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Setler79 [48]
3 years ago
5

Are these triangles similar

Mathematics
1 answer:
Archy [21]3 years ago
8 0
These trianges are similar because they are both right triangles.
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Please answer and explain.
djyliett [7]

Answer:

x = 13

Step-by-step explanation:

The sum of the exterior angles of a 4 sided polygon is 360

139+ 6x+9x+2x = 360

Combine like terms

139+17x=360

Subtract 139 from each side

17x = 360-139

17x = 221

Divide each side by 17

17x/17 = 221/17

x = 13

8 0
3 years ago
Read 2 more answers
Graph the line with slope 1/4 and y-intercept -8
kherson [118]

Solution: Below! ^^

Detailed explanation:

Hii! I'm sorry, I can't graph the line for you, but I'll try to give you the best possible explanation.

First, note that the question provides us with the info that the y intercept is -8. This is a very valuable piece of information!

This means that the line crosses the y axis (since it's the y intercept) at the point (0,-8). Plot it on the co-ordinate plane.

Next, this question also provides us with the fact that the slope of the line is 1/4. This is yet another valuable piece of information!

What this tells us is: from that point (0,-8), you need to go up 1 unit, then over 4, and so forth, until you obtain a line.

_________

Hope I helped, best wishes & happy studies!

Please reach out to me if any queries arise.

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5 0
2 years ago
Read 2 more answers
12x-18=90 whats the answer ?
zhenek [66]

Answer:

=

9

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Suppose you receive an allowance of $55 and your friend receives an allowance of $40 at the beginning of the month. If you spend
Licemer1 [7]

Answer: 5 days

Step-by-step explanation:

so we need to find:

55 - 6a = 40 - 3a

with a being the days we need to find

-40 on each side

15 - 6a = -3a

+6a on each side

15 = 3a

divide each side by 3

5 = a

4 0
3 years ago
Could someone please help me with this question
bogdanovich [222]

Answer:

10 units

Step-by-step explanation:

Area of a triangle is \frac{h*b}{2}= Area

where h is the height, and b is the base

We can substitute these values into the area equation and get:

\frac{x*10}{2} = 50

Multiply both sides by 2:

x * 10 = 100

Divide both sides by 10:

x = 10

The missing side is 10 units long

3 0
3 years ago
Read 2 more answers
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