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PIT_PIT [208]
3 years ago
11

What is the correct value of f(-1) if f(x) = 2x2 – 3x – 9

Mathematics
2 answers:
schepotkina [342]3 years ago
8 0

I hope this helps! Let me know if I got anything wrong or if you need me to explain it.

Zina [86]3 years ago
4 0

Answer:

-is a 4x ala 2 -3x -9

-or 4x2 -3x1-9x

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Answer ASAP
Talja [164]

Answer:

13 and 27

Step-by-step explanation:

y= x+14

x+y=40

x+ x+14=40

2x+14=40

40-14=26

so, 2x=26

26/2

=13

so, x=13 and

and y equal 40-13

y=27

3 0
2 years ago
Find the area of this composite figure use 3.14 for pi
Vesna [10]

Answer:

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Two sailboats leave the same harbour in different directions. Sailboat 1 travels due north for 10 km. Sailboat 2 travel ahead 60
OlgaM077 [116]

Answer:

I am filipino culture :))

5 0
3 years ago
X+3<8 and 3(x+4)-11<10
kondaur [170]

Answer:

<h3>X<5 and X<3</h3>

Step-by-step explanation:

To solve this problem, first, you have to isolate it on one side of the equation. Remember to solve this problem, isolate x on one side of the equation.

x+3<8 and 3(x+4)-11<10

x+3<8

x+3-3<8-3 (First, subtract 3 from both sides.)

8-3 (Solve.)

8-3=5

x<5

3(x+4)-11<10

3(x+4)-11+11<10+11 (Add 11 from both sides.)

10+11 (Solve.)

10+11=21

3(x+4)<21

3(x+4)/3<21/3 (Next, divide by 3 from both sides.)

21/3 (Solve.)

21/3=7

x+4<7

x+4-4<7-4 (Then, subtract 4 from both sides.)

7-4=3

x<3

The correct answer is x<5 and x<3.

4 0
4 years ago
A watch which was bought for R250, was sold for R375. What was the profit made on the sale? ​
Anika [276]

Answer:

R125 profit was made

Step-by-step explanation:

R375-250=R125

R125+R250=R375

4 0
2 years ago
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