3 years ago

What percentage of a dollar is the value of 1 nickel and 3 pennies?

Mathematics

1 answer:

yaroslaw [1]3 years ago

8 0

Answer:

50%

Step-by-step explanation:

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(2.7 x 10 to the power of 4) (3.5 x 10 to the power of 3)

AveGali [126]

Answer:

Step-by-step explanation:

(2.7)(10)

=27

27^4=531441

-------------------------------

(3.5)(10)

=35

35^3=42875

7 0

3 years ago

I need some help please What's |5| + |–7|?

luda_lava [24]

Answer:

<h3>hello there!</h3>

$\left|5\right|+\left|-7\right|$

$rule =a,\:a\ge 0$

$|5|=5$

$\mathrm{Apply\:absolute\:rule}:\quad \left|-a\right|=a$

$\left|-7\right|=7$

$5+7=$

$12$

hope this helps you..

5 0

3 years ago

Help please!!! can you show me how to do this??

IrinaK [193]

$\frac{3x - 2}{x^{2} - 2x - 3} - \frac{1}{x - 3} = \frac{3x -2}{(x + 1)(x - 3)} - \frac{1}{x - 3} = \frac{3x - 2}{(x + 1)(x - 3)} - \frac{1(x + 1)}{(x + 1)(x - 3)} = \frac{3x - 2}{(x + 1)(x - 3)} - \frac{x + 1}{(x + 1)(x - 3)} = \frac{2x - 3}{(x + 1)(x - 3)}$

5 0

3 years ago

Simplify.<br> [72/(-9)]/(-1/3)

Nutka1998 [239]

Answer:

Step-by-step explanation:

(72/-9) / (-1/3)

72/-9) x (-3/1)

(72)*(-3) = - 216/ -9

= 24

4 0

3 years ago

The following triangles are similar. True or False.

monitta

Answer:

It would be true

4 0

2 years ago