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Radda [10]
3 years ago
7

If a line has a slope of 2 and contains the point (-2,1), what is its equation in point-slope form?

Mathematics
1 answer:
kondaur [170]3 years ago
5 0
The equation for slope is y=mx+b. slope is m. 2 is the slope. so you know the m part of the equation is 2. just by eliminating the answers that don’t have 2 as the slope, A is your answer.
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a student found the slope of a line that passes through the point (-3,-10) and (5,-7) to be 3/8 what mistake did he make
In-s [12.5K]
The student didn't make any mistake. The slope of the line between those points is 3/8.

3 0
4 years ago
If I have 3 shirts, 4 pants, 2 sweater, 6 pairs of shoes, how many different outfits can I make?
Kazeer [188]

Answer:144

Step-by-step explanation:

4 0
3 years ago
What is the area of the composite shape<br> A pentagon is shown.
natali 33 [55]

Answer:

37in.^2

Step-by-step explanation:

So if the triangles at the top have a hypotenuse of 5, and a length of 4, then doing reverse Pythagorean theorem, you find out that the width is 3.a^{2} +b^{2} =c^{2}. so reverse of that for this problem would be c^{2} -b^{2} =a^{2} and if we plug it in, we get 25 -16=9 and the square root of 9 is 3. so if we find the are of the triangle, 3*4*1/2=6 and there are 2 triangles so 12 for both triangles. The square is 5*4=20. and the smaller triangles on the side are 1*5*1/2=2.5, and there are 2 traingles so 2.5*2= 5. So 5+20+12=37. You can do this on most calculators, and please put my answer as the brainliest.✌

4 0
2 years ago
Brainiest will be given . Please help me
mixas84 [53]

Answer:

If the shape of end face has n sides

Then, in total, there are n+2 faces

Using that formula

Faces in 20-sided polygon = n+2 = 20+2 = 22

Step-by-step explanation:

Pls vote as brainliest

6 0
3 years ago
A triangle has an area of 78 square inches. Its base is measured to be 13 inches. What is the height of this triangle in inches?
Fynjy0 [20]

Answer:

\boxed{ \bold{ \huge{ \boxed{ \sf{12 \: inches}}}}}

Step-by-step explanation:

Given,

Area of a triangle = 78 square inches

Base of a triangle = 13 inches

Height of a triangle = ?

<u>Finding</u><u> </u><u>the</u><u> </u><u>height</u><u> </u><u>of</u><u> </u><u>a</u><u> </u><u>triangle</u>

\boxed{ \sf{area \: of \: a \: triangle =  \frac{1}{2}  \times  \: base \:  \times  \: height}}

\dashrightarrow{ \sf{78 =  \frac{1}{2}  \times 13 \times h}}

\dashrightarrow{ \sf{78 = 6.5 \: h \: }}

\dashrightarrow{ \sf{6.5 \:  h = 78}}

\dashrightarrow{ \sf{ \frac{6.5h}{6.5}  =  \frac{78}{6.5}}}

\dashrightarrow{ \sf{h = 12 \: inches}}

Hope I helped!

Best regards! :D

4 0
3 years ago
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