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3 years ago

Please I really need help on this question

Mathematics

1 answer:

ZanzabumX [31]3 years ago

6 0

Step-by-step explanation:

hope this will helps you

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What is the probability that the number chosen is greater than 39?

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4 years ago

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An equation is shown below:

julsineya [31]

Answer:

Part A: One | Part B: x = 4

Step-by-step explanation:

$3(2x-7)=3\\6x-21=3\\6x=24\\x=4$

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A motorboat left a harbor and traveled to an island at an average rate of 13 knots. The average speed on the return trip was 10

vlada-n [284]

Answer:

The distance between harbor & the island D = 72.12 km

Step-by-step explanation:

Let the total distance between harbor & island = D

Motor boat going to the island at speed $S_{1}$ = 13 knots = 24 $\frac{km}{hr}$

Return speed of the motorboat $S_{2}$ = 10 knots = 18.52 $\frac{km}{hr}$

The total time taken for both journey = 6.9 hours

$\frac{D}{S_{1} } + \frac{D}{S_{2} } = 6.9$

$\frac{D}{24} + \frac{D}{18.52} = 6.9$

$D (\frac{1}{24} + \frac{1}{18.52} ) = 6.9$

D ( 0.0956 ) = 6.9

⇒ D = 72.12 km

This is the distance between harbor & the island.

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3 years ago

What is the solution to the inequality below? x^2 < 49

Kisachek [45]

Answer:

−7<x<7

Step-by-step explanation:

Let's find the critical points of the inequality:

x2=49

x=±√49(Take square root)

x=7 or x=−7

Check intervals in between critical points. (Test values in the intervals to see if they work.)

x<−7(Doesn't work in original inequality)

−7<x<7(Works in original inequality)

x>7(Doesn't work in original inequality)

Hope this helped :)

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3 years ago

Find the largest prime divisor of the last four digits of your phone number "0106" and explain your process.

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I would also like to know what the answer i for this question.

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4 years ago