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katrin [286]
3 years ago
13

Evaluate the function f(x) = {1 - 3x} for f (-2).A: 5B: 7C: 6D: 4​

Mathematics
1 answer:
Step2247 [10]3 years ago
4 0

Answer:

f(-2)=(1-3×-2)

f(-2)=1+6

f(-2)=7 ans

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Evaluate the expression (3.2)².​
Ludmilka [50]

Answer:

36

Step-by-step explanation:

3*2=6

6^2=6*6

=36

7 0
3 years ago
Sketch a graph of −3x+y=2
DIA [1.3K]
You can do this by first finding the y intercept which is the point where x = 0

-3(0) + y = 2
so  y intercept is the point (0,2)

Now find the x intercept by putting y = 0

-3x = 2

x = -2/3 

So we have 2 points  (-2/3, 0) and (0,2)  Draw a line through these 2 points and you have the required graph.
6 0
3 years ago
Read 2 more answers
HELP
TiliK225 [7]
I think it’s B I’m not sure about it but I hate wan I gat it wrong.
8 0
3 years ago
Cole ride his bike for 45 miles at a rate if 15 miles per hour. How long did it take him to ride in 40 miles? PLEASE HELP
tatiyna
15x=45
45/15 =3
X=3
45 miles in 3 hours

How long did it take for 40 miles?

15x=40
40/15 = 2.6666667

15 x 2= 30
15 x 2.5 = 37.5
15 x 2.6 = 39
15 x 2.7 = 40.5
1 hour equals 60 mins

Answer:
It took Cole about 2 hours and 6 mins to ride 40 miles.
5 0
4 years ago
Janet and Marjorie want to buy rolls of material to line rectangular drapes for their rooms. The rectangular piece of material o
Nuetrik [128]

Answer:

They need 2 and 1/2 rolls.

Step-by-step explanation:

Area = length x width

A = l x w

A = 20 x 3

A = 60 ft²

If 60 ft² = 1 roll

What about 150 ft² = ?

= (150 x 1) ÷ 60

= 150 ÷ 60

= 2.5

= 2 and 1/2 rolls

4 0
3 years ago
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