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3 years ago

3times what to get -2

Mathematics

2 answers:

luda_lava [24]3 years ago

6 0

Answer:0.6

Hope u get it write

Arisa [49]3 years ago

3 0

Answer: -0.6 recurring

Step-by-step explanation:

-2/3 = -0.6 recurring

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A truck driver drove 120 miles in 13/5 hours. What was his speed in miles per hour?

Irina-Kira [14]

Answer:

120 divided by (1 and 3/4) =

120 divided by 7/4 =

120/1 * 4/7 =

480 / 7 =

68 and 4/7 mph

Step-by-step explanation:

7 0

3 years ago

(1) What is the equation, in point-slope form, for a line that goes through (8, −4) and has a slope of negative 5/6 (all fractio

Andreyy89

Formula for point-slope: $y - y1 = m(x-x1)$
Plug in the values (1): $y + 4 = -\frac{5}{6} (x - 8)$ {Choice B}
Plug in the values (2): $y + 6 = \frac{1}{3}(x+ 2)$ {Choice C}
_______________________

[For (3) and (4) we need to solve for slope]

(3)
First, solve for slope.
Formula for slope: $\frac{y2-y1}{x2-x1}$
Plug in values: $\frac{-1-5}{-4-7} = - \frac{6}{11}$
Slope: $- \frac{6}{11}$
Second, we must plug into point-slope form.
Formula for point-slope: $y - y1 = m(x-x1)$
Plug in the values: $y + 1 = - \frac{6}{11}(x + 4)$ {Choice C}

(4)
First, solve for slope.
Formula for slope: $\frac{y2-y1}{x2-x1}$
Plug in values: $\frac{6-(-8)}{-4-7} = - \frac{14}{11}$
Slope: $- \frac{14}{11}$
Second, we must plug into point-slope form.
Formula for point-slope: $y - y1 = m(x-x1)$
Plug in the values: $y - 6 = - \frac{14}{11}(x + 4)$ {Choice D}

8 0

3 years ago

Read 2 more answers

Determine weather the statement is true or false. Justify your answer

topjm [15]

$\begin{gathered} \cos (-\frac{7\pi}{2})=\cos (\pi+\frac{\pi}{2}) \\ \cos (-\frac{7\pi}{2})=\cos (\frac{3\pi}{2}) \end{gathered}$

As we know:

$\begin{gathered} \cos (x)=0 \\ for \\ x=\pi n-\frac{\pi}{2} \\ n\in Z \end{gathered}$

For:

$\begin{gathered} n=2 \\ x=2\pi-\frac{\pi}{2}=\frac{3\pi}{2} \\ for \\ n=-3 \\ x=-3\pi-\frac{\pi}{2}=-\frac{7\pi}{2} \end{gathered}$

Therefore:

$\begin{gathered} \cos (-\frac{7\pi}{2})=0 \\ and \\ \cos (\frac{3\pi}{2})=0 \\ so\colon \\ 0=0 \\ This_{\text{ }}is_{\text{ }}true \end{gathered}$

Therefore, the statement is true

7 0

1 year ago

Cat face (-13)+(+15)-(-7)+(+10)-(-23)=?

lukranit [14]

The answer to the question

8 0

3 years ago

Need Help fast please !

balandron [24]

Answer:
66

Explanation:
Volume for any prism=base area*height

The base is a triangle and the formula to find the area of a triangle is Area=(base*height)/2. Once we input the values it would look like:

Area=(4*3)/2
A=12/2
A=6

In this case, the height of the prism would be 11. Now we input our values for finding the volume:

Volume for any prism=base area*height
Volume=6*11
Volume=66

I hope this helps! Please comment if you have any questions.

8 0

3 years ago