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motikmotik
2 years ago
9

Select all of the right triangles.

Mathematics
1 answer:
Mariulka [41]2 years ago
3 0

Answer:

Step-by-step explanation:

Triangle ABC: 30^2 + 40^2 = 50^2 is a true statement, so by the Pythagorean theorem, this is a right triangle.

Triangle XYZ: 1^2 + 1^2 = 2^2 is a false statement, so by the Pythagorean theorem, this is not a right triangle.

Triangle EFG: 8^2 + 15^2 = 17^2 is a true statement, so by the Pythagorean theorem, this is a right triangle.

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–3х - 7y = 8<br> 3х - 2y = 44
lara31 [8.8K]

Answer:

  • One solution

Kind Note:

This question is incomplete. You need to provide the question in order to get the best answer on brainly. In this answer, I will tell you how many solutions are in this system of equations.

Step-by-step explanation:

This question involves the use of 'system of equations'.

  • => -3x - 7y = 8

             3x - 2y = 44

  • => (-3x + 3x) + (-7y - 2y) = (8 + 44)
  • => -9y = 52
  • => y = -52/9 (No further check required)

Since the y-intercept is valid, the system of equations has one solution.

Hence, this system of equations has one solution.

Hoped this helped!

6 0
2 years ago
Read 2 more answers
Brenna is going on a backpacking trip with her family. They need to hike to their favorite camping spot and set up the camp befo
Nostrana [21]

Answer:

Latest time for start hiking = 4:57 PM

Step-by-step explanation:

Given:

Time of sunset = 9:26 P.M

Time taken for hiking = 3 hours and 3 minutes (03:03)

Time taken for set up = 1 hour and 26 minutes (1:26)

Find:

Latest time for start hiking

Computation:

Latest time for start hiking = Time of sunset - Time taken for set up - Time taken for hiking

Latest time for start hiking = 9:26 - 1:26 - Time taken for hiking

Latest time for start hiking = 8:00 PM - 03:03

Latest time for start hiking = 7:60 - 03:03

Latest time for start hiking = 4:57 PM

6 0
3 years ago
What is the answer key to GO MATH 6grade page 393
Lina20 [59]

Answer:

This website is not an answer key website. You ask a question and we respond. Write your question and ill reply. Thanks for the points.

Step-by-step explanation:

7 0
3 years ago
Find the value g(-2), where g is defined below.<br> g(x) = 2x^2- 4x – 4
DanielleElmas [232]

Answer:

12

Step-by-step explanation:

For this question, simply plug in -2 for x:

g(-2)=2(-2)^2-4(-2)-4\\g(-2)=2(4)+8-4\\g(-2)=8+8-4\\g(-2)=12

Hope this helps!!

8 0
3 years ago
A regular hexagon is shown.
zhuklara [117]

The central angle of the hexagon is equal to 60º.

Therefore, the trigonometric relationship for the radius is given by:

cos (30) = \frac{a}{c}

Where,

a: apothema of the hexagon

c: Hexagon radius.

Clearing the radio we have:

c = \frac{a}{cos (30)}

Substituting values:

c = \frac{12}{cos (30)}  c = 13.85

Rounding to the nearest whole number we have:

c = 14 in

Answer:

The measure of the radius, c, rounded to the nearest inch is:

C. 14 in.

7 0
3 years ago
Read 2 more answers
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