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Mamont248 [21]
2 years ago
12

40% is NOT equivalent to....? A. 0.4 B.2/5 C.40/100 D. 0.04 E. None correct

Mathematics
2 answers:
tino4ka555 [31]2 years ago
8 0

Answer:

D

Step-by-step explanation:

40% = 40/100 = 0.4 =2/5

GalinKa [24]2 years ago
4 0

Answer: D

A is correct because when you convert 40% into a decimal the results will be .40 or .4

B is correct because 2/5 as a percent is 40%. It's like having 5 questions on a quiz and you get 2 right and 3 wrong. That means your grade is 40%.

C is correct because 40/100 means the decimal will be .4. 40÷100 will equal .4 which means 40/100 is also 40%.

D is incorrect due to the fact when you convert it to a fraction it'll be 4/25. When converting it to a percent the result will be 16%.

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babymother [125]

A. 12

B. 34

C. (x+2)+(x+2)+(5+5)

3 0
2 years ago
Complete the square and graph: 9y²−x − 18y +10=0 ​
Nitella [24]

Answer:

See below ~

Step-by-step explanation:

Completing the square :

  • 9y² - x - 18y + 10 = 0
  • 9y² - 18y + 9 - 9 - x + 10 = 0
  • <u>(3y - 3)² - x + 1 = 0</u>

<u></u>

Graph :

4 0
2 years ago
Read 2 more answers
Y=x^2-5x+11<br> Find vertex form
Marat540 [252]

Answer:

42

Step-by-step explanation:

The answer to life the universe and everything is 42

8 0
2 years ago
What is the answer to this equation <img src="https://tex.z-dn.net/?f=10%5Csqrt%7Bx%7D%2020" id="TexFormula1" title="10\sqrt{x}
AveGali [126]
Factor the expression
Use the properties of radicals
Simplify the roots
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And your solution will be 20 overall 5
Message me if you want me to write it all down!
8 0
3 years ago
Which graph represents the function of f(x) 9x^2 -36 / 3x + 6
Finger [1]

Answer:

The graph in the attached figure

Step-by-step explanation:

we have

f(x)=\frac{9x^{2}-36}{3x+6}

Remember that the denominator cannot be equal to zero

so

The value of x cannot be equal to x=-2

<em>Simplify the numerator</em>

9x^{2}-36=(3x+6)(3x-6) ----> by difference of squares

substitute

f(x)=\frac{(3x+6)(3x-6)}{3x+6}

simplify

f(x)=3x-6

The domain is all real numbers except the value of x=-2

The y-intercept is the point (0,-6) ---> value of y when the value of x is equal to zero)

The x-intercept is the point (2,0) ---> value of x when the value of y is equal to zero)

therefore

The graph in the attached figure

7 0
3 years ago
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