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Feliz [49]
3 years ago
7

Algebra 1 I need help ASAP

Mathematics
1 answer:
galben [10]3 years ago
3 0

Find the depth of the river at 9 hours and 18 hours by seeing where the line is on the Y axis.


At 9 hours the river is 18 feet deep

At 18 hours the river is 21 feet deep.



The average rate of change is the change in Y over the change in X

The Y is the depth and the X is the time:


(21-18) / (18-9) = 3/9 = 1/3 = 0.33


The average rate of change is 0.3 foot per hour. ( Rounded to nearest tenth)

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The probability is 1% that an electrical connector that is kept dry fails during the warranty period of a portable computer. If
rodikova [14]

Answer:

1.4% of connectors fail during the warranty period.

Step-by-step explanation:

We have these following probabilities:

A 90% probability that a connector is kept dry.

A 10% probability that a connectors is wet.

If a connector is dry, an 1% probability of failling.

If a connector is wet, a 5% probability of failling.

What proportion of connectors fail during the warranty period?

This is 1% of 90% and 5% of 10%. So

P = 0.01*0.9 + 0.05*0.1 = 0.014

1.4% of connectors fail during the warranty period.

4 0
3 years ago
Someone please help me
xenn [34]
The Correct Answer is B .
4 0
3 years ago
Did I get it right????
Bingel [31]

Answer:

The answer is actually 105 m squared

Step-by-step explanation:

The area of a rectangle is the length times the width

The length is 7 and width is 15

7 x 15 = 105

7 0
3 years ago
Read 2 more answers
There are seven members of a jazz club who are listed below. A concert director can choose some or all of them to be part of a l
balu736 [363]
The concert director can choose the new members by holding try outs to take the the possible candidate’s skills, performance and professionalism into consideration to be a part of the large show. Another way is by voting amongst other people in their school to see who the audience would be excited to see preforming in the show.
4 0
3 years ago
Salesman Randy gets a fixed salary of $2000 per month and a commission of 2% on sale. If total sale is $30,000 for the month, fi
Allisa [31]

Answer:

$2600

Step-by-step explanation:

If his monthly salary is $2000 and 2% commission.

He made $30,000 in sales for the month so lets make an equation.

s = total salary

s = $2,000 + .02($30,000)

s = $2,000 + $600

s = $2600

Randy's salary for the month is $2600.

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3 years ago
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