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3 years ago

What increases faster , f(x)=5x or g(x)=5x

Mathematics

1 answer:

larisa [96]3 years ago

3 0

they are both increasing at the same rate

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4. There are 10 pupils in a class. Half of them are

Vlad1618 [11]

Answer:

hello :)

no quite sure but I think it is:

50/100

4 0

3 years ago

Tammy has scored 82, 78, and 93 on her previous three tests. What score does she need on her next test so that her average (mean

Lyrx [107]

Answer:

She needs a grade of 71 on her next text.

Step-by-step explanation:

Mean of a data-set:

The mean of a data-set is the sum of all values in the data-set divided by the number of values.

Tammy has scored 82, 78, and 93 on her previous three tests.

Thus, her grades are 82, 78, 93 and x, in which x is her grade in the fourth test.

There are 4 tests.

What score does she need on her next test so that her average (mean) is 81?

We have to find x when the mean is 81. So

$\frac{82 + 78 + 93 + x}{4} = 81$

$253 + x = 324$

$x = 324 - 253$

$x = 71$

She needs a grade of 71 on her next text.

5 0

3 years ago

If Maliyah won 25 games and llost 10 what would be the ratio for the games lost to total

Alla [95]

Answer:

10:35

Step-by-step explanation:

4 0

3 years ago

A boat travels 12 km upstream and back in 1 hour 45 minutes. If the speed of the current is 3 km/h throughout, find the speed of

Elza [17]

Answer:

14.3 km/h to 3 significant figures

Step-by-step explanation:

Let time travelling upstream be t1 hours and downstream = t2 hours.

t1 + t2 = 1.75..........................(1)

Let v be the speed of the boat in still water.

12 / t1 = v - 3.........................(2)

12 / t2 = v + 3........................(3)

From (1) and (3) , substituting for t2:-

12 / (1.75 - t1) = v + 3 ..................(4)

Subtract:- (2) - (4):-

12 / t1 - 12 / (1.75 - t1) = -6

12(1 .75 - t1) - 12t1 = -6t1(1.75 - t1)

21 - 12t1 - 12t1 = -10.5t1 + 6t^2

6t1^2 + 13.5t1 - 21 = 0

Solving this gives t1 = 1.058 hours

Therefore the speed in still water (v) = 12/1.058 + 3 = 14.3 to 3 sig figs

3 0

3 years ago

HELP ASAP just the answer please I will give a brainliest

FinnZ [79.3K]

Answer:

C (900)

Step-by-step explanation:

50 for each orchestra

40 for each balcony

600 x 50 = 30000

39000/40 = 975

600+975=1575 not correct

750 x 50=37500

750 x 40 = 30000

not correct

900x50=45000

600x40=24000

correct

7 0

3 years ago

Read 2 more answers