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sp2606 [1]
3 years ago
7

The work that Yi did to find the greatest common factor of 42 and 63

Mathematics
1 answer:
Lilit [14]3 years ago
7 0

Answer:

21

Step-by-step explanation:

factors of 42: 1,42, 2,<u>21</u>, 3,14, 6,7

factors of 63: 1,63, 3,<u>21</u>, 7,9

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Solve the proportion.<br> 1<br> 4<br> Z/20
DedPeter [7]

Answer:

1/4=z/20. This deals with adding, subtracting and finding the least common multiple. Overview; Steps; Topics Terms and topics;

6 0
2 years ago
A(R+T)=W solve for T
Leni [432]
A(R+T)=W
(A×R)+(A×T)=W
AR+AT=W
-AR from both sides
AT=W-AR
divide both sides by A
T=(W-AR)/A
6 0
3 years ago
What is the zero in the quadratic function f(x)= 9x^2-54x-19?
Alex17521 [72]

Answer:

6.33... and 0.333...

Step-by-step explanation:

The quadratic formula is


x=\frac{-b+\sqrt{b^2-4ac} }{2a}.


It is important because while some quadratics are factorable and can be solved not all are. The formula will solve all quadratic equations and can also give both real and imaginary solutions.  Using the formula will require less work than finding the factors if factorable. We will substitute a=9, b=-54 and c=-19.

x=\frac{-b+/-\sqrt{b^2-4ac} }{2a}\\x=\frac{-(-54)+/-\sqrt{(-54)^2-4(9)(-19)} }{2(9)}\\x=\frac{54+/-\sqrt{2916+684} }{18}

We will now solve for the plus and the minus.

The plus,,,

x=\frac{54+\sqrt{3600}}{18}\\x=\frac{54+60}{18}\\x=\frac{114}{18}\\x=6.3

and the minus...

x=\frac{54-\sqrt{3600}}{18}\\x=\frac{54-60}{18}\\x=\frac{-6}{18}\\x=-0.333...

8 0
3 years ago
3 - 6k + 9g - 11 + 7g<br>(Distribute it with like terms and stuff)​
AURORKA [14]

Answer:

-6k+16g-8

Step-by-step explanation:

simplify

6 0
2 years ago
Help me out please !?
Korolek [52]
21in.
1/2*base*height=area of a triangle
Side^4=square area
Square+Triangle(4)=total
Square=9      Triangle=3
4 0
3 years ago
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