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omeli [17]
3 years ago
13

Solve the following proble 1. 3a + 1 = a +9

Mathematics
1 answer:
Sav [38]3 years ago
3 0

Answer:

a=4

Step-by-step explanation:

3a+1=a+9

subtract a from both sides

2a+1=9

subtract 1 from both sides

2a=8

divide both sides by 2

a=4

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A ship is 1.4° off course. If the ship is traveling at 14.0 miles per hour, how far off course will it be after 2 hours?
sesenic [268]

Answer:

  about 0.7 miles

Step-by-step explanation:

When you draw a diagram of the problem, you see that the shortest distance back to the course is the distance traveled times the sine of the angle:

  distance off course = (14 mi/h)×(2 h)×sin(1.4°) ≈ 0.684 mi

The ship is about 0.7 miles from its intended course.

6 0
4 years ago
Percentage of 75 and 80 <br>​
Verdich [7]

The answer will be:-

0.75

0.80

5 0
3 years ago
Find the GCF of 18xy and 32xyz<br><br> If you answer my question you will recieve 35 points
densk [106]
There is one 2 in common and there are "x" and "y" variables in common. Finally, the GCF of 18xy and 32xyz is 2xy.
7 0
4 years ago
Read 2 more answers
Which table of ordered pairs represents a linear function? x y −8 22 0 1 8 22 16 102 x y −8 −7 0 1 8 9 8 2 x y −8 −7 0 0 8 7 16
nekit [7.7K]

The linear function is a function that has a straight line when plotted on a

graph.

<h3>The correct option;</h3>
  • The table of ordered pairs that represent a linear function is the option; <u>x/y  -8/-7  0/0  8/7  16/14</u>

<u />

<h3>Reasons why the above selection is correct:</h3><h3 /><h3>Given;</h3>

The given data can be presented as follows;

x/y -8/22 0/1 8/22 16/102

x/y -8/-7 0/1 8/9 8/2

x/y -8/-7 0/0 8/7 16/14

x/y -8/-7 0/1 8/5 16/4

<h3>Representation of the options in tabular form;</h3>

In a tabular form, we have;

\begin{tabular}{|c|c|}x&y\\-8&22\\0&1\\8&22\\16&102\end{array}\right]  \begin{tabular}{|c|c|}x&y\\-8&-7\\0&1\\8&9\\8&2\end{array}\right]  \begin{tabular}{|c|c|}x&y\\-8&-7\\0&0\\8&7\\16&14\end{array}\right]  \begin{tabular}{|c|c|}x&y\\-8&-7\\0&1\\8&5\\16&4\end{array}\right]

<h3>Characteristic of linear function;</h3>

In a linear function, when the x-values have a constant rate of increase the

first difference in the y-values is constant.

<h3>Selection of the table representing a linear function;</h3>

The option that have constant first difference along with a constant rate of

increase in the x-value is the option with the following table;

\begin{tabular}{|c|c|}x&y\\-8&-7\\0&0\\8&7\\16&14\end{array}\right], which is the option x/y -8/-7 0/0 8/7 16/14

Learn more about linear functions here:

brainly.com/question/1492480

brainly.com/question/8046269

6 0
3 years ago
Find the arc length of the partial circle.
ElenaW [278]

Answer:

38.485(correct to 5 significant figure)/ 12.25π

Step-by-step explanation:

\pi(7 {}^{2} )( \frac{90degree}{360deree} )

= \pi(49)( \frac{1}{4} )

=38.485(cor. to 5 sig.fig.)/ 12.25π

to find arc length of sector,we need to π(radius²)(sector's degree divided by 360 degree)

8 0
3 years ago
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