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quester [9]
3 years ago
8

PLEASE HELP ME!!!

Mathematics
2 answers:
Helen [10]3 years ago
8 0

Answer:

Just took it!

Step-by-step explanation:

Ede4ka [16]3 years ago
7 0

The roots of the quadratic equation ax^2+bx+c=0 are

x=\frac{-b \pm \sqrt{b^2-4ac}}{2a}.

Here the given quadratic equation is 5x^2-13x+7=0. Here a=5,b=-13,c=7.

The roots are

x=\frac{13 \pm \sqrt{13^2-4*5*7}}{2*5} \\ x=\frac{13 \pm \sqrt{29}}{10}

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-11y = 6(2+1) - 13y
iris [78.8K]

Answer:

12

Step-by-step explanation:

Let's put the equations in standard form. For the first equation, we have:

−11y=6(z+1)-13y

2y−6z=6

y−3z=3

The second equation is:

4y−24=c(z−1)

4y−cz=24−c

If we multiply the first equation by 4, we get:

4y-12z=12

Comparing the two equations, we see that if c=12, both equations will be the same and there will be infinitely many solutions.

The correct value of c is 12.

7 0
2 years ago
Is 7.5 greater or less than 48.75?
fomenos

Answer:

Less than

Step-by-step explanation:

7.5 < 48.75

48.75 is a bigger number than 7.5

Therefore, 7.5 is less than it.

7 0
3 years ago
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In a polygon, the segment joining two non-consecutive vertices is called the Select one: a. diagonal b. radius c. diameter d. ve
vitfil [10]

Answer:

It's called diagonal

8 0
2 years ago
Solve linear equation using elimination?
eduard
The solution set is 4, 1.
7 0
3 years ago
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Evaluate the expression shown below and write your answer as a fraction in simplest form.
Lena [83]

Answer:

1/42

Step-by-step explanation:

4/7 - 23/42 = 24/42 - 23/42 = 1/42

3 0
2 years ago
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