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LenKa [72]
3 years ago
11

For lines c, d and e, m_1= 90° and m_3=90° For the given diagram and angle measures, use complete sentences to describe each pai

r of lines as parallel or perpendicular. In your description, include the special angle relationship between angles 1 and 3. a. lines d and e b. lines d and c​

Mathematics
1 answer:
alexandr402 [8]3 years ago
7 0

Answer:

i don't know how to figure out this

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A private jet flies the same distance in 8 hours that a commercial jet flies in 7 hours. If the speed of the commercial jet was
mamaluj [8]

Solving a system of equations, we can see that:

  • Speed of the private jet: 168 mi/h
  • Speed of the commercial jet: 192mi/h

<h3>How to find the speeds of each jet?</h3>

Let's define the variables:

  • P = speed of the private jet.
  • C = speed of the commercial jet.

With the given information, we can write:

P*8h = D

C*7h = D

C = 2*P - 144mi/h

So we have a system of 3 equations, where D is the distance in the problem.

With the first and second equations we can write:

P*8h = D = C*7h

Isolating P, we get:

P = C*(7/8)

Now we can replace that in the last equation:

C = 2*P - 144mi/h

C = 2*C*(7/8) - 144mi/h

And now we can solve that for C.

C - 2*(7/8)*C = - 144mi/h

C*(1 - 14/8) = -144mi/h

C*(8/8 - 14/8) = - 144mi/h

C*(6/8) = 144mi/h

C = (8/6)*144mi/h = 192mi/h

Now that we know the speed of the commercial jet, we can find the speed of the private jet.

P = C*(7/8) = 192mi/h*(7/8) = 168 mi/h

If you want to learn more about systems of equations:

brainly.com/question/13729904

#SPJ1

6 0
2 years ago
HELP ME ASAP WILL MARK BRAINLIEST
nataly862011 [7]

Answer:

1912

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Which is the graph of the system of inequalities
Leni [432]

Answer:

A

Step-by-step explanation:

Try testing each graph by picking a point on the shaded region or none shaded region.

-1/5 and 6= y-intercept

4/5 and 2= slope

You may notice that it is in y-intercept form. So to find where the shaded region goes, test a coordinate and apply it to the equation, if the answer is false, than half of the line is not where the shaded region goes.

6 0
3 years ago
the diagonals of a rhombus are 12 centimeters and 16 centimeters. what is the length of one side of the rhombus?
liq [111]
In a rhombus, the diagonals meet at right-angles, and they bisect each other, namely they cut each other in half, check the picture below.

thus we can use the pythagorean theorem to get one side, keeping in mind that, slanted as it may be, all sides in a rhombus are equal in length.

7 0
3 years ago
Please help !!!!!!!!!
Serggg [28]

Answer:

This is some ton of work LOL

Step-by-step explanation:

A. 4/7×5/5=20/35  We multiply by 5 for A because 35÷5=7 and you need to multiply top and bottom. You can NOT forget that. We do not need to simplify something this time? 3/5X7/7=21/35. Why are we muliplying something new? figure out. no need to simplify. oBVIOUSLY 3/5 IF BIGGER

B. As usual etc...

8 0
3 years ago
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