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tensa zangetsu [6.8K]
3 years ago
9

1: Plot the graph of the equation 2x-3y=6 and 2x+y=-10 and intercept the result.

Mathematics
1 answer:
Vladimir [108]3 years ago
5 0
To graph the equations, rewrite the equations written in standard form to slope-intercept form of the equation.

y=mx+b\\\\ 2x-3y=6\\ 2x+y=-10 \\\\3y= 2x- 6\ \ / :3\\ y=-2x-10 \\\\y= \frac{2}{3}x- 2 \\ y=-2x-10


Answer : \\ \\The \ lines \ intersect \ when \ x = -3 \ and \ y = -4
 

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In the right triangle ABC shown, c=17ft and angle A=30 degrees Determine side a
jekas [21]

Using relations in a right triangle, considering c as the hypotenuse, we have that the length of side A is: a = 8.5\sqrt{3}

<h3>What are the relations in a right triangle?</h3>

The relations in a right triangle are given as follows:

  • The sine of an angle is given by the length of the opposite side to the angle divided by the length of the hypotenuse.
  • The cosine of an angle is given by the length of the adjacent side to the angle divided by the length of the hypotenuse.
  • The tangent of an angle is given by the length of the opposite side to the angle divided by the length of the adjacent side to the angle.

From the information given, we can build the following relation:

cos(A) = a/c.

\frac{\sqrt{3}}{2} = \frac{a}{17}

a = \frac{17\sqrt{3}}{2}

a = 8.5\sqrt{3}

More can be learned about relations in a right triangle at brainly.com/question/26396675

#SPJ1

6 0
1 year ago
Please help~ I will mark best answer!!!
creativ13 [48]

Answer: i THINK it might be c

Step-by-step explanation: dont hold me to it tho. its just a guess. typed all of the equations in desmos but none of them came out exact. sorry love

8 0
3 years ago
Can someone help me with this please
zavuch27 [327]

Answer:

8×

Step-by-step explanation:

you just add 7×+1 and the answer will be 8×

7 0
2 years ago
What is the value of 7(10 - 2^3) + 8 divided by 2
Zielflug [23.3K]

7(10-2^3)+8 \div 2 \\ \\ 7(10-8)+8 \div 2 \\ \\ 7(2)+8 \div 2 \\ \\ 7(2)+4 \\ \\ 14+4 \\ \\ \boxed{18}

5 0
1 year ago
Find the value of x ​
Gwar [14]

Answer:

hello

Step-by-step explanation:

4x+3x+2x=180⁰

9x=180⁰

x=20

hope it helps

have a nice day

5 0
3 years ago
Read 2 more answers
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