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Art [367]
3 years ago
13

Positive negative or zero??

Mathematics
1 answer:
aniked [119]3 years ago
6 0

Answer:

1. positive

2. negative

Step-by-step explanation:

When I was taught how this concept worked, my teacher used a metaphor to help us figure out the sign of a quotient of any positive or negative integer.

He told us that you could imagine the first sign being a good or a bad person, negative sign meaning bad, positive sign meaning good. the second integer in the multiplication would be whether that person (good or bad) was leaving or entering your town.

then, to figure out the sign of the quotient, you just thought about whether that scenario would be a bad thing or a good thing.

I know it probably seems a little confusing, but it helps to see an example.

-9 x 3 = ?

so we'd say that the scenario for that equation would be that a bad person was entering your town. that would be a bad thing, therefore the outcome would be a negative number.

-9 x 3 = -27

lets do the reverse!

5 x -8 = ?

the scenario for this equation would be a good person (the positive number) leaving your town (the negative number). That would generally be considered a bad thing, giving us the answer of a negative number again.

5 x -8 = -40

you can use this technique to answer your questions as well, by thinking through the possible scenarios for a positive-positive equation or a negative-negative equation, then looking at the ones we already went over for the second response question.

This works with all integer multiplication, so i thought id share what helps me!

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Which is the same as moving the decimal point 3 places to the left in a decimal number?
cricket20 [7]

Answer:

the answer is A.

Step-by-step explanation:

when you move 3 back you go in to ones, tens, hundreds, and thousands. to simply get back just mutiplye by 1,000

6 0
4 years ago
Read 2 more answers
Finish writing the equation of the line y= -3/2x+?, given the points (6, -5) and (-2, 7).
anastassius [24]

Answer:

y=-3/2x+4

Step-by-step explanation:

In order to solve this you need to graph the points and then draw a line threw them. The place where the line crosses through the y-intercept is the value for b in y=mx+b.

6 0
3 years ago
The distance d in miles that a car travels in t hours at a rate of 58 miles per hour is given by the quation d=58t. What is the
Studentka2010 [4]

Answer:

the answer is be B 406 miles

5 0
3 years ago
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the area of a rectangular wall of a barn is 260 square feet. it's length is 6 feel longer than twice it's width. find the length
scoundrel [369]
L=2w+6
260=lw

Substitute for l
260=w(2w+6)
260= 2w^2+6w
2w^2+6w-260=0
2(w^2+3w-130)
2(w+13)(w-10)
w=-13, w=10

Since width cannot be negative it must be 10
260=l(10)
26=l

Final answer: length-26 ft, width-10ft
6 0
3 years ago
The formula for velocity of an object is the equals d over t where he is a velocity of the object t is the distance traveled and
butalik [34]

Answer:

(a)\ t =\frac{d}{v}

(b)\ d = vt

Step-by-step explanation:

<em>The question is mixed up with details of another question. See comment for original question</em>

<em />

<u>Given</u>

v = \frac{d}{t}

v \to velocity

d \to distance

t \to time

Solving (a): Solve for time

We have:

v = \frac{d}{t}

Cross multiply

t * v = d

Make t the subject

t =\frac{d}{v}

Solving (b): Solve for distance

We have:

v = \frac{d}{t}

Cross multiply

d = v * t

d = vt

7 0
3 years ago
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