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pshichka [43]
4 years ago
7

How do you use parallel and perpendicular lines to solve real-world problems?

Mathematics
2 answers:
klasskru [66]4 years ago
6 0
If you work construction it’s in blue print salon with different angles on where you would cut wood or weld metal together.
ASHA 777 [7]4 years ago
4 0

Answer:

In engineering, construction, and technical fields

Step-by-step explanation:

The use of parallel lines has many wide applications

For example, the parallel lines are important in science in preventing parallax errors in measuring, say the meniscus of the water in a glass.

Another use is in construction. The use of the plumb line shows if the object being built is straight or not. The principle is that the force of the pull acts downwards. Another example is the spirit lever. This can be used by builders to check if the surface is even or not.

In engineering, the properties are important in building bridges and other high-tension structures.

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austin is riding his bicycle. He rides for 27.5 kilometers at a speed of 11 kilometers per hours for how many hours did he ride?
Ludmilka [50]
Divide 27.5/11, and you get 2.5.
Austin rode for 2.5 hours (2 and a half hours).
4 0
3 years ago
What is the answer to
Annette [7]

Answer:

y = 2/3x - 13

Step-by-step explanation:

We have a slope of 2/3 and a point (9, -7)

The point slope form of a line is

y-y1 = m(x-x1)

y--7 = 2/3 (x-9)

Distribute

y+7 = 2/3x - 6

Subtract 7 from each side

y+7-7 = 2/3x -6-7

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This is in slope intercept form.

5 0
3 years ago
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A researcher would like to investigate whether or not there is a difference in IQ between Psychology and History majors. She gat
Over [174]

Answer:

Paired t test

H0 : μd = 0

H1 : μd > 0

Critical value = 3.499

Test statistic = 2.230

Reject H0 if test statistic > Critical value

Kindly check explanation.

Step-by-step explanation:

Given the data :

110 90 120 98 100 100 90 110

124 100 102 120 110 110 123 120

The hypothesis :

H0 : μd = 0

H1 : μd > 0

Tcritical value, df = n - 1 = 8 - 1 = 7

Tcritical(0.01, 7) = 3.499

The difference, d = (-14,-10,18,-22,-10,-10,-33,-10)

The test statistic :

Xdbar / Sd/√n

The mean difference, Xdbar = Σx / n = - 11.375

The standard deviation of difference, Sd = 14.431

The test statistic :

-11.375 / (14.431/√8) ;

-11.375 / 5.102

= 2.230

Decison :

Reject H0 if test statistic > Critical value

Since ; 2.230 <3.499 ;

We fail to reject the null

7 0
3 years ago
Combine the like terms to make a simpler expression: 5n+6+(-7n)<br> plz hurry
azamat
-2n + 6 is the answer to this question
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3 years ago
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