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makkiz [27]
3 years ago
5

3-4x^2=0 Solve for x

Mathematics
2 answers:
IRISSAK [1]3 years ago
8 0

Answer:

\frac{ \sqrt{3} }{2}  = x

Step-by-step explanation:

3 - 4 {x}^{2}  = 0 \\ 3 = 4 {x}^{2}  \\  \sqrt{3}  = 2x \\ +- \frac{ \sqrt{3} }{2}  = x

•You square root both sides to cancel the x².

•You divide both sides by 2 to leave the x alone

• the answer is in + or -

masha68 [24]3 years ago
5 0

Answer: + or - (square root of 3)/2

Step-by-step explanation:

3-4x^2=0

Add 4x^2 on both sides

3-4x^2+4x^2=0+4x^2

3=4x^2

Divide both sides by 4

4x^2/4 = 3/4

x^2 = 3/4

Since it’s a square x can be a negative number or a positive number.

x = square root (3/4) = (square root of 3)/2

x = + or - (square root of 3)/2

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natulia [17]
Triangular Prism.

Hope this helped :)
6 0
3 years ago
Does anyone know how to do this ?
goldenfox [79]

Answer: D) 32

Step-by-step explanation:

The area of a parallelogram equals its base times its height. Substitute the base and area into this formula to solve for the height:

A=bh

40=(5)(h)

h=8

If ABCD is a parallelogram, opposite sides are parallel, so AB is parallel to DC. If AB is parallel to DC, EB is parallel to DC. Since EB is parallel to DC, quadrilateral EBCD has at least one pair of parallel sides, making it a trapezoid. The area of a trapezoid is equal to \frac{h(b_{1}+b_{2})  }{2} where h is the height, b_{1} is one base, and b_{2} is the other base. Plug the necessary values into the formula:

A=\frac{h(b_{1}+b_{2})  }{2}

b_{1} =AB-AE\\DC=AB\\b_{1} =DC-AE\\b_{1} =5-2\\b_{1} =3

b_{2} =5

h=8

A=\frac{8(3+5)}{2}

A=32

The answer is D) 32.

6 0
2 years ago
The Tire on franks bike moves 75 inches in one rotation. How many rotations will the tire have made after frank rides 50 feet
Sladkaya [172]
You have to convert 50 feet to inches, so you take 50 times 12 and get 600. Then, you take 600/75 to get the number of rotations. Your final answer shold be 8 rotations.
4 0
3 years ago
Finding area of shaded sectors.
tekilochka [14]

Answer:

69.81 sq. m. (rounded to 2 decimal places)

Step-by-step explanation:

The sector of a circle is "part" or "portion" of a circle. The formula for the area of a sector is:

A=\frac{\theta}{360}*\pi r^2

Where

\theta  is the central angle

r is the radius

Given the figure, the arc is given as 80 degrees, but not the central angle of the shaded sector. But from geometry we know that the central angle and the intercepted arc have the same measure. So we can say:

\theta = 80

Also, the radius of the circle shown is 10 meters, so

r = 10

Now, we substitute in formula and find our answer:

A=\frac{\theta}{360}*\pi r^2\\A=\frac{80}{360}*\pi (10)^2\\A=\frac{2}{9}*100\pi\\A=\frac{200\pi}{9}\\A=69.81

Thus,

The area of the shaded sector is 69.81 sq. meters.

5 0
3 years ago
Find the area of the shaded section only in the future below.
maxonik [38]

Answer:

293.5

Step-by-step explanation:

40×50/2

=1000 cm²

π×15²

3.14×225

706.5

1000-706.5=293.5 cm²

4 0
3 years ago
Read 2 more answers
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