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Viefleur [7K]
2 years ago
12

What is the point of comparing prices?

Mathematics
2 answers:
kherson [118]2 years ago
6 0

Answer:

To know which is better to pay.

Step-by-step explanation:

Good Luck

Andrew [12]2 years ago
4 0
To know which is cheaper
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Pls help and remember to include the paranthesis
nydimaria [60]
I did this to get 47.5 as the answer not 47 im not sure why but i did (61-7+7×1/2)+17 using the PEMDAS please excuse my dear aunt sally
parenthesis exponents multiply divide add subtract
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3 years ago
PLEASE HELP ME WITH BOTH MATH QUESTIONS ASAP!!!!!!!!!
maxonik [38]

Answer:

the one on top=   c=  -12

the bottom one=  f=   -15

Step-by-step explanation:

4 0
2 years ago
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Pls help <3 i mean i’m sure it’s easy but i don’t know what to write.
I am Lyosha [343]
Circumference/Diameter = pi = 3.14
C/D = pi = 3.14
5 0
3 years ago
Which ordered pair gives the coordinates of the image of R(-a, b) if R is rotated clockwise 180°?
-BARSIC- [3]
Rotated 180° is(-b, a)
3 0
3 years ago
Read 2 more answers
If PQ=8 and Q lies at -13 where could P be located?
choli [55]

Answer:

In the given figure the point on segment PQ is twice as from P as from Q is. What is the point? Ans is (2,1).

Step-by-step explanation:

There is really no need to use any quadratics or roots.

( Consider the same problem on the plain number line first.  )

How do you find the number between 2 and 5 which is twice as far from 2 as from 5?

You take their difference, which is 3. Now splitting this distance by ratio 2:1 means the first distance is two thirds, the second is one third, so we get

4=2+23(5−2)

It works completely the same with geometric points (using vector operations), just linear interpolation: Call the result R, then

R=P+23(Q−P)

so in your case we get

R=(0,−1)+23(3,3)=(2,1)

Why does this work for 2D-distances as well, even if there seem to be roots involved? Because vector length behaves linearly after all! (meaning |t⋅a⃗ |=t|a⃗ | for any positive scalar t)

Edit: We'll try to divide a distance s into parts a and b such that a is twice as long as b. So it's a=2b and we get

s=a+b=2b+b=3b

⇔b=13s⇒a=23s

7 0
3 years ago
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