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3 years ago

!!EASY!! look at the picture

Mathematics

1 answer:

MrMuchimi3 years ago

3 0

Answer:what

Step-by-step explanation:

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The nth term of a sequence is given by 2n²+1.Write down the first four terms of the sequence.

ivanzaharov [21]

Answer:

2(1)²−1= 1

2(2)²−1= 7

2(3)²−1= 17

2(4)²−1= 31

2(5)²−1= 49

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5 0

3 years ago

If f(2)=pi+7 then f^-1(pi+7)=?

stepladder [879]

Hello,

$f(2)=\pi + 7\\\\
2=f^{-1}\ o\ f(2)=f^{-1} (f(2))=f^{-1}( \pi + 7 })$

6 0

3 years ago

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What is the additive inverse of t ? *

antiseptic1488 [7]

Answer:

-t

Step-by-step explanation:

Additive inverse of t:

t*-1 = -t

6 0

3 years ago

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Area of a triangle with verticals of (-4,1),(-7,5),(0,1)

Lynna [10]

Answer:

$8 ft^2$

Step-by-step explanation:

I assume that the three points given are the vertices of the triangle. So the three points are:

A (-4,1)

B (-7,5)

C (0,1)

The area of a triangle is given by:

$A=\frac{1}{2}bh$

where b is the base and h is the height.

Here we can take as follows:

- We can take the base to be the side AC, so that its length is equal to the distance between the two points:

$AC=\sqrt{(0-(-4))^2+(1-1)^2}=4$

- The height of the triangle is therefore the perpendicular distance between AC and point B. This is equivalent the difference in the x-coordinate between any point on AC and B, so:

$h=(5-1)=4 ft$

Therefore, the area of the triangle is:

$A=\frac{1}{2}(4)(4)=8 ft^2$

7 0

3 years ago

You have a gross income of $117,151 and are filing your tax return singly. You claim one exemption and can take a deduction of $

Grace [21]

Answer is $10,825 did that test too (C)

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3 years ago

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