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bearhunter [10]
3 years ago
5

What times what equals -3 in decimal form? PLZ help me

Mathematics
2 answers:
ira [324]3 years ago
7 0
-1 times 3
-3 times 1
-1.5 times 2
-2 times 1.5
Shalnov [3]3 years ago
6 0
___ x ___ = -3.0
Is this is what you're trying to say?
If it is, the answer is -1.5 x 2.
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Find the sum of – 52 , -36 , 42, 8 ,-22 and 46
vampirchik [111]
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3 years ago
What is the y-intercept of the line perpendicular to (1,1) and (-3,-1) and passes through (-3,-2)
marin [14]

Answer:

-8

Step-by-step explanation:

Let's first establish the reference line (the one that the second line will be perpendicular to).  We are told that this line passes through two points:

(1,1) and (-3,-1).

We'll find a line equation using the point slope form format to start:  

(y - y1) = m * (x - x1), where m is the slope and the x and y are from two points.

(x,y) = (1,1)

(x1,y1) = (-3,-1)

Rearrange the equation:

(y - y1) = m * (x - x1)

m = (y - y1)/ (x - x1)

m = (1-(-1))/(1-(-3))

m = 2/4, or 1/2:  The slope is 1/2.    [<u>This is "m."]</u>

We can use the slope-intercept form for this line (y=mx + b) and then calculate b, the y-intercept:

y = (1/2)x + b

Use either of the two given points.  I'll use (1,1) since I have memorized the "1" math tables.

y = (1/2)x + b  

1 = (1/2)(1) + b for (1,1)

b = 1/2

This makes the reference line:  y = (1/2)x+(1/2)

===

The line perpendicular must have a slope that is the negative inverse of (1/2).  This would be -(2/1), or -2.

We can then write y = -2x + b

To find be, enter the one given point for this line:  (-3,-2)

y = -2x + b

-2 = -2(-3) + b

-2 = 6 + b

b = -8

The perpendicular line is thus:

y = -2x - 8

It has a y-intercept of -8

5 0
2 years ago
Ajar contains "x" black and "y" white balls. What is the probability that a random draw is black?
Levart [38]

Answer:

Step-by-step explanation:

favorable events=x

total number of events=x+y

P=(favorable events)/(total number of events)=x/(x+y)

8 0
3 years ago
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Took a crew two hours and 48 minutes to go seven KM upstream and back again. If the rain flow of the streamers six KM per hour,
Zanzabum

Answer:

blop thats the answer

Step-by-step explanation:

8 0
3 years ago
Find the sum: 6 + (-2)
Dovator [93]

Answer:

4

Step-by-step explanation:

See you add negative 2, to 6 so if you add -2  to 6 you will get 4

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