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Vinil7 [7]
2 years ago
13

Part 2 to previously asked question 100 points detailed answers please

Mathematics
1 answer:
Alchen [17]2 years ago
7 0
Y=4x-1 because it can be the only one
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Vanyuwa [196]
14: no she got 69% 38/55 = 69%
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3 years ago
How many electrons get given when elements combine
klio [65]

Answer:

When two atoms have shared electrons, it is not distinguishable from what atom they are because they are shared in the same orbit, it is called a covalent bond.

Step-by-step explanation:

Atoms in a covalent bond share one or more electrons in the last of their orbitals, the number of electrons in the last orbital will depend on the element in question.

7 0
2 years ago
Read 2 more answers
What is the equation of the graph below?On a coordinate plane, a curve crosses the y-axis at (0, negative 1). It has a minimum o
zzz [600]

ANSWER:

4th option: y = cosine (x + pi)

STEP-BY-STEP EXPLANATION:

For the function y = cosine (x), when x = 0, y = 1 and when x = , y = -1. The graph shows the opposite, when x = 0, y = -1 and when x = , y = 1, so we must add the same amount x = , for y to be positive 1.

So the equation of the graph would be:

y=\cos(x+)

The correct answer is then the 4th option y = cosine (x + pi)

3 0
1 year ago
Evaluate the expression 3.14(a2 + ab) when a = 3 and b = 4. (Input decimals only, such as 12.71, as the answer.)
34kurt
3.14(a2+ab)
3.14(3(2)+3(4)
3.14 +6+12
3.14+18
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6 0
3 years ago
Read 2 more answers
Solve the quadratic equation numerically (using tables of x- and y- values). -4x=-x2+12
Levart [38]
-4x=-x2+12 should be written  <span>-4x=-x^2+12, with " ^ " representing exponentiation.

You are to invent a table of x values and find the difference between -4x and -x^ 2+12.  The smaller the difference, the closer you are to finding the correct root, x.

To get you started:

 x     -4x              x^2+12      difference
--- ------------   ----------------   --------------
 2       -8                 16               24 (pretty bad!)
-4       16                28              12 (better)
 -10   40              112                72 (much worse)

To answer this problem correctly, you must present such a table, even tho' it'd be faster to use the quadratic formula (or some other method) to find x.


</span>
5 0
3 years ago
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