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sdas [7]
3 years ago
13

If f(x) = 3x - 1 and g(x) = x + 2, find ( f - g) (x) ?

Mathematics
1 answer:
mylen [45]3 years ago
8 0

(3x-1) - (x+2) = 2x -3

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For the equation, decide if it is always true or never true.<br><br> 2(x + 3) = 5x + 6 − 3x
SCORPION-xisa [38]

Answer:

always true

Step-by-step explanation:

Given

2(x + 3) = 5x + 6 - 3x ← distribute left side

2x + 6 = 2x + 6

Since both sides are equal then any real value of x is a solution.

Thus the equation is always true

3 0
2 years ago
The position d of bicyclist (measured in kilometres) is a linear function of time t (measured in minutes). At time t= 5 minutes,
satela [25.4K]

Answer:

<h2>               21 km    </h2>

Step-by-step explanation:

If the bicyclist travels 7 km for every 5 minutes then it is directly proportional

5 min        7 km

15 min          x

x=\dfrac{15\cdot7}{5}=3\cdot7=21\,km

3 0
3 years ago
What happens when a triangle is dilated using<br> one of the vertices as the center of dilation?
iren2701 [21]

Answer:

When a Triangle is Dilated taking one of the vertices as the center of dilation

There are two Possibility, either Dilation factor will be (0<Dilation factor<1), or greater than 1.

1. When,0< Dilation Factor < 1

Size Of Preimage < Size of Image

2. When Dilation Factor > 1

Size Of Preimage > Size of Image

Step-by-step explanation:

5 0
2 years ago
Door is 77 inches high, 35.25 inches wide and 1,75 inches thick how much paint is needed
Leviafan [203]
If you wanted to paint the entire door (even the top and bottom which people don't usually paint)

the surface area is
SA=2(LW+LH+WH)
where L=length, W=width and H=height

given
L=35.25
W=1.75
H=77

SA=2(35.25*1.75+35.25*77+1.75*77)
SA=2(61.6875+2714.25+134.75)
SA=2(2910.6875)
SA=5821.375

you need enough paint to cover 5821.375 square inches of door
7 0
3 years ago
I am stuck on this question please help me:)
12345 [234]

Answer:

Step-by-step explanation:

the answer is 270

hope this helps

4 0
2 years ago
Read 2 more answers
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