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solong [7]
3 years ago
11

Natalie earns $19 an hour working as an athletic trainer. This month, Natalie's car broke down and she needs $2,489 for the repa

irs. How many hours must Natalie work to earn enough money to pay for the car repairs?
Mathematics
2 answers:
Advocard [28]3 years ago
6 0

Answer: 131 hours

Step-by-step explanation:

Firlakuza [10]3 years ago
5 0

Answer:

She needs to work 131 hours

Step-by-step explanation:

2,489 divided by 19 = 131

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The owner of a large car dealership believes that the financial crisis decreased the number of customers visiting her dealership
Setler79 [48]

Answer:

H0: μ = 800

Ha: μ < 800

Step-by-step explanation:

The null hypothesis (H0) tries to show that no significant variation exists between variables or that a single variable is no different than its mean. While an alternative Hypothesis (Ha) attempt to prove that a new theory is true rather than the old one. That a variable is significantly different from the mean.

For the case above;

Let μ represent the average number of customers visiting the dealership per day

The null hypothesis is that the average number of customers visiting the dealership per day is equal to 800

H0: μ = 800

The alternative hypothesis is that the average number of customers visiting the dealership per day is less than 800

Ha: μ < 800

3 0
4 years ago
Read 2 more answers
What is 1.799 rounded to the nearest whole number nearest tenth and nearest hundred
Usimov [2.4K]
Nearest whole number-2
nearest tenth-1.8
nearedt hundreth-1.80
7 0
4 years ago
Read 2 more answers
3,893 : 4 Quotient: Remainder: ​
Molodets [167]

Answer:

Step-by-step explanation:

Quotient = 973

Remainder = 1

5 0
3 years ago
On a single roll of two number cubes, what is the probability of rolling doubles given that the sum is 6
dexar [7]

Answer:

1/6

Step-by-step explanation:

We can make a Punnett square to find number of favourable outcome

so

            cube1

         +

cube2    1          2          3        4          5         6

1            2         3           4        5          6        7      

2            3         4           5        6          7         8    

3            4          5         6        7         8         9

4           5          6          7         8         9         10

5         6           7          8         9        10         11

6           7           8          9         10        11         12

The probability of rolling doubles given that the sum is 6

<h3> favourable outcome / number of outcome</h3>

 6 / 36

  1 / 6

6 0
4 years ago
Read 2 more answers
Which of the following sjows the correct key features of the graph?
sammy [17]

Answer:

Step-by-step explanation:

y = x^2 - x - 2 is a quadratic function.  It's easily factorable:  y = (x + 1)(x - 2).  Setting this result equal to zero yields the x-intercepts:  -1 and 2.  This matches the x-intercepts shown on the graph.

The axis of symmetry,  x = -b/(2a), derived from the coefficients 1, -1 and -2 of this particular function, is x = 1/2.  This x = 1/2 is also the x-coordinate of the vertex.  To find the y-coordinate of the vertex, we evaluate y = x^2 - x - 2 at x = 1/2, obtaining:

y = (1/2)^2 - (1/2) - 2, or y = 1/4 - 1/2 - 2, or -2 1/4.  This does not quite agree with the y value (-2) shown in the diagram, but is close.

4 0
3 years ago
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