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likoan [24]
3 years ago
10

Are 1/2-(-2+3/4) and (2-3/4)+1/2 equivalent to eachother?​

Mathematics
1 answer:
maria [59]3 years ago
7 0

No, this is because you are subtracting 1/2 in one and adding 1/2 in the other. This will cause two different outcomes

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Please help asap!! will give brainlist :)
Naddik [55]

Yo sup??

Area of trapezium=1/2*(sum of opposite sides)*(height of trapezium)

=1/2*(12.5+17.5)*6

=1/2*30*6

=90 cm²

Therefore the correct answer is option A

Hope this helps.

8 0
3 years ago
Read 2 more answers
Calculate the average speed between 160 s to 200 s
olga55 [171]

v=(0-150)/(200-160)=-150/40=-3,75Answer:

-3,75

Step-by-step explanation:

Velocity is the derivative of time displacement

The geometric meaning of the derivative-tangent of the angle of inclination of the tangent to the function.

5 0
3 years ago
Find 8 and one third percent of 144
madam [21]
\bf 8\frac{1}{3}\implies \cfrac{8\cdot 3+1}{3}\implies \cfrac{25}{3}
\\\\\\
now\qquad \cfrac{\frac{25}{3}}{100}\implies \cfrac{\frac{25}{3}}{\frac{100}{1}}\implies \cfrac{25}{3}\cdot \cfrac{1}{100}\implies \cfrac{1}{3\cdot 4}\implies \cfrac{1}{12}
\\\\\\
8\frac{1}{3}\%\ of\ 144\implies  \left( \cfrac{\frac{25}{3}}{100} \right)\cdot 144\implies \cfrac{1}{12}\cdot 144\implies \cfrac{144}{12}\implies 12
3 0
3 years ago
In the given diagram, find the values of x, y, and z.
anyanavicka [17]

Answer:

B) x=64, y=21, z=64

Step-by-step explanation:

X=180-116=64

Y cannot equal 115, and one angle is already 95, and that would put it over 180.  The only remaining choice for y=21

z=180-95-21=64

5 0
3 years ago
Consider the equation y = 4.2x and the table below that represents this relationship. X= 0, 2, 4, 6, Y= 0, 8.4, 16.8, 25.2
enyata [817]
Please present the relationship in a table arranged vertically:

<span>this relationship. X= 0, 2, 4, 6, Y= 0, 8.4, 16.8, 25.2   becomes:

</span><span> x        y
---    -----
 0       0
 2      8.4
 4     16.8
 6     25.2

Notice that as x increases by 2 units from 2 to 4, y increases by 8.4 units to 16.8.  Thus, the slope of this line is 
        16.8
m = -------- = 8.4
          4-2

Your problem statement sounds incomplete; what were you asked to do here?

You could compare the equations of the 2 functions:

y = 4.2x and
y = 8.4x 

The slope of the 2nd function is twice that of the first function.  Both graphs go through the origin, (0,0).</span>
7 0
3 years ago
Read 2 more answers
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