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Norma-Jean [14]
3 years ago
8

(1 pt) find the area of the parallelogram with vertices (1,2), (3, 7), (4, 8), and (6, 13).

Mathematics
1 answer:
Ymorist [56]3 years ago
6 0
See, pls, one way of decision (attachment).

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30

Step-by-step explanation:

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Simplify 5(x – 2) + 11
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Answer:

5x + 1

Step-by-step explanation:

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2 years ago
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Solve each equation. 0.2x2 + 1.2 = 3.4
Marat540 [252]
0.2x^2+1.2=3.4\ \ \ |-1.2\\\\0.2x^2=2.2\ \ \ |:0.2\\\\x^2=11\to x=\pm\sqrt{11}\\\\\text{Answer:}\ x=-\sqrt{11}\ \vee\ x=\sqrt{11}
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3 years ago
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How many years will it take for the account to reach $18,600? Round your answer to the nearest hundredth
Margarita [4]
 <span>it depends how the interest is calculated, but there's not much of a difference 

assuming its continuously compouned, you use this formula: A(t)=Pe^(rt), where A is the final amount, P is the initial investment, r is the interest, and t is the time in years 

you want to find t such that A(t)=18,600 so 18,600=1000e^(.0675t) 

you need to use logarithm to figure it out, take the natural log of both sides 

the following properties will come into use: 

ln(a*b)=ln(a)+ln(b) 
ln(a^b)=bln(a) 
ln(e)=1 

taking the natural log 

ln(18,600)=ln(1000e^(.0675t)) 

ln(18,600)=ln(1000)+ln(e^.0675t) 

ln(18600)=ln(1000) + .0675t 

now solve for t: t= (ln(18600)-ln(1000))/.0675 

t=43.31</span>
4 0
2 years ago
Give the value of the expression from (a) when x=10<br> (i just need the answer for B)
Masteriza [31]

Answer:

257

General Formulas and Concepts:

Order of Operations: BPEMDAS

Step-by-step explanation:

<u>Step 1: Define</u>

2x² + 5x + 7

x = 10

<u>Step 2: Evaluate</u>

  1. Substitute:                    2(10)² + 5(10) + 7
  2. Exponents:                   2(100) + 5(10) + 7
  3. Multiply:                        200 + 50 + 7
  4. Add:                              250 + 7
  5. Add:                              257
5 0
2 years ago
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