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Alla [95]
3 years ago
7

I need help plsssss​

Mathematics
2 answers:
Pavel [41]3 years ago
7 0
Missing exponent is 3
Yuliya22 [10]3 years ago
5 0

Answer:

the missing exponent is 3

Step-by-step explanation:

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Sarah Jane, the crew artist, has a fancy 360- degree camera. She can walk at a rate of 2 miles per hour when carrying it. How lo
Mrrafil [7]

Answer:

1 hour and 30 minutes.

Step-by-step explanation:

While carrying her fancy 360-degree camera, a crew artist Sarah Jane can walk at a rate of 2 miles per hour.

We are asked to determine the time required by Sarah to walk to a place that is 3 miles away from her.

Since Sarah can walk at a rate of 2 miles per hour.

Hence, she walks 3 miles in \frac{3}{2} hours i.e. 1 hour and 30 minutes.  (Answer)

{Here we have used the unitary method assuming that Sarah walks at a constant rate}

5 0
3 years ago
Jordan missed 7 out of 13 test questions. How is this written as a ratio
sladkih [1.3K]

Answer:

7:13

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Suppose you do an analysis of the starting salaries of 100 recent Lehman graduates. You find that the average starting salary is
madreJ [45]

Answer:

a) (59180,60820)

b) (59020,60980)        

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = $60,000

Standard Deviation, σ = $5,000

Sample size, n = 100

a) 90% critical values

\mu \pm z_{critical}\frac{\sigma}{\sqrt{n}}

Putting the values, we get,

z_{critical}\text{ at}~\alpha_{0.10} = 1.64

60000 \pm 1.64(\frac{5000}{\sqrt{100}} ) = 60000 \pm 820 = (59180,60820)

b) 95% critical values

\mu \pm z_{critical}\frac{\sigma}{\sqrt{n}}

Putting the values, we get,

z_{critical}\text{ at}~\alpha_{0.05} = 1.96

60000 \pm 1.96(\frac{5000}{\sqrt{100}} ) = 60000 \pm 980= (59020,60980)

5 0
3 years ago
Postage In 1989 a postage stamp cost
bearhunter [10]

idk man im trying to get points so ty

5 0
4 years ago
juan ramirez sells suits in a major department store on weekends. he earns a commission of 5 percent on the first ten suits, ahd
lbvjy [14]

(10*$250=2500*5%=125)+ (3*250$=750*8%=60.00)= $185.00

Answer: 185.00

6 0
3 years ago
Read 2 more answers
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