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Umnica [9.8K]
3 years ago
8

Find f(3) if f(x)=-3x-6

Mathematics
1 answer:
Nikitich [7]3 years ago
6 0

Answer:

-3(3)-6=-15

Step-by-step explanation:

You might be interested in
Problem
Stels [109]

Answer:

The maximum speed of Hal's airplane in still air is:

v= 250\ miles/h

The speed of the wind

c = 50\ miles/h

Step-by-step explanation:

Remember that the velocity v equals the distance d between time t.

v=\frac{d}{t}  and t*v=d

The distance that Hal travels when traveling with the wind is:

(2\ hours)(v + c) = 600 miles

Where v is the speed of Hal and c is the wind speed.

The distance when traveling against the wind is:

(3\ hours)(v-c) = 600 miles

Now we solve the first equation for v

(2)(v + c) = 600

2v + 2c = 600

2v= 600-2c

v= 300-c

Now we substitute the value of v in the second equation and solve for c

3((300-c)-c) = 600

3(300-2c) = 600

900-6c = 600

-6c = 600-900

-6c = -300

6c = 300

c = 50\ miles/h

Then:

v= 300-(50)

v= 250\ miles/h

The maximum speed of Hal's airplane in still air is:

v= 250\ miles/h

The speed of the wind

c = 50\ miles/h

7 0
3 years ago
Find three consecutive integers whose sum is 48
mart [117]

Answer:

our numbers should be 15, 16, and 17.

Step-by-step explanation:

n + n+1 + n+2 = 48.

8 0
3 years ago
Tom spent 153 minutes completing a race. He walked 63 minutes and jogged the rest. What is the ratio of time he jogged to time h
ra1l [238]
Subtract 153-63=90 and I am pretty sure that's what you have to do
5 0
3 years ago
Read 2 more answers
Choose one of the factors of x3 − 1331.
Dmitry [639]
Answer A) x-11
Hope this helps!
3 0
3 years ago
Read 2 more answers
Consider the diagram. Lines a and d are?
marta [7]

Answer:

perpendicular

Step-by-step explanation:

They form a 90 degree angle

5 0
2 years ago
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