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PSYCHO15rus [73]
3 years ago
9

Expand the expression by distributing -2(-4x-7)

Mathematics
2 answers:
vova2212 [387]3 years ago
6 0
-2(-4x-7)
Answer:
8x+14
WITCHER [35]3 years ago
6 0

Answer:

8x+14

Step-by-step explanation:

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dezoksy [38]
   (4-3n-5n2)

+( -2+n-3n2)
____________________
    -2-2n-8n2

8 0
3 years ago
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Graph g is a translation of the graph of y= sin x (dashed line).a) write down the equation of g b) write down the coordinates of
labwork [276]

Answer:

<em>a)  </em>G(x)= \sin x + 2<em />

<em>b) The coordinates of P are</em>

<em />\displaystyle \left( \frac{3\pi}{2},1\right)

Step-by-step explanation:

<u>Translation</u>

The dashed line shows the graph of the function

y = \sin x

This function has a maximum value of 1, a minimum value of -1, and a center value of 0.

a)

Graph G shows the same function but translated by 2 units up, thus the equation of G is:

\boxed{G(x)= \sin x + 2}

b) The coordinates of P correspond to the value of

x = \frac{3\pi}{2}

The value of G is

\displaystyle G(\frac{3\pi}{2})= \sin \frac{3\pi}{2} + 2

Since

\sin \frac{3\pi}{2}=-1

\displaystyle G(\frac{3\pi}{2})= -1+ 2=1

The coordinates of P are

\displaystyle \left( \frac{3\pi}{2},1\right)

8 0
3 years ago
A triangle has a perimeter of 31. The longest side is equal to 12. The difference of the other two is 3. What is length of the s
xenn [34]

Answer:

8

Step-by-step explanation:

The perimeter is the sum of the 3 sides of the triangle.

let the other 2 sides be x and x - 3 , then

12 + x + x - 3 = 31

2x + 9 = 31 ( subtract 9 from both sides )

2x = 22 ( divide both sides by 2 )

x = 11 and x - 3 = 11 - 3 = 8

The 3 sides are 12, 11, 8

with shortest side 8

3 0
2 years ago
A line passes the points (1,7) and (0,3)what is the equation in the slope intercept form ​
Katen [24]

Answer:

y = 4x+ 3

Step-by-step explanation:

3 0
3 years ago
Which system of equations does this graph represent?
tensa zangetsu [6.8K]
You just need to list the equations of the two graphs.

y=x^2 + 2
y=x+4
6 0
3 years ago
Read 2 more answers
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