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Mrac [35]
3 years ago
13

How many triangles can be constructed with angles measuring 50º, 90º, and 40º?

Mathematics
2 answers:
IRINA_888 [86]3 years ago
8 0
A triangles angles all add up to 180*. so 90*+50*+40*=180*
worty [1.4K]3 years ago
4 0
A <span>right triangle

90</span>°<span> + 50</span>°<span> + 40</span>°<span> = 180</span>°
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Ben runs 3/4 mile each day.How many Miles Does ben run in 12 days
Gnom [1K]

Answer:

9 miles

Step-by-step explanation:

0.75x12=9

or

75x120=90

90/10=9

7 0
3 years ago
Which of the following is a factor of 3x^3-12x?<br> 3x-4<br><br> x+2<br><br> x+3<br><br> x-4
VMariaS [17]

Answer:

x + 2

Step-by-step explanation:

3x^3 - 12x

=3x(x^2 - 4)

= 3x(x + 2)(x - 2)

so (x+2), (x - 2) and 3x are the factors of 3x^3 - 12x

answer:

x + 2

6 0
3 years ago
Read 2 more answers
3x + 2 = x + 4 ( x + 2 )​
Step2247 [10]

Answer:

<h2>x = -3</h2>

Step-by-step explanation:

3x+2=x+4(x+2)\qquad\text{use the distributive property}\ a(b+c)=ab+ac\\\\3x+2=x+(4)(x)+(4)(2)\\\\3x+2=x+4x+8\qquad\text{combine like terms}\\\\3x+2=(x+4x)+8\\\\3x+2=5x+8\qquad\text{subtract 2 from both sides}\\\\3x+2-2=5x+8-2\\\\3x=5x+6\qquad\text{subtract}\ 5x\ \text{from both sides}\\\\3x-5x=5x-5x+6\\\\-2x=6\qquad\text{divide both sides by (-2)}\\\\\dfrac{-2x}{-2}=\dfrac{6}{-2}\\\\x=-3

5 0
3 years ago
Find the gradient of the line segment between the points (-1,3) and (1,-2).
Serga [27]
Can someone please on this , I need help on this too !!
4 0
3 years ago
Read 2 more answers
find the slope of the line between each pair of points (5,11) (-3,-6) explain how you got the answer so I can see.
lorasvet [3.4K]
You can use slope formula to find slope of given points.
m = (y2-y1)/(x2-x1)
m = (-6-11)/(-3-5)
m = -17 / -8
Cancel out minus sign in both nominator and denominator. Thus,
m = 17/8
Hence, the slope is 17/8
4 0
3 years ago
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