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salantis [7]
4 years ago
13

At which root does the graph of f(x)=(x+4)^6(x+7)^5 cross the x axis​

Mathematics
1 answer:
jarptica [38.1K]4 years ago
7 0

Answer:

-7.

Step-by-step explanation:

At the point -4 the graph just touches the x axis ( as its an even power) but at x = -7 it crosses the x axis ( because of the odd power 5).

The graph rises from the left and pass through the x axis at  (-7,0).

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The gold bar has a trapezium cross-sectional area.
mario62 [17]

Answer:

Mass of gold bar=13.896

4 0
3 years ago
In a certain state, there are currently 5,902,060 acres of farmland. This area is decreasing at a rate of 4.3% every year. Selec
Luba_88 [7]

Answer:

y=5,902,060*(.957)^t

Step-by-step explanation:

Since the original amount would be decreasing and it's an exponential one, hence the "every year", we can determine that it's an exponential decay equation.

The exponential delay equation is y=A*(1-r)^t. The y is the remaining amount, A is the original amount, r is the rate in decimal form, and t is for years. "1-r" is for decreasing rates and "1+r" is for increasing rates.

First thing we need to do is turn the rate, 4.3%, from a percentage to a decimal. You can do this by moving the decimal two places to the right, which gives you 0.043.

Now plug the numbers into the equation.

y=5,902,060*(1-0.043)^t

Simplify what's inside the parenthesis and get your final equation.

y=5,902,060*(.957)^t

3 0
3 years ago
Which angles are supplementary to eachother
Harman [31]

Answer:

14 and 15

Step-by-step explanation:

6 0
3 years ago
What is the image of F for a dilation with center (0, 0) and a scale factor of 10?
kogti [31]
F = (-3,3)
scale factor of 10

-3 * 10 = -30
3 * 10 = 30

answer : (-30,30)
6 0
3 years ago
Read 2 more answers
1^2 + 4^2 + 7^2 -... - (3n - 2)^2 = n(6n^2 - 3n - 1)/2
Natali [406]

Answer:

1

2

+

4

2

+

7

2

−

.

.

.

−

(

3

−

2

)

2

=

(

6

2

−

3

−

1

)

/

2

Step-by-step explanation:

6 0
3 years ago
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