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svlad2 [7]
3 years ago
8

Is y=x^3 one to one?

Mathematics
2 answers:
satela [25.4K]3 years ago
5 0

Answer: Yes

Step-by-step explanation:

Scilla [17]3 years ago
4 0

Answer:

Its graph is a parabola, and many horizontal lines cut the parabola twice. The function f(x)=x 3, on the other hand, IS one-to-one. If two real numbers have the same cube, they are equal. The horizontal line test is also easy to apply.

Step-by-step explanation:

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Emily receives her paycheck for the month. She spends 1/6 of it on food. She then spends 3/5 of what remains on her house paymen
alekssr [168]

Answer:

  • $ 900

Explanation:

Translate every word sentence into an algebraic operation or expression to find and solve an equation:

1) Name the variable:

  • Let x be <em>Emily's original take-home pay: </em>x

2) <em>She spends 1/6 of it on food</em> means:

  • spending: 1/6 of x = (1/6)x = x/6

  • remaining: x - x/6 = (6x - x) / 6 = 5x/6

3) <em>She then spends 3/5 of what remains on her house payment. </em>

  • spending: 3/5 of 5x/6 = (3/5) . (5x/6) = 3x/6 = x/2

  • remaining: 5x/6 - x/2 = (5x - 3x)/6 = 2x/6 = x/3

4) <em>She spends 1/3 of what is then left for her other bills. </em>

  • spending: 1/3 of x/3 = (1/3) . (x/3) = x/9

  • remaining: x/3 - x/9 = (3x - x)/9 = 2x/9

5) <em>Finally, she spends 1/4 of the remaining money for entertainment:</em>

  • spending: 1/4 of 2x/9 = (1/4) . (2x/9) = 2x/36 = x/18

  • remaining: 2x/9 - x/18= (4x - x)/18 = 3x/18 = x/6

<em>6) This activity leaves her with $150:</em>

  • x/6 = 150

Solve for x:

  • Multiply both sides by 6: x = 900.

Answer: Her original take - home pay was $ 900

5 0
3 years ago
How much simple interest is earned on $4,000 in 3 1/2 years at an interest rate of 5.2%?
AveGali [126]

Answer:

$728

Step-by-step explanation:

The formula for simple interest is I = PRT, where I = interest earned/paid, P = principal amount deposited or borrowed, R = rate of interest as a decimal, and T = time in years.

I = PRT

I = (4000)(0.052)(3.5)

I = 728

4 0
3 years ago
Read 2 more answers
PLZ HELP ASAP
Ludmilka [50]

Answer:

5

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Almost 9 over 16 of the total water supplied to a household is used for taking showers. Determine the decimal equivalent of 9 ov
NeX [460]

Answer:9/16 equals to 0.5625 so it terminates.

16 doesn't go into 9 so 0. Add a zero so 16 goes into 90 5 times and it equals to 80 so subtract 80 from 90 which equals 10.  Add another zero since 16 cant go into ten and 16 goes into 100 6 times and it equals to 96 so 100-96 equals 4. Sixteen cant go into 4 so add a zero which makes it 40. 16 goes into 40 2 times and it equals to 32 so 40-32=8. Add a zero to the eight and 16 goes into 80 5 times and etc etc.

3 0
3 years ago
Given a=10 and B=150° in Triangle ABC, determine the values of b for which A has
andreyandreev [35.5K]

Answer:

B

Step-by-step explanation:

bexauae I did the quiz

7 0
3 years ago
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