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Montano1993 [528]
3 years ago
8

What is the slope of the line with equation y = - 3x + 4

Mathematics
2 answers:
kozerog [31]3 years ago
8 0

Answer:

-3

Step-by-step explanation:

-3 is the slope y=mx + b m is -3

MA_775_DIABLO [31]3 years ago
7 0

Answer:

m= -3

Step-by-step explanation:

y = - 3x + 4\\y = \:mx+b\\where \:m\:is\:slope

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The correct steps to find the value of 16 to the power of 1 over 4?
zavuch27 [327]
Here you have the right steps. There are two options to solve it.

6 0
4 years ago
find the angle between the vectors. (first find the exact expression and then approximate to the nearest degree. ) a=[-8,6]. B=[
just olya [345]

Answer:

49°

Step-by-step explanation:

Given vectors:

a = [-8, 6]

B = [√7, 3]

θ = ?

To find the angle between the two vectors, we will be using the formula,

                                   a.B = |a||B|cosθ

For simplicity, it is good to first calculate the dot product, and the magnitudes. Then we will substitute the values of the dot product, and the magnitudes of the vectors to solve for the angle.

Calculating the dot product

         a.B = (-8, 6) . (√7, 3)

               = (-8 × √7) + (6 × 3)

               = -8√7 + 18

               = 18 - 8√7

               = 10√7

Calculating the magnitude the vectors

1. The magnitude of vector (-8, 6)    

                |a| = \sqrt{(-8)^{2} + 6^{2}}

                |a| = \sqrt{64 + 36}

                |a| = \sqrt{100}

                |a| = 10

2. The magnitude of vector (√7, 3)

                |B| = \sqrt{(\sqrt{7})^{2} + 3^{2}}

                |B| = \sqrt{7 + 9}

                |B| = \sqrt{16}

                |B| = 4

Calculating the angle between the vectors,

                cosθ = \frac{a.B}{|a||B|}

                cosθ = \frac{10\sqrt{7}}{10 * 4}

                cosθ = 0.6614

                θ = cos⁻¹0.6614

                θ = 48.59°

                θ = 49°

5 0
4 years ago
The square below represents a unit or a whole. What fraction is represented by the
Mkey [24]
20/28 or 10/14 or 5/7
You can keep reducing until both sides of the fraction can't be divided by the same number anymore.
5 0
3 years ago
Fractions order from least to greatest!!
mote1985 [20]

Answer:

The last one

Step-by-step explanation:

9/4 is the greatest as there is over two wholes, and that option is the only one where it is the right spot

5 0
3 years ago
Read 2 more answers
Solve for the indicated variable
anygoal [31]

Answer:

243.911, or rounding to the nearest unit, 244.

Step-by-step explanation:

For this, you need to know a concept in Trigonometry called "Law of Sines". This states that the ratio of any side of a triangle to the sine of the angle opposite is equal for all cases in that triangle.

Knowing this:

\frac{200}{ \sin(48) }  =  \frac{x}{ \sin(65) }  \\ x \sin(48)  = 200 \sin(65)  \\ x =  \frac{200 \sin(65) }{ \sin(48) }  \\ x = 243.911

3 0
3 years ago
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