Help me please I am a idiot who doesn’t get math

Mathematics

1 answer:

lukranit [14]2 years ago

7 0

To calculate the cuboid's volume, use height×width×length which is 11×11×16

For the cylinder's volume, use πr²h. in this case, it is 3.14×4²×9

Add up the two answers you get and that's the solution

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Solve 2x2 + 12x - 14 = 0 by completing the square

vovangra [49]

Answer:

Step-by-step explanation:

$(a+b)^2=a^2+2ab+b^2\qquad(*)\\\\\\2x^2+12x-14=0\qquad\text{divide both sides by 2}\\\\x^2+6x-7=0\qquad\text{add 7 to both sides}\\\\x^2+2(x)(3)=7\qquad\text{add}\ 3^2=9\ \text{to both sides}\\\\\underbrace{x^2+2(x)(3)+3^2}_{(*)}=7+9\\\\(x+3)^2=16\Rightarrow x+3=\pm\sqrt{16}\\\\x+3=-4\ or\ x+3=4\qquad\text{subtract 3 from both sides}\\\\x=-7\ or\ x=1$

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3 years ago

The stock of a particular company skyrocketed 1.550% in a one month period. Write this percent as a decimal and as a mixed numbe

ziro4ka [17]

Decimal 0.0155 mn 31/2000

6 0

2 years ago

Help please urgent !1!1!1!1

allochka39001 [22]

A. 108
B. 72
C. 36
D. 144

M. 63
N. 135
P. 63
R. ?
S. 50
T. ?

I apologize I couldn't see very well where r or t was :(

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3 years ago

Find the total amount and amount of interest paid in the following compound interest problems. $900 at 6%, for 10 years.

Naddik [55]

Your monthly payment would be $9.99 that is your answer to your question.

I hope this is what you are looking for have i nice week

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3 years ago

You work for 4 hours on Saturday and 8 hours on Sunday. You also receive a $50 bonus. You earn $164. How much did you earn per h

masya89 [10]

Answer:

Step-by-step explanation:

To find the hourly rate, we would first need to take the total earnings and subtract the bonus.

$164 - $50 = 114

This gives us the total money earned for hourly work.

Then we need to add the total hours worked: 4 + 8 = 12.

Lastly, we need to take the total money earned and divide it by the total hours worked: 114 / 12 = 9.50 or $9.50 per hour.

The equation could look like:

4h + 8h + $50 = $165

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3 years ago