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Ann [662]
3 years ago
14

Can someone help me with this question thanks! : )

Mathematics
1 answer:
Alexxx [7]3 years ago
6 0

Answer:

C) x^7-x^6+2x^5-3x^4+4x^3+6x-3

Step-by-step explanation:

x^3+2x-1(x^4-x^3+3)\\x^7-x^6+3x^3+2x^5-2x^4+6x-x^4+x^3-3\\x^7-x^6+2x^5-3x^4+4x^3+6x-3

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does somebody knows how to do this one?
vlada-n [284]

Answer:

Step-by-step explanation:

To find the area subtract the area of the semicircle from the area of the rectangle.

Although the line isn’t there, if you imagine there is one, then you will see that you form a rectangle which is the same line as the semicircle’s diameter.

The area of rectangle is:

⇒ A = lw

⇒ A = (14)(8)

⇒ A = 112cm^{2}

The area of the semicircle;

⇒ A = \frac{1}{2}\pi r^{2}

⇒ A = \frac{1}{2}\pi (7)^{2}

*Note here that the radius is half the diameter, so it is 7cm, not 14cm

⇒ A = 76.97cm^{2}

Finally subtract the two areas;

⇒ A = 112 - 76.97

⇒ A = 35.03cm^{2}

6 0
2 years ago
If the mean of the data set is 35 apples find the number of apples on the Granny Smith tree
alisha [4.7K]

Answer:

N=\frac{\sum x_{i} }{35}

Step-by-step explanation:

Given

  • The mean of the data set is 35 apples.
  • Let's call N the number of apples.

The means is defined as the quotient between the sum of all elements and the total number.

Mathematically, it would be defined as

x=\frac{\sum x_{i} }{N}

But, we know that the mean is equal to 35.

35=\frac{\sum x_{i} }{N}

Then, we solve for N

N=\frac{\sum x_{i} }{35}

As you can see, the total number of apples depends on the sum of all elements of the data set.

For example, if the sum of all elements is 700, the total number of apples would be

N=\frac{700}{35}=200

Therefore, the expression that represents the total number of apples is

N=\frac{\sum x_{i} }{35}

3 0
3 years ago
Read 2 more answers
The number of bags of soybean seeds N that a farmer needs varies jointly as the number of acres a to the planted and the pounds
frozen [14]

Answer:

N= 15000

Step-by-step explanation:

7 0
4 years ago
How do I solve this? <br> Please help, thanks!
lianna [129]
Use Power of a Point; 180-60=120º


7 0
3 years ago
1+1-1=1+1+1+1=1+3,650,000
pishuonlain [190]

Answer:

ok ill answer it 365,000,1

6 0
3 years ago
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