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____ [38]
3 years ago
7

F(t) = p2 + 6r f(r) -4 -3 -2 -1

Mathematics
2 answers:
Basile [38]3 years ago
5 0
The answer to this is -4
d1i1m1o1n [39]3 years ago
4 0

f=  p2−10

over −6r2+t

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When Famke charges her phone, it gains 2 percentage points each minute. When Frmke uses her phone, it loses 5 percentage points
kkurt [141]
If t is the amount of time she used it, then it lost t*(5/min) percentage points; then she charged it for 2t, so it gained (2t)*(2/min) =t*(4/min) percentage points.
This means that above this time period, the phone lost t*(5/min)-t*(4/min) =t*(1/min) percentage points; because this loss is recognized to be 10 percentage points, this means t*(1/min) =10, so t=10 min.
This means that she used her phone for 10 minutes and charged it for 20 minutes.
6 0
3 years ago
What is the ratio of rise to run between the points (3,4) and (-2,0)?
Mila [183]
Ratio of rise can also mean the slope so let's find the slope given the two points.

slope formula;
m = y2 - y1/ x2 - x1     (3, 4), (-2, 0)                (x1, y1), (x2, y2)
 
m = 0 - 4/ -2 - 3
m = -4/-5
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3 0
3 years ago
A student can type 2/3 of a page in 1/5 hour. how many pages can the student type in an hour.
professor190 [17]

Here is your answer

3 \frac{1}{3} pages

REASON:

[CONCEPT USED: <u>Unitary method</u>]

Number of pages typed by student in 1/5 hour = 2/3

No. of pages typed by the student in 1 hour= \frac{2/3}{1/5}

= \frac{2}{3}×5

= 10/3

=

3\frac{1}{3}

So number of pages written in 1 hour are

3 pages and 1/3 of a page

HOPE IT IS USEFUL

8 0
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Aleksandr [31]

Answer:

See below.

Step-by-step explanation:

Composition of the functions is sometimes commutative.

Under certain circumstances, they can be the same. However, most of the time, they are not commutative.

For instance, if we have f(x)=x^2 and g(x)=x^3, then:

f(g(x))=(x^3)^2=x^6\text{ and}\\g(f(x))=(x^2)^3=x^6

Most of the time, however, this won't work.

Edit: Added an example.

8 0
3 years ago
Read 2 more answers
Write this phrase as an expression: a number d multiplied by 3
Zielflug [23.3K]

Answer:

id k :)

Step-by-step explanation:

8 0
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