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katrin [286]
3 years ago
13

How many complete pieces of ribbon 7/8cm long can be cut from a roll of ribbin that is 149 cm long

Mathematics
2 answers:
ICE Princess25 [194]3 years ago
7 0
129 to 130 pieces is the answer
user100 [1]3 years ago
6 0
\frac{1192}{7}
Convert 149 to a fraction (\frac{149}{1}). 
To divide by a fraction, use the inverse or reciprocal (switch the numerator and denimoninator).
The reciprocal of \frac{7}{8} [tex] is [tex] \frac{8}{7}. 
So, multiply those two fractions together (149 x 8 = 1192) (1 x 7 = 7) to get \frac{1192}{7}


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A married couple together earns 110,000 a year. The wife earns 16,000 less than twice what her husband earns.what does the husba
Alex17521 [72]
If we place what the husband earns as h and what the wife earns as w, we can begin...
w + h = 110000

but w = 2h - 16000

We can turn it into..

2h - 16000 + h = 110000

Which we can then combine into..

3h - 16000 = 110000

Add 16000 and..

3h = 126000

Divide by three...

h = 42000

(nice)

The husband earns 42,000$ a year

Bonus: The wife then earns 68,000$

42,000 (or h) + 68,000 (or w) = 110,000

Because this is the original equation, we are correct.



4 0
3 years ago
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zlopas [31]
Answer: x = 6
(WORK SHOWN BELOW)

4 0
2 years ago
What is the slope of <br> y = -2/3x + 9
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Step-by-step explanation:

6 0
3 years ago
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amm1812
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Read 2 more answers
Can anyone help me ? I just need the numbers
Nimfa-mama [501]

Answer:

<em>(-6, 0) and  (0, 1.5)</em>

<em></em>

Step-by-step explanation:

The equation of the line in pint slope form is expressed as;

y-y0= m(x-x0)

m is the slope

(x0, y0) is the point on the line

Given

m = 1/4

(x0, y0) = (6,3)

Substitute into the formula;

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4(y-3) = x - 6

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4y - x = -6+12

4y - x = 6

x = 4y - 6

To get the points to plot, we will find the x and y-intercept of the resulting expression.

For the x-intercept,

at y = 0

x = 4(0) - 6

x = -6

Hence the x-intercept is at (-6, 0)

For the y-intercept,

at x = 0

0 = 4y - 6

4y = 6

y = 6/4

y = 3/2

y = 1.5

Hence the y-intercept is at (0, 1.5)

<em>Hence the required points to plot to get the required line are  (-6, 0) and  (0, 1.5)</em>

<em></em>

7 0
3 years ago
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