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dsp73
3 years ago
8

Help me with this i dont really get it

Mathematics
1 answer:
natta225 [31]3 years ago
6 0

Answer:

Man wf

Step-by-step explanation:

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In a triangle the first angle is 10 degrees more than the second angle. The third angle is equal to the sum of first 2 angles .
timurjin [86]
First angle= x+10
Second angle = x
Third angle = x+x+10 or 2x+10

X+10+x+2x +10=180
4x+20=180
Subtract 20 from both sides
4x=160
Divide both sides by 4
X=40
First angle =50
Second angle=40
Third angle =90
8 0
3 years ago
​ y=3x+3 y=−2x+3 ​ how many solutions does the system have
allochka39001 [22]

Answer: One solution

Step-by-step explanation:

y = 3x + 3

y = -2x + 3

-----------------------------------------------------------------------------------------------------------

To solve this, you need to understand a few things:

a) If two lines have the same slope but different y-intercepts, they are parallel when graphed and thus do not have any solutions

b) If two lines have the same slope and same y-intercepts, they are the same line when graphed and thus do not have infinitely many solutions

c) If two lines have different slopes (and/or y-intercepts), they have one solution

-----------------------------------------------------------------------------------------------------------

These two lines have different slopes but the same y-intercept (condition c)

So they have one solution

5 0
2 years ago
(X+2y)(x-2y) how do I solve this
Fudgin [204]

Step-by-step explanation:

(x+2y)(x-2y)

  • x^2-2xy+2xy-(2y)^2
  • x^2-4y^2

5 0
3 years ago
A recipe for potato casserole calls for 7/4 cups of cheese. Write the fractions as a mixed number.
alexira [117]
7/4

4 goes into 7 one time.
3 left over.

1 3/4
3 0
2 years ago
Find the area of the shape​
bixtya [17]

Answer:

Step-by-step explanation:

Answer:

=> 1/4  * \pi r^{2}

=> 1/4 * 3.14 * 4

=> 3.14

Answer = 3.14

<h2>Please mark my answer as the brainliest for further answers :)</h2>
4 0
3 years ago
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