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3 years ago

9

Carlos buys a vintage automobile for $7300. He estimates that the value will increase by 3% every year. Estimate the value of th

e automobile in ten years.

1 answer:

My name is Ann [436]3 years ago

5 0

Answer:

8030

Step-by-step explanation:

good luck have a nice day

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What are the solutions of the quadratic equation (x + 3)(x +3) = 49? Ax = -2 and x = -16 Bx = 2 and x = -10 Cx = 4 and x = -10 D

Ivahew [28]

Answer:

4 and -10

Step-by-step explanation:

$\displaystyle (x + 3)(x +3) = 49 \\ x^2+3x+3x+9=49 \\ x^2 +6x+9=49 \\ x^2 + 6x + 9 - 49 = 0 \\x^2+6x-40=0 \\\\ \Delta=b^2-4ac \\ \Delta=6^2-4 \cdot 1 \cdot (-40) \\ \Delta=36+160 \\ \Delta=196 \\ \\ X_{1,2}=\frac{-b \pm \sqrt{\Delta} }{2a} \\ \\ X_1=\frac{-b+\sqrt{\Delta} }{2a} = \frac{-6+14}{2} = \frac{8}{2}=4 \\ \\ X_2=\frac{-b-\sqrt{\Delta} }{2a} = \frac{-6-14}{2}=\frac{-20}{2} = -10$

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3 years ago

Express this number in scientific notation <br><br>96,470,000

11111nata11111 [884]

Answer:

9.647 x 10 to the 7th

Step-by-step explanation:

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Step-by-step explanation:

I think that X2 should be x squared

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Answer:

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Simplify 7x + (x – 4)(x + 5) – 5x.

Llana [10]

7x+(x-4)(X+5)-5x
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