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klio [65]
3 years ago
15

What is the x in 4x+20?

Mathematics
2 answers:
Galina-37 [17]3 years ago
5 0

Answer:

the answer is 5 because if you divide it its your answer

vovikov84 [41]3 years ago
3 0

Answer:

x=-5

Step-by-step explanation:

Set " 4x+20" equal to 0 (4x+20=0)

Do the opposite operation of 20 (in this case is subtraction) and subtract 20 from both sides (4x+20-20=0-20).

You'll be left with 4x=-20.

Divide both sides by 4 (4x/4=-20/4).

4 divided 4 equals x.

-20 divided by 4 equals -5.

x=-5.

Hope this was helpful.

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The number of dogs compared to the number of cats owned by the residents of an apartment complex is represented by the model bel
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Consider the given density curve. A curve starts at (0, 0), curves up to maximum point (3, question mark), and then decreases do
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4 0
3 years ago
Suppose the invertible function φ(x) has the domain (−5,11) and the range (−12,1).
Rom4ik [11]

Answer:

Range of \phi^{-1} is (−5,11).

Step-by-step explanation:

Given the invertible function Ф(x) which has the domain (−5,11) and the range (−12,1).

Invertible function is the function that inverses another function i.e if y=Ф(x) then x=g(y) where g is called the inverse of Ф and denoted by\phi^{-1}

Given Ф(x) the function whose domain is (−5,11) and range is (−12,1). Therefore, by definition of invertible function there exist a function g with domain (−12,1) and range (−5,11) which is called the inverse function denoted by \phi^{-1}

Hence, Range of \phi^{-1} is (−5,11)



3 0
3 years ago
Read 2 more answers
Will mark brainliest if fast
marshall27 [118]

Sector area can be found with the formula A = \frac{\theta}{360} \pi r ^2 where \theta is the central angle.

r = 8m , \theta = 135º

A = \frac{135}{360} \pi (8) m^2

Arc length formula is s = 2\pi r (\frac{\theta}{360} )\\

s = 2\pi (8)(\frac{135}{360} )\\ m

4 0
3 years ago
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