3 years ago

Please help me with these two questions

Mathematics

1 answer:

cluponka [151]3 years ago

7 0

Answer:

the gradient is the same= 4

the y intecept is different, one is positive 1 and the other is negative 3

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Mark has a checking account. His opening balance on 1/7 was $110. The bank charges a 25¢ fee for each debit card transaction and

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110+30-(15+0.25)+40-(8+0.25)=156.5

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3 years ago

What is a reciprocal?

prohojiy [21]

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A coordinator will select 6 songs from a list of 9 songs to compose an event's musical entertainment lineup. How many different

g100num [7]

Answer:

84 different lineups are possible

Step-by-step explanation:

The order in which the songs are chosen is not important. So we use the combinations formula to solve this question.

Combinations formula:

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

In this question:

6 musics from a set of 9. So

$C_{9,6} = \frac{9!}{6!(9-6)!} = 84$

84 different lineups are possible

4 0

3 years ago

Jose left the white house and drove toward the recycling plant at an average of 40km/h. Rob left some time later driving in the

tiny-mole [99]

I would think it would be 200km before rob caught up with him?

6 0

4 years ago

I need help with this simplification-

astra-53 [7]

Answer:

1.31

Step-by-step explanation:

= $\frac{64}{56}$ ^2 x $\frac{1}{2.92}$ ^3 x 2.48

= 1.31 x 0.40 x 2.48

= 0.524 x 2.48

= 1.31

Answer was verified and rounded

7 0

3 years ago