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Xelga [282]
3 years ago
6

Find the first, fourth, and tenth terms of the arithmetic sequence described by the given rule. A (n)=1+(n-1)(-4.1)

Mathematics
1 answer:
djverab [1.8K]3 years ago
8 0
A(1) = 1 + (1-1)(-4.1) = 1

A(1) = 1 + (4-1)(-4.1) = -11.3

A(1) = 1 + (10-1)(-4.1) = -35.9

Answer is D



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Answer:

Since there are two of 112 blocks, it will be 112 ÷ 2

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2 years ago
Line AB is Perpendicular to line BC. A=(-3,2) and C=(2,7). Which of the following could be the coordinates of B? Select all that
Llana [10]

Answer:

The answer would be Choice F; (-3,7)

Step-by-step explanation:

  1. Plot the two guaranteed given points
  2. A, (-3,2) and C, (2,7)
  3. Find the point where the x and y would share and then form a right angle. This is called being Perpendicular.
  4. So, take the <em>x</em> of A, and the <em>y</em> of C and you have the coordinates of B.

(-3,7)

6 0
3 years ago
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Amir says the graph of<br> y= x2 + 16 has -4 as a zero. Is Amir correct?<br> Explain.
sukhopar [10]

Answer:

  • Amir is wrong

Step-by-step explanation:

The function y = x² + 16 is positive for any value of x, hence the graph has no intersection with the x-axis and therefore has no real zero's.

If no zero's, -4 also can't be its zero.

8 0
2 years ago
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7/8 - 1/4 - 1/2= ??
madreJ [45]

Step-by-step explanation:

We can break this up into pieces, first we do, 7/8 - 1/4, find the least common denominator which is 8, so the equation will be 7/8 - 2/8, which we can now subtract and will give us, 5/8, now that we have done that, we can do 5/8 - 1/2. Since we know that half of 8 (our denominator) is 4. Then the equation would be 5/8 - 4/8, which brings us to 1/8 as our final answer.

Cheers!

7 0
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GaryK [48]

Answer:

<20,23>

Step-by-step explanation:

u= <4,5> and v= <0,-1>

2v = 2*<0,-1> = <0,-2>

5u = 5* <4,5> = <20,25>

2v+5u = <0,-2> + <20,25>

            = <20,23>

4 0
2 years ago
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