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Alexandra [31]
3 years ago
12

Marlee drove 60 miles song 2 gallons of gas. whitch is the unit rate in fraction forms?

Mathematics
1 answer:
Orlov [11]3 years ago
5 0

Answer:

the unit rate is 30 miles 1 gallon

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Criterion: Identify IV, DV, and hypotheses and evaluate the null hypothesis for an independent samples t test. Data: Use the inf
Papessa [141]

The table is missing in the question. The table is provided here :

Group 1        Group 2

 34.86            64.14      mean

 21.99            20.46      standard deviation

  7                    7                n

Solution :

a). The IV or independent variable = Group 1

    The DV or the dependent variable = Group 2

b).

  $H_0: \mu_1 = \mu_2$

  $H_a:\mu_1 < \mu_2$

  Therefore,   $t = \frac{\bar x_1 - \bar x_2}{\sqrt{\frac{s_1^2}{n_1}+\frac{S_2^2}{n_2}}}$

$t = \frac{34.86 - 64.14}{\sqrt{\frac{21.99^2}{7}+\frac{20.46^2}{7}}}$

t = -2.579143

Now,   $df = min(n_1 - 1, n_2 - 1)$

           df = 7 - 1

               = 6

Therefore the value of p :

  $=T.DIST(-2.579143,6,TRUE)$

 = 0.020908803

The p value is 0.0209

$p< 0.05$

So we reject the null hypothesis and conclude that $\mu_1 < \mu_2$

7 0
3 years ago
How much did jennie earn if she got $40 for babysitting plus a 15% tip
vazorg [7]

Answer:

$46

Step-by-step explanation:

100% of 40 is 40. 10 percent of 40 is 4. 5% of 40 is 2. 40+4+2=46.

7 0
3 years ago
A landscaper wishes to make a rectangle flower garden that is twice as king as it is wide. Express the area of the garden as a f
Dima020 [189]

Answer:

L = 2w

A = L*W

A = 2w*w

A = 2w^2

Step-by-step explanation:

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3 years ago
Juan is buying tacos for a fiesta for every eight tacos that he buys he pays 8.96 what is the cost per taco
Alexxandr [17]
1.12 per taco is the cost per taco
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4 years ago
Read 2 more answers
Please answer the questions that are attached will give extra points!
faltersainse [42]
Thank you very much and this “question” was very helpful for me.
6 0
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