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Darina [25.2K]
2 years ago
5

Rob is saving to buy a new MP3 player. For every $16 he earns babysitting, he saves $6. On Saturday, Rob earned $64 babysitting.

How much money did he save?
Mathematics
1 answer:
Gnesinka [82]2 years ago
3 0

Answer:

$24

Step-by-step explanation:

64/16 = 4

4x6 = 24

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_______ samples are used to ensure representation from different types of subgroups in a population.
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Answer:

d

Step-by-step explanation:

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2 years ago
(1+k)^​1/k<br>assume ​​^1/k=n​​
antiseptic1488 [7]

Answer:

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Step-by-step explanation:

8 0
3 years ago
If you roll a fair six-sided die and a fair four-sided die, what is the probability that neither die shows a 1?
elena-s [515]
Answer in fraction form: 5/8
Answer in decimal form: 0.625

==============================================

Explanation:

There are 5 sides that aren't labeled "1" out of 6 total. So the probability of not rolling a "1" on the six-sided die is 5/6

Similarly, there are 3 sides that aren't labeled "1" out of 4 sides on the four-sided die. The probability of not rolling a "1" for this die is 3/4

Multiply the fractions
(5/6)*(3/4) = (5*3)/(6*4) = 15/24 = 5/8

The answer in fraction form is 5/8 which converts to 0.625 (use long division or a calculator)

Note: the multiplication of probabilities works because the two events (of rolling each die) are independent
3 0
3 years ago
Which of the quadratic functions has the narrowest graph?
charle [14.2K]

Answer:

y=\frac{1}{8}x^2

Step-by-step explanation:

A quadratic function has the formula ax² + bx + c

  • To determine if a graph will be narrow or wide, the leading coefficient, a, will be the factor that determines this
  • The greater the coefficient, the narrower the parabola
  • The lesser the coefficient, the wider the parabola

Here all of the functions are in the form ax²

  • In y=\frac{1}{8}x^{2}, our "a" term is \frac{1}{8}
  • In y = -2x², our "a" term is -2
  • In y = -3x², our "a" term is -3
  • In y=\frac{1}{3}x^{2}, our "a" term is \frac{1}{3}

We can eliminate the two functions with the negative coefficients because they are much smaller than the two functions with the fractions as coefficients, and will therefore open much wider.

We can now compare the two remaining functions, y=\frac{1}{8}x^2 and  y=\frac{1}{3}x^2

  • Giving the two fractions common denominators would turn them into y = \frac{3}{24}x^2 and y=\frac{8}{24} x^2
  • The equation with the larger fraction will be the parabola that is the narrowest. In this case, it is the y=\frac{8}{24} x^2.
  • Therefore, y=\frac{1}{8}x^2 will have the narrowest graph
7 0
3 years ago
Can y’all help me on question 31?!
Zarrin [17]

Answer:

D

Step-by-step explanation:

X < -1 means "X could be anything less than -1."

However, the number line only has selected the numbers greater than 1. That is why it does not represent the equation. Hope this helps :)

7 0
3 years ago
Read 2 more answers
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