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3 years ago

What is the missing number?The possible answers are -19, 19, 24 and -15

Mathematics

2 answers:

Paraphin [41]3 years ago

8 0

Answer:

15 because it says -(-2) so that means it is negative in something so your answer will be 15

Step-by-step explanation:

MrRissso [65]3 years ago

7 0

The answer is -19

Explanation:

Let the unknown number be x

x - (-2) = -17
x + 2 = -17
x = - 17 - 2
x = -19

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x = 6

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=======================

Explanation:

To find these values, you can use the general template of a 45-45-90 triangle or you can use trig ratios

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3 years ago

Write the equation of the line that is perpendicular to 3x+2y=8 and goes through the point (-5,2)

kifflom [539]

Answer:

$\displaystyle y=\frac{2}{3}(x+5)+2$

Step-by-step explanation:

We need to find the equation of the line perpendicular to the line 3x+2y=8 and passes through (-5,2).

The given line can be expressed as:

$\displaystyle y=-\frac{3}{2}x+4$

We can see the slope of this line is m1=-3/2.

The slopes of two perpendicular lines, say m1 and m2, meet the condition:

$m_1.m_2=-1$

Solving for m2:

$\displaystyle m_2=-\frac{1}{m_1}$

$\displaystyle m_2=-\frac{1}{-\frac{3}{2}}$

$\displaystyle m_2=\frac{2}{3}$

Now we know the slope of the new line, we use the slope-point form of the line:

$y=m(x-h)+k$

Where m is the slope and (h,k) is the point. Using the provided point (-5,2):

$\boxed{\displaystyle y=\frac{2}{3}(x+5)+2}$

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3 years ago

What is the missing number?The possible answers are -19, 19, 24 and -15​

What is the missing number?The possible answers are -19, 19, 24 and -15