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vfiekz [6]
3 years ago
5

Which statement shows the associative property of addition?

Mathematics
2 answers:
AleksAgata [21]3 years ago
8 0
The associative property of addition is shown in equations where the order in which the evaluation is made does not change the result, providing the numbers remain in the same order.  Option B demonstrates this.

agasfer [191]3 years ago
3 0

Answer:

(u + 7) + 13 = u + (7 + 13)

Step-by-step explanation:

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What is the simplified form of √45
MariettaO [177]

Answer:

3√5

Step-by-step explanation:

The largest perfect square of the factors of 45 is 9. We can therefore convert √45 like this:

√9 × 5

Next, we separate the numbers inside the √ as such:

√9 × √5

√9 is a perfect square that equals 3. We can therefore put 3 outside the radical and get the final answer to square root of 45 in simplest radical form as follows:

3√5

7 0
3 years ago
Use the graph to estimate the solution to the system of equations shown.
Finger [1]
<h3>Answer:  D. x= -5 1/2, y= -3 1/4</h3>

==============================================================

Explanation:

The solution occurs where the two lines intersect. From this intersection point, draw a vertical line upward until you reach the x axis. We arrive somewhere between -5 and -6. A good estimate is to say that we're at the midpoint, so x = -5 & 1/2 is one possible estimate

Since only choice D has this x value, this must mean choice D is the answer. The y coordinate of y = -3 & 1/4 seems to fit as well since we can draw a horizontal line from the point of intersection to the y axis, and arrive somewhere just a little below -3.

6 0
3 years ago
What is the nth derivative of sin^3x?
Vladimir79 [104]
Using the chain rule.

<span><span>sin^3</span>(x) = [sin(x)<span>]^3

</span></span><span><span>d/<span>dx</span></span>[sin(x)<span>]^3</span>∗<span>d/<span>dx</span></span>[sin(x)]

</span>d/dx sinx = cosx 
d/dx<span> cosx = -sinx </span>
d/dx<span> (-sinx) = -cosx </span>
d/dx <span>(-cosx) = sinx
back to where we started from!!! </span>
So,
repeat repeat repeat !!
5 0
3 years ago
What is the area of the triangle given below?<br> ???
anygoal [31]

Answer:

104.5

Step-by-step explanation:

do 19x11 then the product you get from that you need to divide by two since it's a triangle.

7 0
3 years ago
PLEASE HELP THIS IS DUE TODAY AND I HAVE NO IDEA WHAT THE ANSWER IS!!!!!!
aniked [119]

Answer:

s X s - formula for area of square.

where two faces meet - Edge

Flat pattern of a 3d shape - Net

Shape with 3 or more sides - Polygon

6 0
3 years ago
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