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3 years ago

What is the value of -12- (-35)?

Mathematics

2 answers:

maksim [4K]3 years ago

5 0

Answer:

-12-(-35)

=-12+35

=23

VashaNatasha [74]3 years ago

3 0

Subtracting a negative number is the same as adding that number, so you have

$-12-(-35)=-12+35 = 35-12 = 23$

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Which inequalities are true? Choose all answers that are correct.

Fudgin [204]

A) $5 \ \textless \ -7$ is false. There is no solution.
B) $-3 \ \textgreater \ -1$ is false. There is no solution.
C) $8 \ \textgreater \ -13$ is true. It has infinite solutions.
D) $-10 \ \textless \ -6$ is true. It has infinite solutions.
E) $-14 \ \textless \ -15$ is false. There is no solution.

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3 years ago

Can somebody number the problem and work it out for me thanks and btw it’s solving system by graphics

adoni [48]

Answer:

Solutions are (3,1) and (4,2)

Step-by-step explanation:

Graph is shown in the attached sheet

Given are two systems of equations and we have to solve them using graph

For graphing let us first prepare table for x and y.

1) $y=\frac{-2x}{3} +3:\\y=2x-5$

I line II line

x 0 4.5 3 x 0 2.5 3

y 3 0 1 y -5 0 1

The two lines intersect at (3,1)

Hence solution is (3,1)

--------------------------------------------

2) $y=\frac{x}{2} \\-6x+3y=-18$

I line II line

x 0 2 4 x 0 6 4

y 0 1 2 y 3 0 2

The two lines intersect at (4,2)

Hence solution is (4,2)

3 0

2 years ago

The graph of 4x+12y=8 and y=Mx+5 are perpendicular. What is the value of m

Komok [63]

Answer:

$m=3$

Step-by-step explanation:

we know that

If two lines are perpendicular, then their slopes are opposite reciprocal (the product of their slopes is equal to -1)

step 1

Find the slope of the given line

we have

$4x+12y=8$

isolate the variable y

$12y=8-4x$

$y=\frac{2}{3}-\frac{1}{3}x$

the slope of the given line is

$m=-\frac{1}{3}$

step 2

Find the slope $m_2$ of the perpendicular line to the given line

$m_1*m_2=-1$

$m_1=-\frac{1}{3}$ ---> slope of the given line

$(-\frac{1}{3})*m_2=-1$

$m_2=3$

therefore

The value of m is

$m=3$

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2 years ago

Write the equation of a line through the two points in (-2,8) and (5,-1)

natta225 [31]

Answer:

(-2, 8) and (5, -1)

slope: (y² - y¹) / (x² - x¹)

(-1 - 8) / (5 + 2) = -9/7

y = -9/7x + b

8 = -9/7(-2) + b

8 = 18/7 + b

8 = (2.57) + b

b = 5.43

y = -9/7x + 5.43

parallel = same slope

y = -9/7x

perpendicular = reciprocated slope

y = 7/9x

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2 years ago

Round 100.9052 to the nearest hundredths

Bas_tet [7]

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100.952 rounded to the nearest tenth = 101.0

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2 years ago