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salantis [7]
2 years ago
12

F(x) = 3x/x+7, what is the domain?

Mathematics
1 answer:
artcher [175]2 years ago
6 0

Answer:

All real numbers except x=-7

Step-by-step explanation:

Since x=-7 is a discontinuity in the rational function, this makes the denominator equal to 0.

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Solve for x. 4x + 5 = 20<br> a X = 5/4<br> b X = 15/4<br> c X = 3.5<br> d X = 15/3
Nonamiya [84]

Step-by-step explanation:

  • 4x+5= 20
  • 4x=20-5
  • 4x= 15
  • x= 15/4

therefore the answer is option

b) X= 15/4

<h2>mark me as brilliest and follow me first.....</h2>
4 0
3 years ago
The lengths of two sides of a triangle are 7.8 cm and 5.6 cm. Between what two measures should the length of the third side fall
zloy xaker [14]

Hello! To draw a triangle, first, we have to follow a condition of existence.

This rule is:

• one of the sides must be ,bigger, ,than the absolute value, of the ,difference between the other two, sides

• the unknown side must be ,smaller ,than the ,sum of the other, two sides.

Let's write these rules using a, b, and c for the sides:

Considering a = 7.8 and b = 5.6:

[tex]\begin{gathered} |a-b|So, the third side must be smaller than 13.4 and bigger than 2.2.

8 0
1 year ago
What percentage is 11 of 88
Vera_Pavlovna [14]

Answer:

The answer is: 12.5%

Step-by-step explanation:

Divide 11 by 88. Multiply the result by 100 to get percent.

11/88 = 0.125

0.125 x 100 = 12.5%

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6 0
3 years ago
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Find the equation of a line given that you know points it passes through
3 0
3 years ago
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How do i solve 1/4 (x+3)-4x&lt;3 (1+x) ... its suppose to be a greater than or equal to sign
sdas [7]
First, multiply 1/4 by x+3 ⇒(1/4x+3/4). Next, multiply 3 by 1+x ⇒(3+3x). The equation should now look like this: 1/4x+3/4-4x≤3+3x. The next thing you have to do is get all of the x's on one side of the symbol. Subtract 1/4x from both sides, and the equation then looks like this: 3/4-4x≤3+2 3/4x. Add the -4x to both sides, and the equation should look like this: 3/4≤3+6 3/4x. Next, you have to move the 3 to the left side. To do that, subtract it from both sides. The equation then look like this: -2 1/4≤6 3/4x. Then, to get the x alone, you need to divide the coefficient (6 3/4) by -2 1/4, which equals -1/3 or -0.3 repeating. So, -1/3≤x
7 0
4 years ago
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