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Inga [223]
3 years ago
6

Which expression gives the distance between the points

Mathematics
1 answer:
Anna35 [415]3 years ago
6 0

Answer:

  D.  √((2 +4)² +(5 -8)²)

Step-by-step explanation:

The distance is found using the formula ...

  d = √((x1 -x2)² +(y1 -y2)²)

Selection D has this formula properly filled in with the values ...

  (x1, y1) = (2, 5)

  (x2, y2) = (-4, 8)

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Find f(-2) for f(x)=3•2^x
8_murik_8 [283]

Answer:

0.75 or 3/4

Step-by-step explanation:

f(-2) = 3•2^-2

f(-2) = 3•0.25

f(-2) = 0.75 or 3/4

Hope this helps! :)

5 0
2 years ago
222.95+865+.07 +3.4 what is the answer
Leokris [45]

Answer:

the answer is:

1,092.05

8 0
3 years ago
Cos (pi/2 -x) = sin x is this true or false?
Ksenya-84 [330]

The above statement is true meaning cos(π/₂-x)=sin(x)

Step-by-step explanation:

We know that sine and cosine function are mutual cofunctions.

Hence this would mean that these two functions are complimentary of each other meaning cos(π/₂-x) = sin(x)

This can be verified mathematically by assuming “x” as 30°

Hence Cos (π/₂-30°) = cos 60°= 0.5 (from trigonometric table values)

Similarly Sin 30°= 0.5 (from trigonometric table values)

This can be proved through using the formula

Cos(A-B)= Cos A.Cos B + Sin A.Sin B

Here A=90° and b=x°

Putting the values we get (it is to be remembered that cos 90°=0 and sin 90°=1)

Cos 90°.cos x+ sin 90.sin x

0+sinx= sinx

Hence it is proved that cos(π/₂-x)=sin(x)

 

7 0
3 years ago
Can someone please help PLEASE ​
Lena [83]
U: -2,-2
B: -5, 0
K: -5, -3
Y: -4, -3

I believe so..
7 0
2 years ago
Identify the equation that represents the data in the table
ella [17]

Answer:

i would say A

Step-by-step explanation:

6 0
3 years ago
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