3 years ago

Please help!! IM GIVING 100 POINTS

Mathematics

2 answers:

Anna11 [10]3 years ago

7 0

Mark the other person as Brainlest!

Lelu [443]3 years ago

6 0

The answer should be 9.3

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given the points a (-1,2) and (7,14), find the coordinates of the point p on directed line segment ab that partitions ab in the

Vinvika [58]

Check the picture below.

$\bf \left. \qquad \right.\textit{internal division of a line segment}
\\\\\\
a(-1,2)\qquad b(7,14)\qquad
\qquad 1:3
\\\\\\
\cfrac{aP}{Pb} = \cfrac{1}{3}\implies \cfrac{a}{b} = \cfrac{1}{3}\implies 3a=1b\implies 3(-1,2)=1(7,14)
\\\\
-------------------------------\\\\
{ P=\left(\cfrac{\textit{sum of "x" values}}{r1+r2}\quad ,\quad \cfrac{\textit{sum of "y" values}}{r1+r2}\right)}$

$\bf -------------------------------\\\\
P=\left(\cfrac{(3\cdot -1)+(1\cdot 7)}{1+3}\quad ,\quad \cfrac{(3\cdot 2)+(1\cdot 14)}{1+3}\right)
\\\\\\
P=\left( \cfrac{-3+7}{4}~,~\cfrac{6+14}{4} \right)$

3 0

3 years ago

Y + 5 = -4(x + 1)<br><br> Please help and explain! Thank you :)

lana [24]

Answer:

y= -4x-9

Step-by-step explanation:

first you distribute the -4: y+5= -4x-4

then you subtract 5 from both sides to isolate the variable but keep the equation balanced: y= -4x-9

4 0

3 years ago

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What is a 3 dimensional figure with 3 rectangular faces and 2 triangular faces

Margaret [11]

The Answer is Triangular Prism.

8 0

3 years ago

A student bought 34 pencils for school.if he sharpened 16 of the pencils before school whats is his ratio of unsharpened pencils

Sergio [31]

he bought 34 pencils which I suppose aren't already sharpened

so if he sharpens 16 of them just subtract 16 from 34 (34-16) which equals 18

so the ratio would be 16:18

but if u need to simplify it would be 8:9

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2 years ago

You travel 12 miles north and then 5 miles west from your home. How far are you from home?

san4es73 [151]

Answer:

Step-by-step explanation:

12 * 12 = 144

5 * 5 = 25

144 + 25 = 169

√169 = 13

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3 years ago