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tankabanditka [31]
3 years ago
5

Can someone please check this for me? distance formula

Mathematics
2 answers:
seropon [69]3 years ago
5 0
-4,6) (8,-12)
square root of 12^2+-18^2
<span>square root of 144+324
</span><span>square root of 468
21.63
</span>
34kurt3 years ago
3 0
All of the work is correct, and the answer is correct.
Good job !

The probability of making a mistake with the signs is nearly 100%,
but you avoided it nicely !
 
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X= ?? geometry ??? And how ????
steposvetlana [31]

Using the equations for tangent and secant lines:

Let the unknown length of the line inside the circle = y

6^2 = 3 x (y+3)

Simplify:

36 = 3y+9

Subtract 9 from both sides:

27 =3y

Divide both sides by 3:

Y = 9

Now add to get x:

X = 9 + 3 = 12

X = 12

8 0
3 years ago
Todd swam his race in 26.785 seconds while Frank swam his race in 29.07 seconds. What was the difference in their times?
Alexus [3.1K]
All you got to do is subtract. 2.285
5 0
3 years ago
Read 2 more answers
The population of a town has grown at an annual rate of 2.7%. How long does it take for it’s population of 18,450 people to doub
charle [14.2K]
It would take 26 years.

The equation will be in the form y = a(1+r)ˣ, where a is the initial population, r is the growth rate as a decimal number, and x is the amount of time.  Using our information we have

y = 18450(1+0.027)ˣ = 18450(1.027)ˣ

We want the population to be doubled; 18450*2 = 36900:
36900 = 18450(1.027)ˣ

Divide both sides by 18450:
36900/18450 = 18450(1.027)ˣ/18450
2 = 1.027ˣ

Using logarithms, we have
\log_{1.027}2=x&#10;\\&#10;\\x=26.017
3 0
3 years ago
Help me with this question
Molodets [167]

Answer:

Pretty sure its 7.5 units²

Step-by-step explanation:

5·3=15÷2=7.5

Doing area with triangles is kind of the same as rectangle, just do base × height. But then divide it by two.

For example: base=3, height=7. With rectangles it would be 21 units².

But with triangles it would be 3·7=21 divided by 2, it would be 10.5 units²

3 0
3 years ago
Raul calculated that he would spend $125 on school supplies this year but he accually spent 87.50 on school supplies what is his
sergey [27]
Fraction of his error= 87.50/ $125
                               =0.7
Percentage= 0.7 * 100 
                  = 70%
5 0
3 years ago
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