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Trava [24]
4 years ago
5

Explain why molecules do not have electric charges

Mathematics
1 answer:
Tomtit [17]4 years ago
6 0
Because, the total number of electrons is equal to the number of protons.
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Skylar and her children went into a movie theater and will buy bags of popcorn and pretzels. Each bag of popcorn costs $8 and ea
Masja [62]

Answer:

8b+3.25p\leq 80

Step-by-step explanation:

Each bag of popcorn costs $8

Each pretzel costs $3.25.

  • The total cost of b bags of popcorn =$8*b=$8b
  • The total cost of p pretzels purchased =$3.25*p=$3.25p

Skylar has a total of $80 to spend on both items. This means that she can either spend less than or exactly $80.

i.e Total Cost \leq \$80

Skylar's Total cost on popcorns and pretzels =8b+3.25p

Therefore:

8b+3.25p\leq 80

Therefore, an inequality that would represent the possible values for the number of bags of popcorn purchased, b, and the number of pretzels purchased, p will be:

8b+3.25p\leq 80

8 0
3 years ago
If a Teacher in California makes on average $52,870.79 a year in salary,
dybincka [34]

Answer: $3,302.42 (rounded)

Step-by-step explanation:

52870.79(.0625)=3304.424375

5 0
3 years ago
What is the measure of angle x?
arsen [322]

Answer:

x° = 83°

Step-by-step explanation:

All angles in a triangle (any kind of triangle: right, isosceles, equilateral etc.) add up to 180 degrees.

So, if we are given the ABC triangle, then:

angle A + angle B + angle C = 180°

In this particular case, we are given values of two angles, so using the previous relation, we can write:

x° + 44° + 53° = 180°

Now, it's easy to find x°:

x° = 180° - 44° - 53°

x° = 83°

3 0
3 years ago
1. A hammock is suspended between two trees. The curve the hammock makes can be modelled by the equation, y = 0.2x2 – 0.4x – 0.6
Rina8888 [55]

Answer:

Step-by-step explanation:

Given that:

The modeled equation y = 0.2x² - 0.4x - 0.6

To find x- intercepts

y = 0.2x² - 0.4x - 0.6

y = 0.2(x² - 2x - 3)

y = 0.2(x - 3)(x + 1)

Suppose the upward parabola cuts x axis at x = 3 and x = - 1

Then, the length of the intercepts will be = 3 -(-1)

=4

We can say that the trees will be 4 unit apart.

To find y-intercepts;

y = 0.2(0)² - 0.4(0) -0.6

y = -0.6 meters

8 0
3 years ago
Equation of a circleeee. <br> Pls help!!!
erma4kov [3.2K]

Answer:

Standard equation of a circle

(x−3)^{2}+(y−3)^{2}=4

General form of the equation of a circle

x^{2}−6x+y^{2}−6y+14=0

Parametric equations of a circle

x=2cosθ+3

y=2sinθ+3

5 0
3 years ago
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