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Lostsunrise [7]
2 years ago
11

How do you do this I don’t get it

Mathematics
1 answer:
Ierofanga [76]2 years ago
6 0

Answer:

x= 65 z= 38 y= 77

Step-by-step explanation:

x=65° (opposite angles are equal)

z= 180°-[71+71 (bc the other side is also equal to 71)]

z= 180°-142°=38°

y= 180 - [sum of angle x (65°) and angle z (38°)]

y= 180 - 103= 77°

to make sure ur answer is correct the sum of angle x, y and z MUST = 180

lets check:

65° + 38° + 77° = 180°

:)

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A line passes through the point (3,4) and has a slope of 7. Write an equation for this line
Dmitry [639]

Answer:

y = 7x - 17

Step-by-step explanation:

If you graph the coordinate (3,4) and then apply the slope (7 up / 1 down) , you will end up passing through the point (0,-17) on the y line. The point the line passes on the y line would be the y intercept.

Once you have all the necessary information, you put it into a y=mx+b form. m being the rate or slope, and b being the y-intercept.

8 0
3 years ago
Factor the trinomial:<br><br> -2x²-16x-24
Liula [17]
-2x^2-16x-24&#10;&#10;
<u />-2x^2-12x-4x-24
-2x(x+6)-4(x+6)
(-2x-4)(x+6)
-2(x+2)(x+6)
8 0
2 years ago
In triangle ABC, the side lengths are AB = 13, AC = 21, and BC = x. Write a compound inequality that represents the range of pos
N76 [4]

There is only 1 solution for the length of BC.

We can calculate it using Pythagorean theorem.

We can conclude that triangle's hypotenuse is AC.

AC^2=AB^2+BC^2

If that is the case we are looking for a side BC.

BC=\sqrt{AC^2-AB^2}

Now put in the data.

BC=\sqrt{21^2-13^2}=\sqrt{272}=\sqrt{272}\approx\boxed{16.49}

Hope this helps.

r3t40

7 0
3 years ago
Below is a piece of a local pizza place menu where Jacob works.
Hatshy [7]

1)

16.90 is about $17

$17 * 3 = 51

6.99 is about $7

7 * 4 = 28

28 + 51 = 79

This is not reasonable because it costs $79, which is more than $75.

7 * 3 = 21

21 + 51 = 72

The customer has enough for 3 supreme pizzas and 3 dessert pizzas.

2)

16.90 is about 17

5.99 is about 6

17 + 6 = 23

23 - 5 = 18

This is reasonable.

3)

14.85 is about 15

6.99 is about 7

15 + 7 = 22

22/100 = 0.22

0.22 * 22 = 4.84

This is reasonable.

4)

16.90 is about 17

14.85 is about 15

5.99 is about 6

6.99 is about 7

17 * 5 = 85

15 * 5 = 75

6 * 5 = 30

7 * 5 = 35

85 + 75 + 30 + 35 = 225

This is reasonable

5)

14.85 + 1.39(4) = 20

1.39 * 4 = 5.56

14.85 + 5.56 = 20.41

This is not reasonable because the total is more then $20.

6 0
2 years ago
I NEED HELP Quick!!
love history [14]
I think it would be 84 + 0.45m + 108.
Which simplified could be 0.45m + 192. Hope it helps! :)
3 0
2 years ago
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