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Dominik [7]
3 years ago
6

If element X has 78protons, how many electrons does it have

Mathematics
2 answers:
Maslowich3 years ago
6 0
It would have 78 as well
AleksAgata [21]3 years ago
3 0

Answer:


Step-by-step explanation:


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How do you round 600 to the nearest hundred?
Svetllana [295]

Answer:

600

Step-by-step explanation:

600 hundred is already rounded.

Say if the number was 650, it would round to 700. But if it was 610 it would round to 600.

7 0
3 years ago
You have $1,900 in savings for retirement. If your investments earn 8% annually, how much will you have in your retirement accou
natima [27]

Answer:

$3,015

Step-by-step explanation:

To determine the amount that you will have in 6 years, you have to use the formula to calculate the future value:

FV=PV*(1+i)^n

FV= future value

PV= present value= $1,900

i= interest rate= 8%

n= number of periods of time= 6 years

FV=1,900*(1+0.08)^6

FV=1,900*(1.08)^6

FV=3,015

According to this, the answer is that in 6 years you will have $3,015 in your retirement account.

6 0
3 years ago
If 2x=8, then x=4<br><br> Name the property being illustrated in this expression
Kobotan [32]
2x4=8 is the expression gets the answer
4 0
3 years ago
Isabella worked 50 hours over the past two weeks, and she gets paid by the hour. During the first week of the two-week span, she
sammy [17]

Isabella earns $9.50 per hour. She would've earned $475 for the entire 50 hours.

5 0
3 years ago
Read 2 more answers
HELP ASAP 100 POINTS!!!
nikklg [1K]
<h3>Answer:  choice 4. f(x) and g(x) have a common x-intercept</h3>

===========================================================

Explanation:

For me, it helps to graph everything on the same xy coordinate system. Start with the given graph and plot the points shown in the table. You'll get what you see in the diagram below.

The blue point C in that diagram is on the red parabola. This point is the x intercept as this is where both graphs cross the x axis. Therefore, they have a common x intercept.

------------

Side notes:

  • Choice 1 is not true due to choice 4 being true. We have f(x) = g(x) when x = 2, which is why f(x) > g(x) is not true for all x.
  • Choice 2 is not true. Point B is not on the parabola.
  • Choice 3 is not true. There is only one known intersection point between f(x) and g(x), and that is at the x intercept mentioned above. Of course there may be more intersections, but we don't have enough info to determine this.

7 0
3 years ago
Read 2 more answers
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