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snow_lady [41]
3 years ago
9

Find the midpoint of the line segment joining the two points. (1.8, -3.4) and (-0.4, 1.4)

Mathematics
1 answer:
murzikaleks [220]3 years ago
5 0

Answer:

(0.7, -1)

Step-by-step explanation:

To find the coordinates for the midpoint you add each coordinate together and divide by 2.

M = (\frac{1.8 - 0.4}{2},  \frac{-3.4 + 1.4}{2})

M = (\frac{1.4}{2}, \frac{-2}{2})

M = (0.7, -1)

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What is the period function of f(x)=1/2tan (2x+5)
soldi70 [24.7K]

Compare your f(x)=1/2tan (2x+5) to

g(x)=a*tan (bx + c).


Note how b = 2.


The period of the given tangent function is pi/b, which here is pi/2, or 90 degrees. Multiplying x by 2 horizontallyl compresses the graph of tan x by a factor of 1/2.

6 0
3 years ago
What is the image point of (8, 4) after a translation left 2 units and down 4 units?
tino4ka555 [31]

Answer:

(6, 0 )

Step-by-step explanation:

A translation to the left means subtract 2 from the x- coordinate

A translation down means subtract 4 from the y- coordinate

Then

(8, 4 ) → (8 - 2, 4 - 4 ) → (6, 0 )

5 0
2 years ago
Read 2 more answers
-3 + (-8)<br> how can i do this
murzikaleks [220]

Answer: -11

Step-by-step explanation:

+(-8) can be simplified to -8 because when you multiply a positive sign by a negative sign, the outcome is a negative sign. So your problem is -3-8= and the answer is -11 because when two numbers with the same sign are subtracted/added by each other, the numbers just get added and the sign stays the same. If you're still confused, use a number line. Hope this helps!

6 0
2 years ago
Which expressions are algebraically equivalent to the correct usage of the distance formula to find the distance from point A(3,
egoroff_w [7]

Answer:

(5)

Step-by-step explanation:

The given two points are:

A(3,k) and B(h,4)

Now, using the distance formula that is=\sqrt{(y_{2}-y_{1})^{2}+(x_{2}-x_{1})^{2}}.

In the given points, y_{2}=4,y_{1}=k,x_{2}=h and x_{1}=3, thus,

\sqrt{(y_{2}-y_{1})^{2}+(x_{2}-x_{1})^{2}}=\sqrt{(4-k)^{2}+(h-3)^{2}}

which is the required equation, hence option 5 is correct.

8 0
3 years ago
Read 2 more answers
Write an equation for a line that passes through (-4,8) and 8,-1
KatRina [158]
Slope is change in y over change in x.

Change in y is -9
Change in x is +12

So -9/12 or -2/3

Answer -2/3
5 0
3 years ago
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