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daser333 [38]
2 years ago
6

500 in exponential form

Mathematics
1 answer:
allochka39001 [22]2 years ago
5 0

Answer:

5 x 102

Step-by-step explanation:

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On any given day, one person needs an average of 2.5 liters of water to survive. how many people will a tank supply for the day
Hitman42 [59]
How much water is in the tank?
7 0
3 years ago
Augustus ruled the roman empire from 27 BC to AD 14.For how many years did he rule?<br><br><br>​
Semmy [17]

Answer:

40 years

Step-by-step explanation:

He was also the first Roman Emperor

4 0
3 years ago
ASAP!!! LOOK AT THE IMAGE FOR THE GRAPH AND ANSWER CHOICES!! PLEASE HELP URGENT!!
m_a_m_a [10]

Answer:

The answer is D.

4x + y = 2

x - y = 3

____________

When given a graph with an intersection of two lines, first locate the y-intercept (the point where x = 0) of each line, and then find it's slope by evaluating its change in y over the change in x.

It is also possible to eliminate the incorrect systems using substitution when given a point of intersection.

For example, as the point of intersection is apparent on this graph, you can substitute these coordinates from the graph into each of the systems of equations given in the choice answers to verify it.

For it to be a solution, it must satisfy (make true) both equations of the system.

(a, b) : (x, y)

Given that (1,-2) is our point of intersection according to the graph.

Choice A is incorrect because (1, -2) → x + 4y = 3 → (1) + 4(-2) = 3 → 1 + (-8) = 3 →

1 - 8 = 3 → -7 ≠ 3.

And (1, -2) → x + y = 2 → (1) + (-2) = 2 →

-1 ≠ 2.

It is already incorrect as one of the

equations in this system do not satisfy the coordinate.

Choice B is also incorrect because

(1, -2) → x + 4y = 2 → (1) + 4(-2) = 2 →

(1) + (-8) = 2 → 1 - 8 = 2 → -7 ≠ 2.

And (1, -2) → x + y = 3 → (1) + (-2) = 3 →

1 - 2 = 3 → -1 ≠ 3.

Lastly, Choice C is incorrect because

(1, -2) → 4x + y = 3 → 4(1) + (-2) = 3 →

4 + (-2) = 4 - 2 = 3 → 2 ≠ 3.

And (1, -2) → x - y = 2 → (1) - (-2) = 2 →

1 + 2 = 2 → 3 ≠ 2.

Therefore D is correct because it is the last answer remaining.

Also here is proof:

(1, -2) → 4x + y = 2 → 4(1) + (-2) = 2 →

4 + (-2) = 2 → 4 - 2 = 2 → <u>2 = 2</u>

So one equation fits the coordinate, but this cannot yet be verified as the working system unless both equations fit the point.

So (1, -2) → x - y = 3 → (1) - (-2) = 3 →

1 + 2 = 3 → <u>3 = 3</u>

Now we can say that this is the working system.

_____________________________

The next method involves strong observation of the graph to find both equations in slope-intercept form and then back into standard form to find a match of the choice answers as both systems are in standard form (Ax + By = C)

With the first line, it has a y-intercept of 2 because this is where it crosses the y-axis when x = 0. It also has a slope of -4 because it goes down 4 units every 1 unit to the right. This means that the first line has an equation of y = - 4x + 2.

Slope intercept form is the form y = mx + b where m is the slope( rise over run/change in y over change in x) , and b is the y-intercept (where x = 0).

The next line has a y-intercept of -3 because this is where it crosses the axis, and where x = 0. This also has a slope of 1 because it rises by 1 every run or goes up 1 unit every 1 unit to the right. therefore the second line has an equation of y = x - 3.

4 0
3 years ago
Find an expression which represents the sum of (-6x + 9y) and (-10x – 6y) in<br> simplest terms.
Vera_Pavlovna [14]

Answer:

-16x+3y

Step-by-step explanation:

(-6x)+(-10x)=-16x ,. (9y)+(-6y)=3y ,. so the answer is -16x+3y

7 0
3 years ago
Read 2 more answers
Help please dont add a link or you'll get reported
vladimir1956 [14]
A) 288 m2

Explanation:
Ok so surface area is just adding up all the area of each faces. Just look at what I do below:

Area of the rectangular base:
10 • 6= 60

Area of the front triangle facing us:
1/2 • 12 • 10= 60
Multiply 60 by 2 cause there is still another similar triangle at the back- 60 • 2= 120

Area of the triangle facing right:
1/2 • 8 • 6= 24
Multiply 25 by 2 case there is still another similar triangle facing on other side(left)
24 • 2= 48

Add them all up together
60 + 120 + 48= 228

MARK ME BRAINLIEST TYSM
have a nice day/night! :DD

8 0
2 years ago
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