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Ivanshal [37]
3 years ago
8

Using point-slope form, write the equation of the line that passes through (2, –1) and has a slope of –5.

Mathematics
1 answer:
erik [133]3 years ago
6 0

Answer: (y+1)=5(x+2)

Step-by-step explanation:

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Part 1.] Does the graph have even symmetry, odd symmetry, or neither?
QveST [7]
Part 1
The graph has even symmetry.  You can see that because it is symmetric with respect to the y-axis.
Functions that have even symmetry have the following property:
f(x)=f(-x)
Part 2
To answer this we can simply check if the property we mentioned earlier holds for this function.
sin(\frac{\pi}{2})\ne sin(-\frac{\pi}{2})
We can see that sine does not have even symmetry. 
In fact, sine function has the following property: 
sin(x)=-sin(x)
This is called odd symetry.
Part 3
Take a look at the function that you attached in the picture. We know that function has even symmetry. 
Reflection over x-axis and <span>180° rotation around the origin would give us -f(x). We would not end up with the same function, so these two are out. 
</span><span>90° rotation around the origin would mean we swapped x <span>and y</span> so that one is out too. R</span><span>eflection over the line y=x is a property of functions that have an odd symmetry.
We are left with reflection around y-axis and, as mentioned before, this is the property of evenly symmetric functions.</span>
4 0
4 years ago
Jossems cell phone cost
krek1111 [17]

Answer:

he can only use 3gbs of data

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Mr. Roboto has bought a can of paint can you use 3/8 of it to paint a bookshelf in use 1/4 of its pink leg and he used some of i
NNADVOKAT [17]

Answer: Fraction of paint used for bird  house = \dfrac14

Step-by-step explanation:

Let quantity of the total paint be 1.

Given:  Fraction of paint to book shelf = \dfrac38

Fraction of Paint to leg = \dfrac14

Fraction of Paint left = \dfrac18

Let x= fraction of paint used for bird house.

Total paint = \dfrac38 +\dfrac 14+\dfrac18+x=1

\Rightarrow\ \dfrac{3+2+1}{8}+x=1\\\\\Rightarrow\ \dfrac{6}{8}+x=1\\\\\Rightarrow\ x=1-\dfrac68\\\\\Rightarrow\ x=\dfrac{2}{8}=\dfrac14

So, Fraction of paint used for bird  house = \dfrac14

7 0
3 years ago
A ship at sea, the Gladstone, spots two other ships, the Norman and the Voyager, and measures the angle between them to be 48°.
OLEGan [10]
Use the sine rule:-

x / sin 48  =  4590 / sin (180-48-55)

x / sin 48 = 4590 / sin 103

x = 4590 * sin 48  / sin 103  =   3500.8 yards to nearest tenth
6 0
3 years ago
Read 2 more answers
Consider this population data set: 4, 6, 7, 11, 12, 18, 26, 23, 14, 31, 22, 12. A random sample of four is drawn from this set:
rosijanka [135]
19 I believe is your answer!
3 0
4 years ago
Read 2 more answers
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