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Ivanshal [37]
3 years ago
11

Simplify -2 1/9 - (-4 1/9)

Mathematics
1 answer:
ZanzabumX [31]3 years ago
4 0

Answer:

2

Step-by-step explanation:

The easiest thing is to convert it to an improper fraction.

-2 1/9 turns into -19/9. -4 1/9 turns into -37/9.

-19/9 - (-37/9) here you would add because you are subtracting a negative number.

-19/9 + 37/9 change it to positive and then add.

-19+37=18

it was 18/9. that simplified is 2.

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Keonna flipped a coin 3 times. What is the probability that she flipped heads all 3 times?
Wewaii [24]
3/2. I hope this is what you are looking for and it helps!
8 0
3 years ago
Graph the following equation using X- and y-intercepts.<br> x + y = -3
Kitty [74]

Answer:

x-intercept: (-3,0)

y-intercept: (0,-3)

Step-by-step explanation:

Looking at the equation, we can see that it is already in standard form, or in a Ax+By=C format. Whenever a line is put into standard form, the x-intercepts are represented by (\frac{C}{A},0) and the y-intercepts are represented by (0, \frac{C}{B} ). So, let's calculate them by doing the following:

1) Find the x-intercept by using the (\frac{C}{A},0) formula. Substitute the number on the right side of the equation for C and the coefficient for the x term for A. So, in this case, C = -3 and A = 1:

(\frac{C}{A},0)\\\\(\frac{-3}{1},0)  \\(-3,0)

Therefore, the x-intercept is (-3,0).

2) Next, find the y-intercept by using the (0,\frac{C}{B} ) formula and substituting the right values. C is still the number on the right side of the equation and B is the coefficient of the y term. So, C = -3 and B = 1.

(0,\frac{C}{B})\\ (0, \frac{-3}{1})\\(0, -3)

Therefore, (0, -3) is the y-intercept.

7 0
3 years ago
Using the equation y = 3x – 5, what would the output be for an input of -4?
tino4ka555 [31]

Answer:

your question is really not clear but if you were to put the -4 in the Y then the answer would be X=1/3, if you plug in -4 for X and find Y then Y = -17

Step-by-step explanation:

plug in -4 in Y

-4=3x-5 add 5 on both sides,

1 = 3x divide 3 on both sides

1/3= x

plug in -4 in X

y = 3(-4)-5 multiply 3 and -4 = -12

y = -12-5 subtract the -12 and -5 = -17

y = -17

3 0
4 years ago
Just keep getting more homework.<br> i really need help
rusak2 [61]

Answer:

1. x = 1, y = -3

2. x = 3, y = 4

Step-by-step explanation:

Here, we want to solve the sets of simultaneous equations;

a) -y = 5x-2

-3y = -5x + 14

substitute 1 into ii

3(5x-2) = -5x + 14

15x - 6 = -5x + 14

15x + 5x = 14 + 6

20x = 20

x = 20/20

x = 1

from;

-y = 5x - 2

y = -5x + 2

y = -5(1) + 2

y = -3

b) -2y = -6x + 10

2y = x + 5

Substitute ii into i

-(x + 5) = -6x + 10

-x - 5 = -6x + 10

-x + 6x = 10 + 5

5x = 15

x = 15/5

x = 3

2y = x + 5

2y = 3 + 5

2y = 8

y = 8/2

y = 4

4 0
3 years ago
Help me now!! 16 points!!
stellarik [79]

Answer:

it's the fourth one

Step-by-step explanation:

Solve all the problems using exponent rules and the last one equals 632

6 0
3 years ago
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