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Nana76 [90]
3 years ago
8

Find the product of 20x9x5. tell which property you used

Mathematics
1 answer:
alexdok [17]3 years ago
3 0
Your product is 900 and you used associative property
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Simplify the expression<br>7(5+t)-3(t+2)=​
Vaselesa [24]

Answer:

4t + 29

Step-by-step explanation:

7(5 + t) - 3(t + 2)

35 + 7t - 3t - 6

4t + 35 - 6

4t + 29

6 0
3 years ago
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A student says that the graph of the equation y = 3(x + 8) is the same as the graph of y = 3x, only translated upwards by 8 unit
Wittaler [7]

Given:

A student says that the graph of the equation y = 3(x + 8) is the same as the graph of y = 3x, only translated upwards by 8 units.

To find:

Whether the student is correct or not.

Solution:

Initial equation is

y=3x

f(x)=3x

Equation of after transformation is

y=3(x+8)

g(x)=3(x+8)

Now,

g(x)=f(x+8)      ...(i)

The translation is defined as

g(x)=f(x+a)+b        ...(ii)

Where, a is horizontal shift and b is vertical shift.

If a>0, then the graph shifts a units left and if a<0, then the graph shifts a units right.

If b>0, then the graph shifts b units up and if b<0, then the graph shifts b units down.

From (i) and (ii), we get

a=8\text{ and }b=0

Therefore, the graph of y=3x translated left by 8 units. Hence, the student is wrong.

8 0
2 years ago
What is the equation for the translation of x2 + y2 = 16 seven units to the right and five units up?
asambeis [7]

Answer:

  • (x − 7)2 + (y − 5)2 = 16

Step-by-step explanation:

The given circle has equation

\sf \: x^2+y^2=16x

The equation of a circle with center (h,k) and radius r units is

\sf(x-h)^2+(y-k)^2=r^2(x−h)

\sf(x-7)^2+(y-5)^2=4^2(x−7)

\sf(x-7)^2+(y-5)^2=16(x−7)

<h2>❖ Tip❖ :- </h2>

This is the equation that has its center at the origin with radius 4 units.

When this circle is translated seven units to the right and five units up, then the center of the circle will now be at (7,5).

6 0
2 years ago
What is (-i)^5? <br><br> A. 1<br> B. i<br> C. -1<br> D. -i
jenyasd209 [6]

Answer:

I'm pretty sure that it's -i

3 0
3 years ago
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5 points for the whole problem (Sorry it's all I have left)​
Strike441 [17]

Answer: i don't see the problem

Step-by-step explanation:

3 0
2 years ago
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