Answer:
False
Step-by-step explanation:
-(-21) is positive 21 since there are 2 negative signs, and -21 is negative, therefore they are not the same.
Hope this helps!
We have y - 2 = m(x + 5), where m = (-1 - 2)/(10 + 5) = -3/15 = -1/5;
Then y - 2 = (-1/5)(x + 5);
5y - 10 = (-1)(x + 5);
5y - 10 = -x - 5;
x + 5y - 5 = 0 is the equation of the line.
In all these expressions you have a power of a power.
You can solve them simply multiplying the exponents.
Remember that any quantity raised to the zero is equal to 1.
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11) (n^4)^8 = n^(4×8) = n^32
13) (q^10)^10 = q^(10×10) = q^100
15) (x^3)^-5 = x^[3×(-5)] = x^(-15)
17) (z^8)^0z^5 = z^(8×0) z^5 = z^0 z^5 = 1×z^5 = z^5
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19) (c^3)^5(d^3)^0 = c^(3</span>×5) d^(3×0) = c^15 d^0 = c^15×1 = c^15
Answer: im pretty sure its 9
Step-by-step explanation:
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Asnswer:
Step-by-step explanation:
Firstly we calculate length of CB
/CA/^2 = /BA/^2 + /CB/^2
12^2 = 6^2 + /CB/^2
144 = 36 + /CB/^2
/CB/^2 = 144 - 36
/CB/^2 = 108
/CB/ = √108
/CB/ = 10.4cm
Sin55 = (/CB/)/(/CD/)
Sin55 = 10.4/(/CD/)
/CD/ = 10.4/sin55
/CD/ = 12.7cm
