3 years ago

20pts BRAINLIEST Please help? Data containing two variables is called ___________ ?

Mathematics

2 answers:

MissTica3 years ago

6 0

Bivariate data contains two variables

xeze [42]3 years ago

4 0

Bivariate data is the answer

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He counted 206 wheels and 170 pedals. How many bicycles and tricycles does he have.

noname [10]

Bicycle has 2 wheels and 2 pedals
tricycle has 3 wheels and 2 pedals

EQ 1 : 2b + 2t = 170 pedals

EQ 2: 2b +3t = 206 wheels

subtract EQ 1 from EQ 2

2b +3t = 206 - 2b + 2t = 170 = t=36

there were 36 tricycles

36 x 2 = 72 pedals

170 pedals - 72 = 98 pedals left
98/2 = 49 bicycles

36 Tricycles and 49 bicycles

8 0

3 years ago

The average a of two numbers c and d is equal to half the sum of c and d.

monitta

Answer:

$\frac{c + d}{2} = \frac{c + d}{2}$