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Morgarella [4.7K]
3 years ago
5

Solve 55/z + 1/5 = 7/z

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
3 0

Answer:HEY THERE

Step-by-step explanation:

<h3>55/z + 1/5 = 7/z</h3><h3>>1/5=7/z -55/z</h3><h3>>1/5= -48/z[do cross multiplication]</h3><h3>>1*z=5*-48</h3><h3>>z=-240</h3><h3>this is ur answerr..hope it helped u^_^</h3>
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X squared minus 7x plus 10 equals 0
joja [24]
X² - 7x + 10 = 0

Let's factor out the equation first.

x² - 7x + 10

x             -2
x             -5

This factoring of (x-2)(x-5) fit the equation.

(x-2)(x-5) = 0

One of the factors must equal 0 as to equal zero.

Either x - 2 = 0 or x - 5 = 0

x - 2 = 0 
x = 2

x - 5 = 0
x = 5

The two answers are x = 2 or x = 5. Hope this helps!
3 0
3 years ago
What is equation of the line that passes through the point (-3,8) and has an undefined slope
aniked [119]

The equation of line that passes through point (-3, 8) and has an undefined slope is x = -3

<u>Solution:</u>

Given that we have to find the equation of line that passes through point (-3, 8) and has an undefined slope

Since the line has an undefined slope. This informs us that it is a vertical line parallel to the y-axis and passing through all points in the plane with the same x-coordinate.

If the slope of the line is undefined, then, by definition the line is a vertical line.

For a vertical line, the value of  x  is the same for each and every value of  y

Given point is (x, y) = (-3 , 8)

Because the value of  x  in the point provided in the problem is -3, we get

Equation of line is : x = -3

8 0
3 years ago
An object moves 100 m in 4 s and then remains at rest for an additional 1 s.
nydimaria [60]

Answer:

20 m per second

Step-by-step explanation:

100 / 5 = 20

8 0
2 years ago
A football team lost 4 yards on each of 2 plays, gained 14 yards on the third play, and lost 5 yards on the forth play. Write an
yanalaym [24]
2 x -4 + 14 - 5
-8 +14 - 5
6 - 5
1
3 0
3 years ago
Kitara has 100 quarters and dimes. Their total value is $19. How many of each coin does Kitara have?
Sedbober [7]
Q + d = 100 so q = 100 - d
0.25q + 0.10d = 19

substitute q = 100 - d into 0.25q + 0.10d = 19

0.25q + 0.10d = 19
0.25(100 - d) + 0.10d = 19
25 - 0.25d + 0.10d = 19
-0.15d = -6
        d = 40

q = 100 - 40 = 60

answer
Kitara has 60 quarters and 40 dimes

4 0
3 years ago
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