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Zanzabum
3 years ago
5

Find the sum and Express it in simplest form. (u^3+3u^2+3) + (-6u^3-8u^2)

Mathematics
1 answer:
Nady [450]3 years ago
5 0

Answer:

-5u^3 - 5u^2  + 3.

Step-by-step explanation:

(u^3 + 3u^2 + 3) + (-6u^3 - 8u^2)

= u^3 + 3u^2 + 3 - 6u^3 - 8u^2

= u^3  - 6u^3 + 3u^2 - 8u^2 + 3

= -5u^3 - 5u^2  + 3.

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Geometry help with number 18!
lora16 [44]
BE is parallel to CD, therefore, m∠BEC=m∠ECD, therefore mBC=mDE
BE is the diameter, so Arc BE is 180 degree
mBC+mCD+mDE=180
replace mCD with 3mBC, and replace mDE with mBC: mBC+3mBC+mBC=180
5mBC=180
mBC=180/5=36
mCD=3mBC=3*36=108
the inscirbed angle m∠ECD= the measure of arc DE=36
4 0
3 years ago
Jada has 126 blue marbles and 135 yellow marbles. She packages them in bags of 8 marbles each. She divides the total number of m
FrozenT [24]

Answer:

Jada has 5 marbles left after filling 32 bags.

Step-by-step explanation:

Jada has 126 blue marbles and 135 yellow marbles

Total Marbles=126+135=261

She divides by 8: 261/8=32\frac{5}{8} i.e. 32 Remainder 5 marbles.

The correct interpretation is Jada has 5 marbles left after filling 32 bags.

3 0
3 years ago
A company has decreased the weight of its boxes of macaroni by 7%. If the new weight of the box is 13.5 ounces, what was the ori
igor_vitrenko [27]
8%=0.08 and 100%=1 (100% represents the original weight in percentaje)
If x is the weight you can express: 1x-0.08x=15.1
solve for x: 0.92x=15.1
x= 15.1/0.92=16.1
The original weight was 16.41 ounces
5 0
2 years ago
PLZ HELPP!! ITS ALMOST DUE!!! ILL MARK BRAINLIEST!!
Viktor [21]

Answer:

y= 1/2x + 6

Step-by-step explanation:

i hope that helps, I'm pretty sure that's what it is

7 0
2 years ago
Read 2 more answers
In the first quadrant you start at 4,6 then u move 6 units right and 5 units up
lisov135 [29]

Answer:

10, 11

Step-by-step explanation:

4 plus 6 = 10

6 plus 5 = 11

6 0
3 years ago
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