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Angelina_Jolie [31]

2 years ago

12

Isabel has ridden 16 miles of a bike course. The course is 80 miles long. What percentage of the course has Isabel ridden so far

?

2 answers:

OlgaM077 [116]2 years ago

7 0

Answer:

20%

Step-by-step explanation:

Divide 16 by 80 and you get 0.2 as an answer and to get a percent you move the decimal 2 places to the right to fet 20%

goldenfox [79]2 years ago

6 0

Answer:

16/80By100%

=20%

Step-by-step explanation:

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A system of equations is graphed on the coordinate plane. y=−6x−3y=−x+2 What is the solution to the system of equations? Enter t

Mamont248 [21]

If you equate both, the y is eliminated:

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2 years ago

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Help plz what is 7-6v=-5-8v

kirill115 [55]

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3 years ago

Pls help Select the correct answer.

andrew-mc [135]

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2 years ago

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Find all the values of k so that the given points are 29 square units apart. (-5, 5) and (k,0).

Varvara68 [4.7K]

Distance formula between 2 points (x1,y1) and (x2,y2)

D= $\sqrt{(x1-x2)^{2}+(y1-y2)^{2}}$

D=29 and one point is (-5,5) and the other is (k,0)
sub

29= $\sqrt{(-5-k)^{2}+(5-0)^{2}}$
29= $\sqrt{(-5-k)^{2}+(5)^{2}}$
square both sides
841= $(-5-k)^{2}+(5)^{2}$
841= $(-5-k)^{2}+25$
minus 25 both sides
816= $(-5-k)^{2}$
square root both sides don't forget positive and negative roots
+/-4√51=-5-k
add 5 to both sides
5+/-4√51=-k
times -1 both sides
-5+/-4√51=k

the possible values for k are
k=-5+4√51 or k=-5-4√51

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2 years ago