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3 years ago

15

a builder needs 1,044 nails to finish a project. if the nails come in packages of 58, how many packages should the builder purch

ase

1 answer:

Natali [406]3 years ago

4 0

9514 1404 393

Answer:

18

Step-by-step explanation:

(1044 nails)/(58 nails/pkg) = 18 pkg

The builder should purchase 18 packages of nails.

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soldier1979 [14.2K]

Answer:

B

Step-by-step explanation:

3x6 is 18 so therefore its B

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3 years ago

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ASAP!! Please help me. I will not accept nonsense answers, but will mark as BRAINLIEST if you answer is correctly with solutions

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Answer:

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Step-by-step explanation:

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3 years ago

A 50-foot tree casts a shadow 9 feet long. The sine of the angle between the ground and the line that connects the tip of the sh

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Answer:

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Step-by-step explanation:

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4 years ago

Select the correct answer from each drop-down menu.if z=pi2[cos(-pi/4)+isin(-pi/4)] =a+bi , in rectangular form, then a= ____ an

Bad White [126]

Answer:

a = 1

b = - 1

Explanation:

To know the values of a and b, we need to solve the following equation:

$z=\sqrt[]{2}\lbrack\cos (\frac{-\pi}{4})+i\sin (\frac{-\pi}{4})\rbrack$

So, replacing cos(-π/4) by √2/2 and sin(-π/4) by -√2/2, we get:

$z=\sqrt[]{2}\cdot(\frac{\sqrt[]{2}}{2}+i\frac{-\sqrt[]{2}}{2})$

Applying the distributive property:

$\begin{gathered} z=\frac{\sqrt[]{2}\cdot\sqrt[]{2}}{2}-\frac{\sqrt[]{2}\cdot\sqrt[]{2}}{2}i \\ z=\frac{2}{2}-\frac{2}{2}i \\ z=1-1i \end{gathered}$

Therefore, we can complete the equation as:

$z=1-1i=a+bi_{}$

It means that a = 1 and b = - 1.

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1 year ago

Which expression is equivalent to (5^-2) (5^-1)<br><br> -1/125<br> -1/5<br> 1/125<br> 1/5

castortr0y [4]

5^(-2)=1/25
5^(-1)=1/5
1/25*1/5=1/125

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3 years ago