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zalisa [80]
3 years ago
14

*pic attached* can someone please help me with this

Mathematics
1 answer:
rodikova [14]3 years ago
8 0
I took that test too and the answer is b
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Umm whats y2 when y is -9 and whats z2 when z is 0.7 im not that smart so ill be asking alot
Dmitry_Shevchenko [17]

Answer:

Step-by-step explanation:

y = - 9

y^2 = (-9)^2 = 81

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svet-max [94.6K]

Answer:

m=\frac{1}{2}

Step-by-step explanation:

defition of  slope(m) of a line:

m=\frac{Y_b-Y_a}{X_b-X_a}

A=(-1,-5)=(Xa,Ya)  then Xa= -1 and Ya= -5

B=(3,-3)=(Xb,Yb) then  Xb=3 and Yb= -3

m=\frac{-3-(-5)}{3-(-1)} \\\\m=\frac{-3+5}{3+1} \\\\m=\frac{2}{4} \\\\m=\frac{1}{2}

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2 years ago
An Open rectangular tank of length 18 cm and breadth 16 cm contains water to a depth of 13 cm. The water is poured into a cylind
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Answer:

Step-by-step explanation

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