3 years ago

Plz show work i don’t understand

Mathematics

1 answer:

Rasek [7]3 years ago

3 0

Answer:

Srry can't help you buddy it doesn't make cents

Step-by-step explanation:

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O 12 Ms. Ruby has 1 beanbag chair in her room. She lets 4 students take equal turns sitting in the chair during a 38-minute read

My name is Ann [436]

The number of students allowed to sit, N=4.

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Let x be the number of minutes for a student

$\begin{gathered} 4\text{ students-}\longrightarrow38\text{ minutes} \\ 1\text{ student--x} \\ \text{Cross multiplying,} \\ x=\frac{38\text{ minutes}}{4\text{ students}}\times1\text{ students} \\ =\frac{38}{4\text{ }}\text{minutes} \end{gathered}$

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1 year ago

This summer, Nora spent 8 days visiting her aunt and 2 weeks visiting her grandmother. In all, how many days did she spend visit

balandron [24]

Answer:

Step-by-step explanation:

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4 years ago

What is the sum of 12 – 5i and –3 + 4i?<br> –16 + 63i <br>9 – i <br>9 – 9i <br>15 – 9i

Svetach [21]

Answer:

$\boxed{ \bold{ \huge{ \boxed{ \sf{9 - i}}}}}$

Step-by-step explanation:

$\sf{12 - 5i + ( - 3 + 4i)}$

When there is a ( + ) in front of an expression in parentheses, there is no need to change the sign of each term. That means, the expression remains the same. Just remove the parentheses

$\longrightarrow{ \sf{12 - 5i - 3 + 4i}}$