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SVETLANKA909090 [29]
3 years ago
9

What is 19 squared ??????

Mathematics
2 answers:
postnew [5]3 years ago
5 0

Answer:

361

Step-by-step explanation:

mixas84 [53]3 years ago
4 0

Answer:

361

Step-by-step explanation:

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Paul has $145 in his savings account. He earns $36 a week mowing lawns. If Paul saves all of his earnings, after how many weeks
Lemur [1.5K]

Answer:

Paul will have no more than $ 450 in next 8 weeks.

Step-by-step explanation:

From the information given on statement, we know that Paul saves all of his earnings weekly. Then, the money save is equal to the sum of initial amount (C_{o}), measured in monetary units, and week earning (R), measured in monetary units, multiplied by a number of weeks (n), dimensionless:

C =C_{o} + n\cdot R (1)

Now we clear the number of weeks within the formula:

n = \frac{C-C_{o}}{R}

If we know that C_{o} = \$\,145, C = \$\,450 and R = \$\,36, then the number of weeks is:

n = \frac{\$\,450-\$\,145}{\$\,36}

n = 8.472

Paul will have no more than $ 450 in next 8 weeks.

8 0
3 years ago
Read 2 more answers
5 - 3(-2) + |-3| please explain
Natalija [7]

Answer:

14

Step-by-step explanation:

=5+6+|-3|

=11+|-3|

=11+(-√3^2)

=11+3

=14

7 0
3 years ago
Let a = 2i + 3, b= i – 1, and c= -3i + 2. Which expression is equivalent to a -b- c?A. –2i +4B. 4i + 2C. 4i + 4D. -2i + 2
34kurt

Given:

\begin{gathered} a=2i+3 \\ b=i-1 \\ c=-3i+2 \end{gathered}

You know that:

a-b-c=(2i+3)-(i-1)-(-3i+2)

In order to solve the operation, you can follow these steps:

1. Distribute the negative signs. Remember the Sign Rules for Multiplication:

\begin{gathered} +\cdot+=+ \\ -\cdot-=+ \\ +\cdot-=- \\ -\cdot+=- \end{gathered}

Then:

=2i+3-i+1+3i-2

2. Combine the like terms (add the Real Parts and add the Imaginary Parts):

=4i+2

Hence, the answer is: Option B.

3 0
2 years ago
<img src="https://tex.z-dn.net/?f=%28fog%29%28%20-%205%29" id="TexFormula1" title="(fog)( - 5)" alt="(fog)( - 5)" align="absmidd
Xelga [282]
That should be the answer

8 0
3 years ago
The expression 3 1/2x+18 represents the perimeter of the rectangle shown. Write an expression that represents the length of the
egoroff_w [7]

Answer:the answer  is a

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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