671 divided by 7 need answer with picture please

Mathematics

1 answer:

Kaylis [27]3 years ago

6 0

Answer:

95.8571428571 is my workout answer I get the answer I said how many times 7 could go into 671

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Find the midpoint between A and C.

Sloan [31]

Answer:

Step-by-step explanation:

The formula of a midpoint of a segment AB with endpoints at A(x₁, y₁) and B(x₂, y₂):

$M_{AB}\left(\dfrac{x_1+x_2}{2},\ \dfrac{y_1+y_2}{2}\right)$

From the graph we have the points A(-2, 4) and C(3, -3).

Substitute:

$M_{AC}(x,\ y)\\\\x=\dfrac{-2+3}{2}=\dfrac{1}{2}=0.5\\\\y=\dfrac{4+(-3)}{2}=\dfrac{1}{2}=0.5$

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3 years ago

Simplify -2 minus square root of 15 over 2

skad [1K]

The answer is -3.9364916731.

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3 years ago

15+21b Please help me, i suck at math

Masteriza [31]

Answer:

Step-by-step explanation:

okay so i’m not 100% sure on how to do this but i think you can just add the two together? like 15 + 21 + b. like that’s be 36b. so i’m not sure if that’s how you do it but i think you can do it that way?

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3 years ago

Find the point, M, that divides segment AB into a ratio of 4:7 if A is at (-33, 0) and B is at (0, 44).

insens350 [35]

Let's say the point is C, and divides AB on a 4:7 ratio, from A to B, meaning the AC segment takes 4 units of the lot and the CB segment takes 7.

$\bf ~~~~~~~~~~~~\textit{internal division of a line segment}
\\\\\\
A(-33,0)\qquad B(0,44)\qquad
\qquad \stackrel{\textit{ratio from A to B}}{4:7}
\\\\\\
\cfrac{A\underline{C}}{\underline{C} B} = \cfrac{4}{7}\implies \cfrac{A}{B} = \cfrac{4}{7}\implies 7A=4B\implies 7(-33,0)=4(0,44)\\\\
-------------------------------$

$\bf C=\left(\cfrac{\textit{sum of "x" values}}{\textit{sum of ratios}}\quad ,\quad \cfrac{\textit{sum of "y" values}}{\textit{sum of ratios}}\right)\\\\
-------------------------------\\\\
C=\left(\cfrac{(7\cdot -33)+(4\cdot 0)}{4+7}\quad ,\quad \cfrac{(7\cdot 0)+(4\cdot 44)}{4+7}\right)
\\\\\\
C=\left( \cfrac{-231+0}{11}~~,~~\cfrac{0+176}{11} \right)\implies C=(-21~,~16)$

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3 years ago

The best fitting line minimizes the sum of the squared errors when using ______. Multiple choice question. the high-low method s

ki77a [65]

Answer:

C.) least-square regression

I hope this helps! ^-^

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2 years ago