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3 years ago

Solve each equation. Show all steps and work. your answers to four decimal places.

Mathematics

1 answer:

Virty [35]3 years ago

5 0

Answer:

This equation is incorrect. The equation simplifies to -3=4 which is incorrect.

Step-by-step explanation:

3(-3)=-9. 3(2)=6

-9+6=-3

-3=4 FALSE

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Sara wants to keep her phone bill under $40 each month. There is a flat fee of $34 and she is charged $0.05 per text message, t.

alukav5142 [94]

Answer:

320 messages

Step-by-step explanation:

20 messages per dollar,

20 x 16 equals 320

8 0

2 years ago

What Is The scale factor of the dilation? A)-1/2 B)1/2 C)-2 D)2

Vadim26 [7]

Answer:

B) 1/2

Step-by-step explanation:

5 0

3 years ago

Evaluate the expression when x = -4. 5(x – 6) + 3x – 2

SVETLANKA909090 [29]

Answer:

-64

Step-by-step explanation:

5(x – 6) + 3x – 2

Distribute

5x - 30 +3x -2

Combine like terms

8x -32

Let x = -4

8*-4 -32

-32 -32

-64

6 0

3 years ago

Show your work please.

Kruka [31]

Answer:

Tauren has 78 keychains

James has 34 keychains

Marcus has 68 keychains

Yahya has 74 keychains

Step-by-step explanation:

I got this answer by doing this:

If Tauren has 78 keychains then its gonna be left like that.

If everybody else has an average of 68 keychains then divide 68 by 2 to get half of what marcus has which equals 34.

Then add the amount of James and marcus keychains which is 68 plus 34 which equals 102, the subtract the 28 because it says Yayha has 28 fewer keychains and that equals 74.

3 0

3 years ago

Please answer this correctly without making mistakes

LuckyWell [14K]

Answer:

A=63.6 approximately

Step-by-step explanation:

P=14.28

p=1/4(2pi*r)

p=1/2pi*r

14.28=1/2pi*r

28.56=3.14*r

r=9...... approximately

A=1/4pi*r^2

A=0.25*3.14*81

A=63.6......approximately

8 0

3 years ago