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balandron [24]
3 years ago
7

The sum of three consecutive integers is 78. What are the three integers?

Mathematics
1 answer:
Yanka [14]3 years ago
7 0

Answer:

25, 26, 27

Step-by-step explanation:

By adding these three consecutive integers together, you get 78. Test it on a calculator if you'd like to.

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Which equation represents a parabola that opens upward has a minimum at x=3 and has a line of symmetry at x=3
umka2103 [35]

Answer:

y=x^2-6x+5

Step-by-step explanation:

Let us consider the equation y=x^2-6x+5

For a quadratic equation in a standard form, y=ax^2+bx+c, the axis of symmetry is the vertical line x = \frac{-b}{2a}.

Here in this case we have, a=1, b=-6 , c =5

Putting the values we get,

x = \frac{-(-6)}{2\times 1} = \frac{6}{2} =3

We can see that the axis of symmetry is x=3 and the graph is giving minimum at x=3.

Therefore, the required equation is y=x^2-6x+5. Refer the image attached.


4 0
3 years ago
Read 2 more answers
Since Marnie has bought her car,the value has gone down 15%.If her car is 13000 right now,how much was it worth when she bought
Serggg [28]
Percentage of depreciation of the car that Marie bought = 15%
Present value of the car = 13000
Let us assume that the value of the car at the time of buying = x
So
The percentage valuation of the car now = (100 - 15) percent
                                                                 = 85 percent
Then
(85/100) * x = 13000
85x = 13000 * 100
85x = 1300000
x = 1300000/85
  = 15294.12
So the actual cost of the car is 15294.12. I hope the procedure is clear enough for you to understand.
6 0
3 years ago
What is the solution to the system of equations graph below?
mestny [16]

Answer: B. (-2, 3)


Step-by-step explanation: The two lines have the same solution where both lines intersect. So, if you look at the point on the graph where the two lines intersect, and count the tick marks on the number lines, the point is clearly located at (-2, 3).

6 0
3 years ago
Read 2 more answers
Solve the system of equations by using substitution.<br> y = 2x +3<br> y = -x + 6
padilas [110]

Answer:

x =3, y =3

Step-by-step explanation:

From the second equation( y= -x+6) we can get x alone.

Subtracting 6 from both sides we get, y-6 = -x

And then dividing both sides by -1, -y+6 = x

Then we can substitute this value of x into the first equation.

y = 2(-y+6) +3

Simplifying,

y = -2y + 12+ 3

3y = 15

y = 3

Substituting this back into second equation we get 3 = -x + 6

and -x = -3

Dividing both sides by -1,

we get x =3

4 0
2 years ago
Find the measure of angle 1 when X= 96 and y=132<br><br> Help!?
tresset_1 [31]

Answer: i dont know the answer

Step-by-step explanation:

i dont get it

4 0
2 years ago
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