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shepuryov [24]
3 years ago
8

Find the area of a triangle with vertices at D(2, 0), E(–1, 0), and F(2, –7).

Mathematics
2 answers:
kati45 [8]3 years ago
8 0
Im suck on the same question 
tatuchka [14]3 years ago
6 0

Answer:

The answer is 10.5 square units

Step-by-step explanation:

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5. A history lecture hall class has 15 students. There is a 15% absentee rate per class meeting.
Tasya [4]

Answer:

I think the answer is A

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Step-by-step explanation:

5 0
3 years ago
Identify the equation of a line in slope-intercept form that is perpendicular to y = -1/3 x + 2 and passes through (2, 1).
kari74 [83]
To get your answer, you will need to find the perpendicular slope for -1/3x which is just the opposite therefore it will be 3x. Your slope is 3x as perpendicular so use this slope to do point slope. Y-1=3(x-2). Distribute y-1=3x-6. Add 1 to both sides. (-1+1) (-6+1)=-5. So your equation in slope intercept form is y=3x-5. Going through the two points.

Hope this helps!
3 0
2 years ago
If the units digit of the three-digit positive integer k is nonzero, what is the tens digit of k ?
Vanyuwa [196]

Answer:

  any digit 0 to 9

Step-by-step explanation:

Nothing about your description of the number suggests that the 10s digit depends on the units digit. The tens digit can be any digit 0 to 9.

8 0
2 years ago
If c = 4, evaluate the following expression: <br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%7Bc%7D%20" id="TexFormula1" title=
mash [69]

Answer:

2 is the answer

Step-by-step

6 0
2 years ago
If a and b are rational numbers and 5 +2 root 3/7+4 root3=a-b root 3;then a and b=
Usimov [2.4K]

Answer:

           \bold{a=5\,,\quad b=-4\frac27}

Step-by-step explanation:

5+\frac{2\sqrt3}7+4\sqrt3=5+\frac27\sqrt3+4\sqrt3=5+4\frac27\sqrt3=5-(-4\frac27)\sqrt3

6 0
3 years ago
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