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3 years ago

9

Please help me with this geometry, you get 10 points

1 answer:

lisov135 [29]3 years ago

7 0

It is 50! Hope this helps.

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A laptop computer is purchased for $2350. After each year, the resale value decreases by 35% . What will the resale value be aft

pentagon [3]

$\qquad \textit{Amount for Exponential Decay} \\\\ A=P(1 - r)^t\qquad \begin{cases} A=\textit{current amount}\\ P=\textit{initial amount}\dotfill &2350\\ r=rate\to 35\%\to \frac{35}{100}\dotfill &0.35\\ t=years\dotfill &4\\ \end{cases} \\\\\\ A=2350(1 - 0.035)^{4}\implies A=2350(0.965)^4\implies A\approx 2037.87$

5 0

2 years ago

Solve the equations.<br> a. 4a^2 = 16<br> b. 5????^2 − 25 = 0<br> c. 8 − c^2 = 5

Vera_Pavlovna [14]

Answer:

$a=\pm 2$ , $x=\pm \sqrt{5}$ and $c=\pm \sqrt{3}$ .

Step-by-step explanation:

Consider the given equations are

a. $4a^2=16$

b. $5x^2-25=0$

c. $8-c^2=5$

(a)

$4a^2=16$

Divide both sides by 4.

$a^2=4$

Taking square root on both sides.

$a=\pm \sqrt{4}$

$a=\pm 2$

(b)

$5x^2-25=0$

Add 25 on both sides.

$5x^2=25$

Divide both sides by 5.

$x^2=5$

Taking square root on both sides.

$x=\pm \sqrt{5}$

(c)

$8-c^2=5$

Subtract 8 from both sides.

$-c^2=-3$

Multiply both sides by -1.

$c^2=3$

Taking square root on both sides.

$c=\pm \sqrt{3}$

5 0

4 years ago

grin007 [14]

based on graph

domain left to right (-2π,2π)

range bottom to top [-2,2]

3 0

4 years ago

Please help! important quiz and my grade isn't very good. (45 pts)

Cerrena [4.2K]

Answer:

e

Step-by-step explanation: temperatures e

Please help! important quiz and my grade isn't very good. (45 pts)

The four pictures are the questions, if you can answer even 1, that helps. Thank you!

4 0

3 years ago

Read 2 more answers

Which part of this graph shows a nonlinear relationship? Depth of water 2 Time O A. 3 OB. 4 O C. 1 D. 2

MrMuchimi

Answer:

Which part of this graph shows a nonlinear relationship? Depth of water 2 3. Time A. 2. B. 1. C. 3. O D. 4. 1

6 0

3 years ago