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WITCHER [35]
3 years ago
13

Which is the best definition of a triangle

Mathematics
1 answer:
Sonbull [250]3 years ago
3 0
A 3 sided polygon or 2D shape (for kids)
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How can I solve this problem?​
irina [24]
5x + 5x +3x (like terms)
13x-60=180
180+60=240
240/13=18.4615
X=18.4615

I hope this is correct.
(There are so many different ways to do math problems like this) I hope I could help... sorry if I didn’t.
6 0
2 years ago
Granger walks 2 1/5 miles in 2/3 an hour at a constant speed.
Lorico [155]
She walks 3 3/10 mph
In 1/3 an hour she walks 2 1/5 : 2 = 11/10
4 0
3 years ago
How do u find the slope of (6,-10), (-15,15)
Sergeu [11.5K]
m = \frac{y_{2} - y_{1}}{x_{2}-  x_{1}} = \frac{15 - (-10)}{-15 - 6} = \frac{15 + 10}{-21} = \frac{25}{-21} = -1\frac{4}{21}

     y - y₁ = m(x - x₁)
y - (-10) = -1⁴/₂₁(x - 6)
   y + 10 = -1⁴/₂₁(x) + 1⁴/₂₁(6)
   y + 10 = -1⁴/₂₁x + 7¹/₇
       - 10              - 10
           y = -1⁴/₂₁x - 3¹/₇
7 0
3 years ago
PLEASE HELP Word problem involving average rate of change
oee [108]

Answer:

(a): 26.1

(b): 27.9

Please see below for the steps.

Step-by-step explanation:

(a):

Use points (0,0) and (3, 78.3)

Use slope formula. The slope formula is also used to find average rate of change (just so you know).

y2-y1/x2-x1

78.3-0/3-0=78.3/3=26.1

Answer for (a) is 26.1

(b):

Use points (4, 147.6) and (9, 287.1)

Use slope formula.

y2-y1/x2-x1

287.1-147.6/9-4=139.5/5=27.9

The answer for (b) is 27.9

Hope this helps!

Please mark as brainliest if correct!

Have a great day!

5 0
1 year ago
Allison is evaluating the expression -5-(-2) using integer tiles. She begins with 5 negative tiles as shown
elena-s [515]

Answer:

its B. -3

Step-by-step explanation:

Remove 3 negative tiles .

Can I get brainliest??????

5 0
3 years ago
Read 2 more answers
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