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Dimas [21]
3 years ago
15

Solve the system of equations: x+2y−z=3 −2x−y+z=−1 6x−3y−z=−7

Mathematics
1 answer:
Setler79 [48]3 years ago
5 0

Answer:

ahahahahahahahahhaahahahha i need help

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lidiya [134]
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3 0
3 years ago
.<br> Simplify the expression.<br><br> (7 – c)(–1)
Ganezh [65]
For this, you use the Law of Distribution and multiply -1 by all terms in the parentheses. 7 • -1 = -7; -c • -1 = c. Then you combine them, but since c is a variable, -7 + c is the most simplified it can get. I hope this helped!
7 0
3 years ago
Circle C has radius of 10 cm. Each of points B and D is on the midpoint of the radius. Find the area of the shaded region.
olya-2409 [2.1K]
Simple :)
Area of shaded part = are of 1/4 circle - area of both triangles.
Are of circle = pie r^2 so 100x3.14 = 314 cm2.
Area of triangle AOB= area of triangleDOE = bh/2= 5x10/2= 25 each
However, the traingles share a common area which is quad DOB(I)
Lets take traingle AOE, whose are is bh/2=10x10/2=50cm2.
50-area of triangle A(I)E= 50-(
7 0
3 years ago
Read 2 more answers
Given the cylinder enter the radius, enter diameter, enter the height than
Anna [14]
The diameter is 10 so it would be pi•radius squared 3.14•52sq or 3.14•10•2=78.54 the base of the circle is 78.54
6 0
4 years ago
Chase volunteers at an animal shelter after school, feeding and playing with the cats. If he can make 5 servings of cat food fro
Andrew [12]
It should weigh roughly 0.15 pounds
4 0
3 years ago
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