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VashaNatasha [74]
3 years ago
13

Linear equation /−+/=/−/

Mathematics
1 answer:
Mashutka [201]3 years ago
5 0

Step-by-step explanation:

What exactly are you asking for help w?

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6th out of 10 questions
Vlad [161]

The answer is D

To solve the answer you would have needed to multiply the reciprocal of \frac{2}{7} but in this case, Unvi multiplied with the reciprocal of 14.

8 0
3 years ago
The equation of a parabola is y=x2+6x+9. Write the equation in vertex form.
nignag [31]

Answer:

Step-by-step explanation:

Vertex form is accomplished by completing the square on the quadratic. Do this by first setting the parabola equal to 0 then moving the constant over to the other side:

x^2+6x=-9

Now take half the linear term, square it, and add it to both sides. Our linear term is 6. Half of 6 is 3, and 3 squared is 9:

x^2+6x+9=-9+9

The reason we do this is to create a perfect square binomial on the left:

(x+3)^2=0 (obviously the 0 results from the addition of 9 and -9). Move the 0 back over to the other side and set the quadratic back equal to y:

(x+3)^2+0=y

This gives you a vertex of (-3, 0), which is a minimum value, since the parabola opens upwards.

6 0
3 years ago
14x=x^2-15<br><br> find the value of x
hram777 [196]

Answer: x=-1, 15

Step-by-step explanation:

x^2 -14x-15=0\\\\(x-15)(x+1)=0\\\\x=-1, 15

5 0
2 years ago
W(t) = 3t – 1; t = 5
son4ous [18]
I’m not sure if your asking for the solution, but Hope this helps!

8 0
3 years ago
How many 90 degree angle does it take to make a full turn
ser-zykov [4K]
Full turn = 360°

Number of 90° = 360 ÷ 90 = 4 

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Answer: It takes 4 90° to make a full turn.
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7 0
3 years ago
Read 2 more answers
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