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kirill [66]
3 years ago
11

Simplify the expression a^b: 5x^4 y^2 * 3x^6 y^9

Mathematics
1 answer:
tatyana61 [14]3 years ago
4 0

Answer:

3x(3x + 2)

Step-by-step explanation:

(4x2 - 2x) - (-5x2 - 8x)

= 4x2 - 2x + 5x2 + 8x.

= 4x2 + 5x2 - 2x + 8x.

= 9x2 + 6x.

= 3x(3x + 2).

I hope it is right.

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At last week's track meet, Stacy ran 9/12 of a km, Jules ran 4/5 of a km, and Raul ran 3/4 of a mile. Which two students ran the
koban [17]

Answer:  No two students ran same distance

Step-by-step explanation:

Given

Stacy ran \frac{9}{12} of a km i.e.

\Rightarrow 1\times \dfrac{9}{12}=\dfrac{3}{4}=0.75\ km

Jules ran \frac{4}{5} of a km i.e.

\Rightarrow 1\times \dfrac{4}{5}=0.8\ km

Raul ran \frac{3}{4} of mile i.e.

\Rightarrow 1\times \dfrac{3}{4}=0.75\ miles\\\\\text{1 mile=1.6 km}\\\\\Rightarrow 0.75\ miles=1.2\ km

So, no two students ran the same distance.

6 0
3 years ago
The dimensions of a rectangular dining room are 18 feet by 16 feet. If a scale factor of 1/4 is used to make a scale model of th
vivado [14]
Since the dimension of the scale model is fourth of dimensions of the room, divide by 4 the given dimensions.

                  new dimensions:
                              = 18 ft / 4 = 9/2 ft
                               = 16 ft / 4 = 4 ft

The area is calculated by multiplying the dimensions,
                       Area = (9/2 ft)(4 ft) = 18 ft²

Therefore, the area of the scale model is equal to 18 ft². 
5 0
4 years ago
Is it possible for eight employees to earn between $300 and $350 while the ninth earns $1250 per week, and the mean to be $430?
Deffense [45]
According to Google, yes.... any details, I have no idea, but I hope I helped in any way, haha
Good luck~~
4 0
3 years ago
BASEBALL The graph shows the number of home runs hit by Andruw Jones of the Atlanta Braves. Express the relation as a set of ord
erma4kov [3.2K]
The answer for this question is:{(2, 35), (3, 36), (4, 29), (5, 51), (6, 41), (7, 26)} Domain: {'02, '03, '04, '05, '06, '07}Range: {26, 29, 35, 36, 41, 51}which is the last one.The domain is the years Andrew Jones played (02 – 07) and the range is the number of home run hits (26 – 51)
6 0
4 years ago
If m // n, what is m∠1?<br><br> 100°<br> 24°<br> 76°<br> 104°
malfutka [58]

Answer:

76°

Step-by-step explanation:

∠1 and 76° are alternate angles and congruent, hence

∠1 = 76°


3 0
3 years ago
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