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Ksju [112]
3 years ago
14

HELP HELP HELP PLS :(

Mathematics
2 answers:
Sphinxa [80]3 years ago
7 0
Its 216 square feet because 24 x 18 / 2 = 216 (divided by two because its a triangle)
snow_lady [41]3 years ago
4 0

Answer:

A

Step-by-step explanation:

becaus emultiply 24 x  18 and its 432

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Evaluate the expression for x=5 and y= 3
kenny6666 [7]

I will use the positive / negative property of the absolute value to split the equation into two cases, and I will use the fact that the "minus" sign in the negative case indicates "the opposite sign", not "a negative number".

For example, if I have x = –6, then "–x " indicates "the opposite of x" or, in this case, –(–6) = +6, a positive number. The "minus" sign in "–x" just indicates that I am changing the sign on x. It does not indicate a negative number. This distinction is crucial!

Whatever the value of x might be, taking the absolute value of x makes it positive. Since x might originally have been positive and might originally have been negative, I must acknowledge this fact when I remove the absolute-value bars. I do this by splitting the equation into two cases. For this exercise, these cases are as follows:

a. If the value of x was non-negative (that is, if it was positive or zero) to start with, then I can bring that value out of the absolute-value bars without changing its sign, giving me the equation x = 3.

b. If the value of x was negative to start with, then I can bring that value out of the absolute-value bars by changing the sign on x, giving me the equation –x = 3, which solves as x = –3.

The theory can be encapsulated in a main equation called the standard model Lagrangian (named after the 18th-century French mathematician and astronomer Joseph Louis Lagrange), which was chosen by theoretical physicist Lance Dixon of the SLAC National Accelerator Laboratory in California as his favorite formula.

"It has successfully described all elementary particles and forces that we've observed in the laboratory to date — except gravity," Dixon told LiveScience. "That includes, of course, the recently discovered Higgs(like) boson, phi in the formula. It is fully self-consistent with quantum mechanics and special relativity."

The first line is traditionally called forces. That Tensor quantity indicates electromagnetism and both nuclear forces. Importantly, that term does this in a way that preserves certain symmetries. They are called gauge symmetries, and even though they are hard to explain, they are very important in physics. You’ll hear more about them later.

The second line is what I might call motion. It is the reason why electrons and quarks can move. It is also what allows the forces to interact with matter.

The third line is called the Yukawa coupling. It gives mass to things like quarks and electrons. It actually used to look different. That ϕ didn’t used to be there. It was added because it was the only way to have mass while preserving gauge symmetry.

The last line is called the Higgs sector. If you’ve heard of the Higgs boson, it’s the same guy. This term is responsible for ‘spontaneous symmetry breaking’. This means that even though the universe does indeed have gauge symmetry, that symmetry can often be obscured at low temperatures. This explains the masses we observe for particles.


5 0
3 years ago
3. The volume V of a cone is given by the
hammer [34]

Answer:

Step-by-step explanation:

The most appropriate choice of volume of a cone is given by-

h=\frac{3v}{\pi r^{2} }

What is volume of a cone?

The volume of a cone is the amount of space occupied by the cone.

Volume of a cone is given by the formula

V=\frac{1}{3} \pi r^{2} h

Where, r is the radius of cone and h is the height of the cone.

Here,

V=\frac{1}{3} \pi r^{2} h\\3V=\pi r^2h\\h=\frac{3V}{\pi r^2}

To learn more about volume of a cone, refer to the link:

brainly.com/question/28109167

#SPJ9

5 0
1 year ago
PLEASE HELP. algebra homework question 3.
SIZIF [17.4K]

Answer:

(x^2-10x+25)/4

Step-by-step explanation:

8 0
3 years ago
What percent of 2/7 is 1/7
svlad2 [7]

Answer:

50%.

Step-by-step explanation:

1/7 / 2/7

= 1/7 * 7/2

= 7/14

= 1/2.

= 50%.

3 0
3 years ago
1000 tickets were sold . Adult tickets cost 8.50 , children’s cost 4.50 and total of 7300 was collected. How many tickets of eac
Arte-miy333 [17]
Adult=700. Children/kids= 300
5 0
3 years ago
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