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KIM [24]
2 years ago
9

Please help! i reward brainliest plz no silly answers

Mathematics
2 answers:
FrozenT [24]2 years ago
8 0

Answer:

With 4 times the number of machines, it would take 8 hours

Step-by-step explanation:

mash [69]2 years ago
3 0
8 hours, have a great day. brainliest?
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Please do this question for me, I don’t get it, all it wants you to do is convert.
IgorC [24]

9514 1404 393

Answer:

  $6.80/fortnight

Step-by-step explanation:

You need to know there are 13 weeks in a quarter, and 2 weeks in a fortnight. The conversion is straightforward.

  \dfrac{\$44.20}{\text{quarter}}\times\dfrac{1\text{ quarter}}{13\text{ weeks}}\times\dfrac{2\text{ weeks}}{1\text{ fortnight}}=\dfrac{\$44.20\times2}{13\text{ fortnight}}\\\\=\boxed{\$6.80\text{/fortnight}}

4 0
3 years ago
If the diameter of a circle is 50 yds, the radius is​
netineya [11]

Answer:

r = 25 yds

Step-by-step explanation:

The radius is 1/2 of the diameter

r =1/2d

r =1/2( 50 yds)

r = 25 yds

5 0
3 years ago
Read 2 more answers
I need to find all the angles but i don’t understand plz help
devlian [24]
A = 121, Vertical Angles Theorem
B = 59, Supplementary Angles Theorem
C = 59, Vertical Angles Theorem
D = 55, Alternate Interior Angles Theorem
E = 4, sum of all angles in a triangle is 180
F = 73, sum of all angles in a triangle is 180
G = 73, Alternate Interior Angles Theorem
H = 48, Alternate Interior Angles Theorem
I = 4, Alternate Interior Angles Theorem
3 0
3 years ago
Find the vector reciprocal to set. a= i+2j+2k, b= 2i+3j+k, c= i-j-2k​
inn [45]

Answer:

I just do a' as a sample. You calculate b' and c'

Step-by-step explanation:

a'=\frac{b\times c}{a\bullet (b\times c)}, b' = \frac{c\times a}{a\bullet (b\times c)}, c' = \frac{a\times b}{a\bullet (b\times c)}

Now, calculate b x c

\left[\begin{array}{ccc}i&j&k\\2&3&1\\1&-1&-2\end{array}\right] =

a'=\frac{}{\bullet }=\frac{}{-5}  =

7 0
3 years ago
Combine like terms.<br> 6x2 + 7x + 4x2 – 3x – 3y - 2x + 4x2
Arturiano [62]

Answer:

12x2 +2x -3y

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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