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Leya [2.2K]
3 years ago
6

10(n^2+n) -6 (n^2 - 2). simplify the following

Mathematics
1 answer:
Setler [38]3 years ago
3 0

Answer:

4n^2 + 22n

Step-by-step explanation:

10(n^2+n) -6 (n^2 - 2)

10n^2 + 10n - 6n^2 + 12

4n^2 + 22n

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Uma pessoa deseja restaurar seu veículo antigo e para isso deverá contratar serviços mecânico, de funilaria e de autoelétrica. P
Leni [432]

Answer:

CI=P*(1 + R/100)^18

A=(CI + P) = P(1+R/100)^18

13500/P=1(100+R/100)^18

A/P=(100+R/100)^18

A/P=(100+R/100)^18

A=13500$        as (750 * 18)

(13500)/P=(1 +1.15/100)18

(13500)/P=(1+1.15/100)18

13500=((1.0115)^18

P=R$10989.02

Step-by-step explanation:

CI=Compound Interest

A=Amount

P=Principal.

3 0
3 years ago
(4x+2)(3x-7) solve for x and who ever gets it get the brainly crown
bulgar [2K]

The answer is

=12x^2 - 22x - 14


7 0
3 years ago
(awarding brainliest) i’m not that smart pls help.
Alenkasestr [34]

Answer:

4) (2)(4)(3.14) = 25.12 m

5) (12)(3.14) = 37.68 ft

6) (2)(2)(3.14) = 12.56 yd

3 0
2 years ago
Greta read a 900 pages book in 15 days, reading for 5 hours every day. How many pages did she read per hour
allsm [11]
First, let's find how many page's Greta read per day. She read a total of 900 pages across 15 days, so she read:

900 pages / 15 days = 60 pages/day

Now we can find how many pages she read per hour by dividing the 60 pages per day by 5 hours:

60 / 5 = 12 pages/hour

The answer is 12 pages.
8 0
3 years ago
find the area of a circke with a radius of 9 mm. round to the nearest tenth. use 3.15 or 22/7 for Pi.​
GREYUIT [131]

Answer:

254.3 mm^2

Step-by-step explanation:

Area of a circle: A = π*r^2

π (pi) = 3.14

r (radius) = 9 mm

Substitute 3.14 for pi and 9 for radius:

A = π*r^2

A = 3.14*9^2

A = 3.14*81

A = 254.34 mm^2

Round to the nearest tenth:

254.34 ==> 254.3

Therefore, our final answer is 254.3 mm^2

Hope this helps!

6 0
2 years ago
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