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Ksivusya [100]
3 years ago
7

Simplify the expression (3a^4) (-6a^3) 

Mathematics
2 answers:
stira [4]3 years ago
4 0
The answer is -18a^7
Svetach [21]3 years ago
4 0

Answer:

18<em>a</em>^7

Step-by-step explanation:

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B.$675 and $1,775

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3 years ago
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daser333 [38]

Answer: <u>5.20833333 ,  SUB TO MY YT Tae Combos</u>

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Step-by-step explanation:

7 0
3 years ago
Plz Help ASAP!
Rina8888 [55]
Part A:

From the graph, it seems that the lines intersect at (3,-1)... This seems to be the solution... 


Part B: 
g(x) is a negative line, and the slope is 2 (from rise/run). Y int. = 5. So, the equation is -2x+5. Plug in some numbers for this; say 1 and 2. The coordinates would be (1,3) and (2,1). 

Part C: 
The 2 graphs seem to intersect at (0,5), so this is the solution... 

ALL of this is based on only looking at the graph, which is no better than drawing lines on the sand.. For example, the y intercept for g(x) could be 4.9 or 5.1, and I don't know the equation for f(x)... Based on the info I have,  gave my best answers.. 

Hope this helps.. 
5 0
3 years ago
Please Help!!!!!!!!!!
Natalka [10]

Given : A submarine descends at a rate of 2.6 kilometers per hour.

If the ocean floor is 6.24 kilometers below sea level,

To Find : how long will it take the submarine to descend to the ocean floor?

Solution:

The submarine descends at a rate of 2.6 kilometers per hour.

Speed = 2.6 km/hr

The ocean floor is 6.24 kilometers below sea level,

Distance to be covered = 6.24 km

Time= Distance / Speed

= 6.24 / 2.6

= 2.4 hr

The submarine  will take 2.4 hrs  to  descend to the ocean floor

4 0
2 years ago
a piece of land 120 ft by 240 ft contains a circular garden. surrounding the garden, there is a circular fence that is 20 ft in
damaskus [11]

the area of the piece of land that is not part of the garden is 28,486ft^2 .

<u>Step-by-step explanation:</u>

Here we have , a piece of land 120 ft by 240 ft contains a circular garden. surrounding the garden, there is a circular fence that is 20 ft in diameter.  We need to find what is the area of the piece of land that is not part of the garden . Let's find out:

Let's calculate area of land and circular garden , and in order to find the area of the piece of land that is not part of the garden we will subtract area of circular garden from land !

Area of Land:

Area of land is given by

⇒ length(width)

⇒ 120(240)

⇒ 28,880ft^2

Area of Garden:

Area of circular garden given by

⇒ \pi r^2

⇒ \pi (\frac{D}{2})^2

⇒ \pi (\frac{20}{2})^2

⇒ \pi (10)^2

⇒ 100\pi

⇒ 100(3.14)

⇒ 314ft^2

Hence , the area of the piece of land that is not part of the garden is 28,880-314 = 28,486 . Therefore , the area of the piece of land that is not part of the garden is 28,486ft^2 .

8 0
2 years ago
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