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pashok25 [27]
3 years ago
15

I don't get this I NEED HALP PLZZZ!!!!!

Mathematics
2 answers:
Paha777 [63]3 years ago
7 0
5+5+4+4=18 just add the sides up

Alex_Xolod [135]3 years ago
3 0
It is a
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I need the answer this is hard
vlada-n [284]

it takes the robot 32/3 hour(s) to complete one task which in decimal form would be something like 10.6667.

3 0
3 years ago
Find the total amount in the compound interest account.
Evgesh-ka [11]
\bf \qquad \textit{Compounding Continuously Earned Amount}\\\\
A=Pe^{rt}\qquad 
\begin{cases}
A=\textit{accumulated amount}\\
P=\textit{original amount deposited}\to& \$1740\\
r=rate\to 12\%\to \frac{12}{100}\to &0.12\\
t=years\to &5
\end{cases}
\\\\\\
A=1740\cdot e^{0.12\cdot 5}

bear in mind that the continuously compounding interest is just that, a daily compounding cycle, taking a year as 365days.
3 0
3 years ago
Find the value of each variable.
Harrizon [31]

Step-by-step explanation:

b is per the identity of angles on parallel lines when intersected by one inclined line the same as the 40° angle.

so,

b = 40°

due to the parallel nature of the 2 lines there is a symmetry effect for such shapes inscribed a circle. the upper and the lower triangle must be similar. and when applying a vertical line through the central crossing point, everything to the left is mirrored by everything on the right.

so, angle c must be equal to angle b.

c = 40°

and as the sum of all angles in a triangle is always 180°, d is then

d = 180 - 40 - 40 = 100°

the interior angle of the arc angle a is the supplementary angle of d (together they are 180°), because together with d they cover the full down side of the top-left to bottom-right line.

interior angle to a = 180 - 100 = 80°

due to the symmetry again, the arc angle opposite to a is the same as a.

as we know, the interior angle to a pair of opposing arc angles is the mean value of the 2 angles.

so, we have

(a + a)/2 = 80

2a/2 = 80

a = 80°

there might (and actually should) be some more direct approaches for "a" out of the other pieces of information, but that was the most straight one right out of my mind, and I don't spend time on finding additional shortcuts, when I have already a working approach.

8 0
1 year ago
Help !! No work is needed to be shown
o-na [289]

Step-by-step explanation:

By Law of Indices, a^m / a^n = a^(m-n).

Therefore a² / a⁸ = a^(-6).

x = -6.

5 0
3 years ago
Factor completely 49x2 − 81. <br> a. (7x 9)2 <br> b. (7x − 9)2 <br> c. (7x 9)(7x − 9) <br> d. 7x − 9
vredina [299]
Use the property
(a -b)(a+ b) = a^2 - b^2

49x^2 - 81 = (7x + 9)((7x - 9)
3 0
3 years ago
Read 2 more answers
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