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Salsk061 [2.6K]
3 years ago
12

How do you solve 7x-2=x²-10? Can you show the steps please :)

Mathematics
1 answer:
nekit [7.7K]3 years ago
8 0

Answer: x=−1 or x=8

Step-by-step explanation: 7x−2=x2−10

Learn how to solve quadratic equations

Khan Academy Video: Solving a quadratic by factoring

Khan Academy Video: Quadratic Formula 1

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In the first year this client may depreciate 14.29 percent what is the equivalent decimal
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Step-by-step explanation:


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A. 2 in <br> B. 4 in <br> C. 8 in <br> D. 16 in
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Read 2 more answers
What is the area shaded in the region?
solong [7]

Answer:

Option C

The Area Of Shaded Region is 50.2 cm²

Step-by-step explanation:

For A given Circle,

<u>For</u><u> </u><u>Small</u><u> </u><u>(</u><u>Non-Shaded</u><u>)</u><u> </u><u>Circle</u><u>:</u>

Diameter (d) = 6 cm

Radius = d ÷ 2 = 6/2 = 3 cm

For Area of Small (Non-Shaded) Circle

<h3><u>Formula</u><u>:</u></h3>

<u>A = πr²</u>

A = 3.14 × (3)² cm

A = 3.14 × 9 cm

A = 28.26 cm²

<u>For </u><u>A</u><u>r</u><u>e</u><u>a</u><u> </u><u>of</u><u> </u><u>Big</u><u> (</u><u>S</u><u>haded) Circle:</u>

Diameter (d) = 10 cm

Radius = d ÷ 2 = 10/2 = 5 cm

For Area of Small (Non-Shaded) Circle

<h3><u>Formula:</u></h3>

<u>A = πr²</u>

A = 3.14 × (5)² cm

A = 3.14 × 25 cm

A = 78.5 cm²

<u>For</u><u> </u><u>The</u><u> </u><u>Area</u><u> </u><u>Of</u><u> </u><u>Shaded</u><u> </u><u>Region</u>

Area of Big Circle - Area of Small Circle

78.5 cm² - 28.26 cm² = 50.24 cm²

Thus, The Area Of Shaded Region is

50.2 cm²

<u>-TheUnknownScientist</u>

4 0
3 years ago
Read 2 more answers
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