is \  180^\circ

                      [ \ because \ straight \ line \ angle = 180^\circ \ ]

That is ,

Exterior \ angle + Interior \ angle = 180^\circ\\\\40^ \circ + (\frac{n-2}{n}) \times 180  = 180^\circ\\\\40 n + 180n - 360 = 180n\\\\40n = 180n - 180n + 360 \\\\40n = 360 \\\\n = 9

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3 years ago
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Murljashka [212]

Answer:

The value of X is more than equal to -1.83.

Step-by-step explanation:

We need to find the correct representation of the inequality 'minus 32X -5 less than 52 minus X'

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Adding X both sides

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-31X-5+5\leq 52+5\\\\-31X\leq 57

Dividing both sides by -31.

X\geq \dfrac{-57}{31}\\\\X\geq  -1.83

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Step-by-step explanation:

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