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Eduardwww [97]
3 years ago
9

What should you do first in solving the quadratic equation? x² + 18x + 81 = 25

Mathematics
1 answer:
N76 [4]3 years ago
3 0

Answer:

x= -4,-14

Step-by-step explanation:

Try first to solve the equation by factoring. Be sure that your equation is in standard form before you start your factoring attempt.

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There are 7 girls on a bus. each girl has 7 backpacks. each backpack has 7 big cats. each big cat has 7 little cats. how many le
Vera_Pavlovna [14]
7 girls on a bus, each has two legs. 7 * 2 = 14. 

Each girl has 7 backpacks. So 7 * 7 = 49. 

49 * 7 = 343 cats in total 

343 * 4 = 1,372 cat legs. 

343 * 7 = 2401 small cats 

2401 * 4 = 9,604 cat legs 

14 + 1,372 + 2,401, + 9,604 = 10,990 legs in total
6 0
3 years ago
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Rewrite these expressions using words. 2 1/4 +8/3
ElenaW [278]

Answer:

two and one fourths plus eight thirds

Step-by-step explanation:

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3 years ago
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7. Precious is 5 years older than her brother Jay. Mom is 3 times as old as Precious. The sum of the 3
Naya [18.7K]

Answer:

34

Step-by-step explanation:

7 0
3 years ago
You deposit $3000 in an account with an APR 7.5% and continuous compounding. How much will you have after 20 years?
BartSMP [9]

Answer:

I = $4,500

Step-by-step explanation:

Simple Interest (I) = PRT / 100

Where:

P= Principal (Amount deposited) = $3000

R= Rate = 7.5%

T= Time = 20 years.

Simple Interest (I) = PRT / 100

I = ($3000 * 7.5 * 20) / 100

I = $450,000 / 100

I = $4,500.

8 0
3 years ago
Find the slope of the line. (1, 3) (-2, -3)
never [62]

Answer:

<u>2</u>

Step-by-step explanation:

Formula for slope is Y2-Y1/X2-X1

-3-3/-2-1= -6/-3

-6/-3 is 2

6 0
3 years ago
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