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dmitriy555 [2]
3 years ago
13

F(x)=-x^2-9x-7 find f(3)

Mathematics
2 answers:
telo118 [61]3 years ago
6 0

Answer:

-25

Step-by-step explanation:

RUDIKE [14]3 years ago
4 0

Answer:

f(3) = - 25

Step-by-step explanation:

f(x) = x²  - 9x - 7

f(3) = 3² - 9 * 3 - 7

     = 9 - 27 - 7

     = -25

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An electronic store makes a profit of 25$ for every portable DVD player sold and $55 for every DVD recorder sold. The managers t
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I believe it should be d
5 0
4 years ago
Solve, using the correct order of<br> operations, when x = 7 and y = 3<br> (x – 3) + 2y
sweet [91]

Answer:

10

Step-by-step explanation:

<em>Since it given that:</em>

<em>x = 7 and y = 3</em>

<em>We can substitute x and y:</em>

<em>(7-3) + 2(3)</em>

<em>7 - 3 = 4</em>

<em>4 + 2(3)</em>

<em>2(3) = 6</em>

<em>4 + 6 =10</em>

<em>Thus the answer is 10.</em>

<em />

<em>[RevyBreeze]</em>

<em />

8 0
2 years ago
Read 2 more answers
Please read where it states “point S is in between points R and T” thank you
Orlov [11]

Answer:

RS: 26

ST: 40

Step-by-step explanation:

RS + ST = RT

3x - 16 + 4x - 8 = 60

3x + 4x - 16 - 8 = 60

7x - 24 + 24 = 60 + 24

7x = 84

7x / 7 = 84 / 7

x = 12

---------------------------------------

RS

3x - 16

3 (12) - 16

36 - 16

20

---------------------------------------

ST

4x - 8

4 (12) - 8

48 - 8

40

----------------------------------------

RS + ST = RT

20 + 40 = RT

60 = RT

4 0
3 years ago
Whats the area of this
Fantom [35]
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7 0
3 years ago
If you are paid $5.50/hour for mowing yards, and you take 1 3 3 hours to mow a yard, how much money are you owed
mamaluj [8]
The correct question is
<span>If you are paid $5.50/hour for mowing yards, and you take 3 1/3 hours to mow a yard, how much money are you owed
see the attached figure

we know that
3 1/3 hours-----> (3*3+1)/3----> 10/3 hours
Multiply </span>$5.50/hour by (10/3) hour
so
5.5*10/3----> $18.33

the answer is
$18.33

6 0
3 years ago
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