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Ronch [10]
3 years ago
10

9+7r>r–3≥7r+3

Mathematics
1 answer:
Ymorist [56]3 years ago
6 0
I just answered this one

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TIMED TEST PLEASE HELP ME!!!!
s2008m [1.1K]

Answer:

16 cm^2

Step-by-step explanation:

Hope this helps

6 0
3 years ago
Given f(x)=2x+3 find x=9 show your work
Allushta [10]

Answer:

f(9) =21

Step-by-step explanation:

I will assume you want to find f(9) when x=9

Let x=9

f(9) = 2(9) +3

    = 18+3

     =21

f(9) =21

7 0
3 years ago
Help please!!!!!!!!!
Alenkasestr [34]

Answer:

B. x^{2} - 4x - 5

Step-by-step explanation:

(p о n) (x) is the same thing as (p(n(x))

We know n(x) = x - 5, so let's input that into our expression

(p(x - 5))

Since we know p(x) = x^2 + 6x, let's replace the x with the new value x-5. Now our expression is:

p(x) = (x - 5)^2 + 6(x - 5)

Now all we have to do is simplify.

(x - 5)^2 is the same as:  (x - 5)(x - 5)

Using the foil method, it simplifies to:  x^2 - 10x + 25

6 (x - 5) = 6x - 30

Now our expression is:  x^2 - 10x + 25 + 6x - 30

Combine like terms:  x^2 - 4x - 5

The expression is: x^{2} - 4x - 5

5 0
3 years ago
EASY EXTRA POINTS HELP ASAP
Shkiper50 [21]

Answer:

(1,-1)

Step-by-step explanation:

The intersection of the two lines

5 0
3 years ago
Read 2 more answers
PLEASEEEEE HELP WITH THIS??!!!!<br><br> According to the diagram, what is the altitude?
snow_tiger [21]
X^2 + 400^2 = 500^2
solve for x.
x^2=25,000-16,000
x^2= 9,000
x=
x =  \sqrt{9000}
x= 94.86m
5 0
3 years ago
Read 2 more answers
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