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3 years ago

How do you write negative 4 tenths as a fraction?

Mathematics

1 answer:

jasenka [17]3 years ago

6 0

Answer:

-4/10

Step-by-step explanation:

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12 m/min equals how many cm/s?

victus00 [196]

Equals meter minute 20 cm/s

7 0

2 years ago

Which matrix represents the system of equations shown below 2x=13 and 3x-2y=11

makkiz [27]

Answer:

A. Matrix A

Step-by-step explanation:

When you put a systems of linear equations in matrix form, you take only the coefficients of the xy terms and sort them. x goes first, y comes after, and the numbers after the bars are the constants.

4 0

2 years ago

Which equation has a graph that goes through the points (4, -6) and (0, 6)?

Ugo [173]

Answer:

$y = -3x + 6\\$

Step-by-step explanation:

Find the gradient of the equation

$\frac{Difference in y}{Difference in x} \\\\\frac{6 - - 6}{0 - 4} = \frac{12}{-4} = -3$

The equation will have the gradient -3x

Use the general equation of a line, and substitute the coordinates in to find the y-intercept.

$y = x + c\\ y = -3x + c\\$

(4, -6)

$-6 = -3(4) + c\\ -6 = -12 + c\\ -6 + 12 = c\\ c = 6$ $6 = -3(0) + c\\ 6 = 0 + c\\ c = 6$

(0, 6)

$6 = -3(0) + c\\ 6 = -0 + c\\ c = 6$

The equation of the line is

$y = -3x + 6\\$

4 0

3 years ago

Simple equation: 6m=12

EastWind [94]

Step-by-step explanation:

Divide both sides of the equation by the same term

6m/6 =12/6

Cancel terms that are in both the numerator and denominator
Divide the numbers

m=2

5 0

2 years ago

I need help I don’t get it

Ahat [919]

Answer:

5 and 9

Step-by-step explanation:

3 multiplied by whatever z is plus 2 has to be 10 or more

6 0

2 years ago

Read 2 more answers