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3 years ago

Hellllpppppppppppppp

Mathematics

1 answer:

alexandr402 [8]3 years ago

6 0

It should be 54 because height times width

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Which functions are the same as their inverse functions

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Answer:

what functions?

Step-by-step explanation:

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4 years ago

Help!!!

Serhud [2]

Answer:

your answer would be 2 and 1/5 :) hope this helps

Step-by-step explanation:

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2 years ago

Find the standard deviation for the set of data {27, 14, 7, 21, 19, 23, 26, 30, 4}

antoniya [11.8K]

4 , 7 , 14 , 19 , 21 , 23 , 23 , 26 , 27 , 30

Step-by-step explanation:

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2 years ago

Jane and sali cycled along the same 63 km route.

Alina [70]

Answer:

Sali's speed was 18.75 km/h.

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

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.......

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

Thus, the speed of Sali was 18.75 km/h.

8 0

3 years ago

3 freshmen and 2 sophomores from a sorority will attend a conference. If the sorority has 12 freshmen and 9 sophomores, in how m

padilas [110]

Answer:

7920

Step-by-step explanation:

12C3 × 9C2

= 220×36

= 7920

3 0

3 years ago

Read 2 more answers