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OleMash [197]
3 years ago
14

If f(x) = 2x – 3 and g(x) = 4x + 5, what is (f • g)(x)?

Mathematics
2 answers:
lorasvet [3.4K]3 years ago
6 0

Answer:

Place the f(x) expression 2x-3 into the x in the g(x) expression 4x+5, so it will be 4(2x-3)+5; you can expand it out if you want

Alchen [17]3 years ago
3 0

Answer:

if you mean f(x)×g(x)

the answer will be like that

(2x-3)×(4x+5)=8x²+10x-12x-15=8x²-2x-15

and if you mean f(g(x)) the answer will be like that

f(4x+5)=2×(4x+5)-3=8x+7

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13. Danny is in science class and is given a square block of metal with
jenyasd209 [6]

Answer: 336g.

Step-by-step explanation:

the formula for density is mass divided by volume (m/v). In this problem, you mus first find the volume of the square block. The formula for volume is length multiplied by width multiplied by height (LxWxH). To solve for volume you plug in the values to the equation: 6x4x2 = 48.

Now, you have the volume, and you have the density. Now you need to solve for mass. Plug in the values you have into the density equation (d=m/v):

7=m/48

to isolate M, multiply each side by 48. this leaves you with 7x48 = m. now all thats left is to solve. 7x48 = 336g. You can double check by plugging the values back into the equation. 336/48 = 7.

5 0
4 years ago
24. Use the intercepts to graph the equation.
romanna [79]

Answer:

See below ~

Step-by-step explanation:

<u>Finding x-intercept</u>

  • Take y = 0
  • 2x - 5(0) = 10
  • 2x = 10
  • x = 5
  • x-intercept is at (5, 0)

<u>Finding y-intercept</u>

  • Take x = 0
  • 2(0) - 5y = 10
  • -5y = 10
  • y = -2
  • y-intercept is at (0, -2)

<u>Graph (with points marked)</u>

5 0
2 years ago
Read 2 more answers
Corresponding solution for 3x-3(x+1)=3 plzzz answer quickly ​
Gekata [30.6K]
3x - 3(x + 1) = 3 \\ = > - 3(x + 1) = 3 - 3x \\ = > - 3(x + 1) = - 3(1 + x) \\

Hence,

x is cutting each other in this equation.

So, x can be of any value.i.e.,infinite.

Hope this will help you. 

If you like my answer. Please mark it as brainliest  And  Be my follower if possible.
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3 years ago
Find the equation of the line with Slope = 3 and passing through (4, 10) .
liraira [26]

Answer:

Step-by-step explanation:

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3 years ago
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The perimeter of a square is 26.46 inches. what is the side length of the square?
ser-zykov [4K]
Because to find the perimeter of a shape you have to add all the sides together so you would take 26.46 and divide it by 4 (since squares have 4 sides) to get 6.165
6 0
3 years ago
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