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3 years ago

13

Mr. wireless Costco we’re going to rent a limousine for a trip to the city the limo cost so hard for the night and $0.15 per mil

e they have $750 to spend write an inequality that represents this scenario how many miles can the limo travel

1 answer:

Galina-37 [17]3 years ago

5 0

Answer:

p= 0.15<em>m</em>+750

Step-by-step explanation:

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Steve earns $9.45 less than twice the amount Bill earns. Steve earns $152.55. How much does Bill earn? Write an equation, Use x

Anna11 [10]

Equation
2x-9.45=152.55
x=81

5 0

3 years ago

What is 33 3/1 as a decimal and how do you change it to decimal?

Leto [7]

Decimal: 37

You leave 33 as it is since it is a whole number. Then you divide 3 ÷ 1 because the fraction is $\frac{3}{1}$ . 3 ÷ 1 = 3
33+3 = 37

#7 is your answer.

6 0

3 years ago

The Bay Area Online Institute (BAOI) has set a guideline of 60 hours for the time it should take to complete an independent stud

yarga [219]

Answer:

At the 5% level, BAOI can infer that the average time to complete does not exceeds 60 hours.

Step-by-step explanation:

From the question we are told that

The population mean is $\mu = 60 \ hr$

The sample size is $n = 16$

The sample mean is $\= x = 68 \ hr$

The standard deviation is $\sigma = 20 \ hr$

The null hypothesis is $H_o : \mu = 60$

The alternative $H_a : \mu > 60$

Here we would assume the level of significance of this test to be

$\alpha = 5\% = 0.05$

Next we will obtain the critical value of the level of significance from the normal distribution table, the value is $Z_{0.05} = 1.645$

Generally the test statistics is mathematically represented as

$t = \frac{ \= x - \mu}{ \frac{ \sigma }{\sqrt{n} } }$

substituting values

$t = \frac{ 68 - 60 }{ \frac{ 20 }{\sqrt{16} } }$

$t = 1.6$

Looking at the value of t and $Z_{\alpha }$ we see that $t< Z_{\alpha }$ hence we fail to reject the null hypothesis

This means that there no sufficient evidence to conclude that it takes more than 60 hours to complete the course

So

At the 5% level, BAOI can infer that the average time to complete does not exceeds 60 hours.

6 0

3 years ago

What is the greatest common factor of 63b^2c^4 and 42b^3c^2

Arte-miy333 [17]

Factor out the GCF of

21

b

2

c

2

from

63

b

2

c

4

+

42

b

3

c

2

.

Tap for fewer steps...

Factor out the GCF of

21

b

2

c

2

from each term in the polynomial.

Tap for fewer steps...

Factor out the GCF of

21

b

2

c

2

from the expression

63

b

2

c

4

.

21

b

2

c

2

(

3

c

2

)

+

42

b

3

c

2

Factor out the GCF of

21

b

2

c

2

from the expression

42

b

3

c

2

.

21

b

2

c

2

(

3

c

2

)

+

21

b

2

c

2

(

2

b

)

Since all the terms share a common factor of

21

b

2

c

2

, it can be factored out of each term.

21

b

2

c

2

(

3

c

2

+

2

b

)

The greatest common factor

GCF

is the term in front of the factored expression.

21

b

2

c

2

6 0

3 years ago

Read 2 more answers

The mailman is delivering mail. He delivered 45/100 of the mail in the morning and 2/10 of the mail in the early afternoon. How

Yuri [45]

So when adding fractions you need the same denominator so I chose to make 2/10 into the 100 denominator so you multiply 2/10 by 10/10 and you get 20/100 so you then add 45/100 + 20/100 and you get 65/100

6 0

3 years ago