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tankabanditka [31]
4 years ago
9

Need help with both of them !

Mathematics
1 answer:
vovangra [49]4 years ago
6 0
After calculating for ten minutes, I got 1. B and 2. D
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What is the difference of the fractions? Use the number line to help find the answer.
Doss [256]

Answer:

Option 'b' i.e. -11/20 is the correct option.

Thus,

\frac{1}{5}-\frac{3}{4}=-\frac{11}{20}

Step-by-step explanation:

Given the expression

\frac{1}{5}-\frac{3}{4}

Determining the difference of the fractions

\frac{1}{5}-\frac{3}{4}

The Least Common Multiplier of 5, 4 is 20. Thus, adjust the fractions based on the L.C.M.

\frac{1}{5}-\frac{3}{4}=\frac{4}{20}-\frac{15}{20}

Apply the fraction rule:  \frac{a}{c}-\frac{b}{c}=\frac{a-b}{c}

          =\frac{4-15}{20}

Add the number: 4-15 = -11

           =\frac{-11}{20}

Apply the fraction rule:  \frac{-a}{b}=-\frac{a}{b}

            =-\frac{11}{20}

Please check the attached figure, where the pointing-down arrow is representing the correct answer which is -11/20.

Therefore, option 'b' i.e. -11/20 is the correct option.

Thus,

\frac{1}{5}-\frac{3}{4}=-\frac{11}{20}

3 0
3 years ago
Help me please!!!!!!
Llana [10]

Answer:

1. Equatoin = y = 2/9x + 1   Slope = 2/9   Y- interpects= 1

 2.Equatoin =  y= 7/5x - 7  Slope = 7/5   Y- interpects= 7

Step-by-step explanation:

6 0
3 years ago
Which equation has a slope: 3/2, y-intercept: –4
ipn [44]

Answer:

The equation of the line that has a slope of 3/2 and a y-intercept of -4 is:

y=3/2x-4.

Step-by-step explanation:

You want to find the equation for a line that has a slope of 3/2 and a y-intercept of -4.  First of all, remember what the equation of a line is:

y = mx+b  Where:  m is the slope, and  b is the y-intercept

All you really have to do here is  replace m with 3/2, which is the slope you gave, and  replace b with -4, the y-intercept you gave,  in the equation y=mx+b.

8 0
3 years ago
AB<br> C D<br> E<br> F +3<br> x2 -3x -18
madam [21]

Answer:

(x + 3) ( x - 6)

Step-by-step explanation:

x² - 3x - 18

x² - 6x + 3x - 18

x(x - 6) + 3(x - 6)

(x + 3) ( x - 6)

5 0
3 years ago
Read 2 more answers
Help!!!! I need help fast please you’ll get 20 points
aalyn [17]
I think the answer is the second on b
8 0
3 years ago
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