3 years ago

Plz Help!

Mathematics

1 answer:

Volgvan3 years ago

4 0

The stack of cards are 1 inch tall all together taking up 8 inch’s (cubed)or half of the space

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Please help me answer all parts of the question in the photo.

goldenfox [79]

$z_1=4+2i\\z_2=-1+2i\\\overline(z_2)=\sqrt{(-1)^2+(2i)^2}=\sqrt{1-4}=i\sqrt{3}\\ z_1+\overline(z_1)=4+2i+\sqrt{4^2+(2i)^2}=4+2i+\sqrt{16-4}=4+\sqrt{12}+2i\\z_2+\overline(z_2)=-1+2i+\sqrt{(-1)^2+(2i)^2}=-1+2i+\sqrt{1-4}=-1+(2+\sqrt{3})i$

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3 years ago

9(x + 8) + 11(3x + 4)

Sav [38]

Simplify the expression : 42x + 116

Hope this helps!
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3 years ago

What’s is 4C? Help me out

sveticcg [70]

A would be the correct answer hope this helps

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3 years ago

Rita earns $16.00 per hour. If she gets a 3% raise, what will be her new hourly wage?

Vikentia [17]

All percentages can be expressed as fractions or decimals. To find a percentage of a number, we multiply the percentage with the number. In this case:
3/100 * 16/1 = 48/100 = 0.48
Or:
0.03 * 16 = 0.48
Her new hourly wage would be $16.48

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3 years ago

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Help i keep getting it wrong :(

liubo4ka [24]

Answer: 65.4

V = pi r^2 h/3

V = pi (2.5^2) (10/3)

V = pi (6.25) (3.33)

V = 65.4

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3 years ago

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