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vaieri [72.5K]
3 years ago
9

What is (2x^2+6x-3) added to (2x^3-3x+2)?

Mathematics
2 answers:
Bas_tet [7]3 years ago
8 0
2x² + 6x - 3 + 2x³ - 3x + 2

Combine like terms

2x³ + 2x² + 6x - 3x - 3 + 2

Final answer:
2x³ + 2x² + 3x - 1
aleksklad [387]3 years ago
6 0
2x^3 + 2x^2 + 3x - 1   would be result 


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Find the percent of increase from 40 gallons to 89 gallons. Round to the nearest tenth of a percent if necessary.
fredd [130]

Solution

- 89 gallons contains 40 gallons twice such that:

89=40+40+9

- This means that we can find at least 200% of 40 gallons in 89 gallons. This gives us what to expect.

- To get the percentage we are looking for, we should use the formula:

\frac{\text{new}}{\text{old}}\times100\text{ \%}

New, in this case, is 89 gallons, Old is 40 gallons.

- Thus, we can calculate the percentage as follows:

\begin{gathered} \frac{89}{40}\times100 \\ =2.225\times100 \\ =222.5\text{ \%} \end{gathered}

Thus, the answer is 222.5%

8 0
1 year ago
mr ogata drove 276 mies from his house to los angeles at an average speed of 62 miles per hour. how long did it take him to get
Ilia_Sergeevich [38]
About 5 hours. I did this by dividing and rounding 276 by 62. Hope this helps!
4 0
3 years ago
In Δ,∠=70°,∠=50° ∠ . <br> ℎ ∠.
AveGali [126]

Answer:

100°

Step-by-step explanation:

A triangle is a polygon shape with three sides. Triangles are of different types such as obtuse, scalene, equilateral, isosceles etc.

In triangle ABC:

70° + 50° + ∠C = 180° (sum of angles in a triangle)

120 + ∠C = 180

∠C = 180 - 120

∠C = 60°

Since ∠C is bisected into ∠ACD and ∠BCD, hence:

∠ACD = ∠BCD = ∠C / 2

∠ACD = ∠BCD = 60 / 2

∠ACD = ∠BCD = 30°

In triangle ACD:

∠A + ∠ACD + ∠ADC = 180° (sum of angles in a triangle)

50 + 30 + ∠ADC = 180

∠ADC + 80 = 180

∠ADC = 100°

6 0
3 years ago
How many more poodles did ava observe than bulldogs?
Andreas93 [3]
You need to put the Answers and picture/problem before asking someone to answer it.
8 0
4 years ago
Problem:<br><br> 3 divided 5= 3/5<br><br> ——— x ——— = ———
grin007 [14]

Answer:

3=1/5

Step-by-step explanation:

hope this helps :) have a nice day :)

3 0
3 years ago
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