3 years ago

Need help with 3, 4, 5, 6, 7, 8, 9, 10, 11, and 12

1 answer:

3 0

Do oz so oz. Top oz so off.

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Marysya12 [62]

Answer:

Approximately $50420$ revolutions (rounded to the nearest whole number.)

Step-by-step explanation:

Convert the diameter of this wheel to meters: $d = 30\; \rm cm = 0.30\; \rm m$ .

Circumference of this wheel:

$\pi \, d = \pi \times 0.30\; \rm m \approx 0.942\; \rm m$ .

Distance travelled in one hour:

$\begin{aligned}v \cdot t &= 13.2 \; \rm m \cdot s^{-1} \times 3600\; \rm s \\ &= 47520\; \rm m\end{aligned}$ .

Number of revolutions required for covering that distance:

$\displaystyle \frac{47520\; \rm m}{(\pi \times 0.30\; \rm m)} \approx 50420$ .

3 0

2 years ago

vovangra [49]

A. first you can translate the lines 4 squares down.

then reflect the figure on th y line.

(attention: the rotation cant be done.)

B. yes they are. although we translated and reflected the figure l, we did not make any kind of change in size

good luck

8 0

2 years ago

coldgirl [10]

See the photo attached above

5 0

3 years ago

RoseWind [281]

164 or sum like that don’t take this as a definite answer cause I am not sure

4 0

3 years ago

kirill [66]

Does x equal 4 ?if it does then a) -100
b) 25

4 0

3 years ago