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2 years ago

Pleaseee helpppp Please!!!

Mathematics

2 answers:

AfilCa [17]2 years ago

6 0

All you have to do is convert the boxed ones into positive because anything between |x| is always positive! It can’t be negative. That’s the rule.

kotykmax [81]2 years ago

6 0

Answer:

30:18

31:0

32:25

33:2+13=15

34:20-17=3

35:16-5=11

Step-by-step explanation:

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Find the coordinates of the point 7/10 of the way from A to B. a=(-3,-6) b=(12,4)

Artemon [7]

Answer:

The coordinates of $M$ are $x = \frac{15}{2}$ and $y = 1$ .

Step-by-step explanation:

Let be $A = (-3,-6)$ and $B = (12, 4)$ endpoints of segment AB and $M$ a point located 7/10 the way from A to B. Vectorially, we get this formula:

$\overrightarrow {AM} = \frac{7}{10}\cdot \overrightarrow {AB}$

$\vec M - \vec A = \frac{7}{10}\cdot (\vec B - \vec A)$

By Linear Algebra we get the location of $M$ :

$\vec M = \vec A + \frac{7}{10}\cdot (\vec B - \vec A)$

$\vec M = \vec A +\frac{7}{10}\cdot \vec B - \frac{7}{10}\cdot \vec A$

$\vec M = \frac{3}{10}\cdot \vec A + \frac{7}{10}\cdot \vec B$

If we know that $\vec A = (-3,-6)$ and $\vec B = (12, 4)$ , then:

$\vec M = \frac{3}{10}\cdot (-3,-6)+\frac{7}{10}\cdot (12,4)$

$\vec M = \left(-\frac{9}{10},-\frac{9}{5} \right)+\left(\frac{42}{5} ,\frac{14}{5} \right)$

$\vec M =\left(-\frac{9}{10}+\frac{42}{5} ,-\frac{9}{5}+\frac{14}{5} \right)$

$\vec M = \left(\frac{15}{2} ,1\right)$

The coordinates of $M$ are $x = \frac{15}{2}$ and $y = 1$ .

6 0

3 years ago

the three largest islands in canada are all north of the arctic cirlce. baffin island has about 2 1/3 times the area of victoria

nikklg [1K]

Maybe you should work on starting you're sentences.

3 0

3 years ago

What is an equation of the line that passes through the point (3, -8) and has slope -2?

BabaBlast [244]

Answer:

Step-by-step explanation:

slope of -2 means the slope is -2/1

from (3, - 8) you can find the y intercept by going backwords until x = 0

(2,-6)

(1,-4)

(0,-2)

so the y intercept is -2

y = -2x - 2

6 0

2 years ago

... please help..........................

Drupady [299]

Answer:

Step-by-step explanation:

-8+2=-6 and im pretty sure negative of a power is just a regular power so its B

6 0

2 years ago

4x + 5 = 9 + 4x<br> PLEASEEE HELP

Grace [21]

Answer:

Step-by-step explanation:

3 0

2 years ago