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-Dominant- [34]
3 years ago
13

Solve for x. 2x^2+4x−1=0 Enter your answers in the boxes. HELP ASAP I DONT KNOW THIS ANSWER

Mathematics
1 answer:
Marina86 [1]3 years ago
7 0

x
=
0.22474487
…
,
−
2.22474487
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Help me find surface area of this shape
lozanna [386]
The triangle <span>pyramid</span>  is made up of 4 triangles.

------------------------------------
Formula:
------------------------------------
Area of triangle = 1/2 x base x height

------------------------------------
Area of the bottom triangle:
------------------------------------
Area = 1/2 x 9 x 7.8
Area = 35.1 yd²

------------------------------------
Area of the 3 side triangles:
------------------------------------
Area = 3 [ 1/2 x 9 x 10 ]
Area = 135 yd²

------------------------------------
Total Area:
------------------------------------
Total Area = 135 + 35.1 
Total Area = 170.1 yd²

------------------------------------------------------------------------
Answer: Surface Area = 170.1 yd².
------------------------------------------------------------------------

4 0
4 years ago
How many solutions exist for the following system of equations: 4x + y = 7 and 3x - y = 0 a. no solution b. one solution c. infi
Zanzabum
4x+y=7 \\&#10;\underline{3x-y=0} \\&#10;4x+3x=7+0 \\&#10;7x=7 \ \ \ |\div 7 \\&#10;x=1 \\ \\&#10;3x-y=0 \\&#10;3 \times 1-y=0 \\&#10;3-y=0 \ \ \ |+y \\&#10;y=3 \\ \\&#10;(x,y)=(1,3)

The answer is B. one solution.
6 0
4 years ago
What would you have to do to change 10 cubic feet into cubic inches?
andrezito [222]

1 foot = 12 inches

(1 foot)³ = (12 inches)³

12³ = 1,728 in³


To change 10 cubic feet into cubic inches

10 ft³ x 1728 in³/ft³ = 17,280 in³

So the answer will be:
C. Multiply by 1,728
3 0
3 years ago
What is the total surface area of the object shown below including visible and non visible sides
Olenka [21]

Answer:

scan it plz its really easy if you scan them

8 0
3 years ago
Used Cartesian coordinate system to plot the following points
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(x,y)
go over x, and up or down y
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8 0
3 years ago
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