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bezimeni [28]
3 years ago
6

A greeting card company is creating musically themed greeting cards. The image below shows a music symbol that will be used on o

ne of the cards, with several labeled angles. Lines 1 and 2 in the image are parallel.
Enter the degree measure of ∠K.

Mathematics
1 answer:
valkas [14]3 years ago
8 0

Answer:

Measure of angle K is 77 degrees.

Step-by-step explanation:

We are told lines 1 and 2 are parallel in the given image.

Now we will use alternate exterior angles theorem which states that angles that are on the exterior of parallel lines and opposite side of transversal are congruent.

6x-35=4x+11 (Alternate exterior angles)

Now we will get two equations as:

6x-35+k=180 (Linear pair)

4x+11+k=180

Now we will use substitution property to solve for k.

x=\frac{180-k+35}{6}

4*(\frac{180-k+35}{6} )+11+k=180

360-2k+70+33+3k=540

k=540-463=77

Therefore, measure of angle K is 77 degrees.

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James drove 986 miles from Philadelphia to Orlando in 14.5 hours. He continued to drive at the same average speed and drove anot
VMariaS [17]

Answer:

James Spent 25 hours driving from  Philadelphia to New Orleans.

Step-by-step explanation:

Given:

Distance from Philadelphia to Orlando = 986 miles

Time required to travel Philadelphia to Orlando = 14.5 hrs

Distance from Orlando to New Orleans = 714 mile.

We need to find the total amount of time James spent driving from Philadelphia to New Orleans.

Solution:

First we will find the average speed from Philadelphia to Orlando.

We know that;

Speed is equal to distance divided by time.

framing in equation form we get;

average speed from Philadelphia to Orlando = \frac{986}{14.5}=68\ mi/hrs

Now given that he traveled with same speed from Orlando to New Orleans.

So we will find the time required from Orlando to New Orleans.

We know that;

Time is equal to Distance divided by speed.

framing in equation form we get;

time required from Orlando to New Orleans = \frac{714}{68}= 10.5 \ hrs

Now we will find the total time James spent on driving from Philadelphia to New Orleans.

the total time James spent on driving from Philadelphia to New Orleans is equal to sum of Time required to travel Philadelphia to Orlando and time required from Orlando to New Orleans.

framing in equation form we get;

the total time James spent on driving from Philadelphia to New Orleans = 14.5 + 10.5 = 25 hours.

Hence James Spent 25 hours driving from  Philadelphia to New Orleans.

6 0
3 years ago
Scientists are monitoring the populations of two insect species in a remote location in Alabama. They estimate that the current
bulgar [2K]

Answer:

2.5e-0.04x = 1.2 + 0.2x

Step-by-step explanation:

Given that:

Insect A:

Initial population, Po = 2.5 million

Rate of decline = 4%

Insect B:

Initial Population (Po) = 1.2 million

Yearly increase = 200,000 = (200,000/1,000,000) = 0.2

For insect A:

P(t) = Po(1 - r)^t = Po*e^-rt

Po*e^-rt = 2.5e^-0.04t ----(1)

For Insect B:

P(t) = Po + (yearly increase) * t

P(t) = 1.2 + 0.2t - - - - - (2)

Equating (1) and (2)

2.5e^-0.04t = 1.2 + 0.2t

3 0
3 years ago
R/16 + 6 = 7 pLEASE HELP WITHIN A HOUR OR TWO
cestrela7 [59]

Solution:

<u>Simplify the equation and solve for r.</u>

  • r/16 + 6 = 7
  • => r/16 = 7 - 6
  • => r/16 = 1
  • => r = 16

The value of r is 16.

<u>Check:</u>

  • r/16 + 6 = 7
  • => 16/16 + 6 = 7
  • => 1 + 6 = 7
  • => 7 = 7 (Proved correct)
7 0
3 years ago
Read 2 more answers
A van is traveling 1.5 kilometers per minute. Approximately how fast is the van traveling in miles per hour?
Alik [6]
The van is traveling about 55.9 miles per hour.
4 0
4 years ago
Solve the system of the linear equation using any method:<br> 2x+5y=4<br> 4x+7y=11
mr_godi [17]
Multiply the first equation by 2:
4x+10y=8
Subtract the second equation from this so the 4x cancels:
3y = -3
y = -1
Plug into first equation:
2x -5 = 4
2x = 9
x = 9/2 = 4 1/2 = 4.5
So (x,y) = (-1,4.5)
3 0
3 years ago
Read 2 more answers
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