#3 need help asap will give brainly

Mathematics

1 answer:

qaws [65]2 years ago

3 0

total surface area Stot = 688 mm2

lateral surface area Slat = 324 mm2

top surface area Stop = 182 mm2

bottom surface area Sbot = 182 mm2

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A distribution in which the frequency is either constantly increasing or constantly decreasing is called a(n):________

BlackZzzverrR [31]

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Step-by-step explanation:

5 0

3 years ago

Jane and sali cycled along the same 63 km route.

Alina [70]

Answer:

<em>Sali's speed was 18.75 km/h.</em>

Step-by-step explanation:

Jane took 3.5 hours to cycle the 63 km.

As, $Speed= \frac{Distance}{Time}$ , so the speed of Jane will be: $\frac{63}{3.5} km/h = 18 km/h$

Suppose, the speed of Sali is $x$ km/h

Sali caught up with Jane when they had both cycled 30 km.

So, <u>the time required for Jane to cycle 30 km</u> $= \frac{30}{18}=\frac{5}{3} hours$ and <u>the time required for Sali to cycle 30 km</u> $=\frac{30}{x} hours$

Given that, Sali started to cycle 4 minutes or $(\frac{4}{60}) or (\frac{1}{15}) hours$ after Jane started to cycle. So, the equation will be.......

$\frac{5}{3}-\frac{30}{x}= \frac{1}{15}\\ \\ \frac{30}{x}= \frac{5}{3}-\frac{1}{15}\\ \\ \frac{30}{x}= \frac{24}{15}\\ \\ 24x=450\\ \\ x= \frac{450}{24}= 18.75$