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Schach [20]
2 years ago
11

Kyla runs around a 400-meter track at a constant speed of 200 meters per minute. How many

Mathematics
2 answers:
Otrada [13]2 years ago
8 0

Answer: 8

Step-by-step explanation:

inn [45]2 years ago
5 0

Answer:

If i'm not wrong 8 minutes.

Step-by-step explanation:

If you add all the meters together its adds up to 1600. It says you run 200 meters per minute so it will take 8 minutes to run around the track 4 times.

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Help me hurry pls !Solve the following 4-(x-2)=2x-12+3x show the work please I dont understand ! Help
irina1246 [14]
Perform indicated multiplication on left side..

4-x+2=2x-12+3x  combine like terms on both sides

-x+6=5x-12  subtract 5x from both sides

-6x+6=-12  subtract 6 from both sides

-6x=-18  divide both sides by -6

x=3
4 0
3 years ago
What is 2 thirds plus 3 sevenths
Zepler [3.9K]
23 over 21 is the right answer

23
----
21
6 0
3 years ago
Read 2 more answers
1. When the discriminant is grater than zero, the equation has:
Yakvenalex [24]
No spoliation skdnfnd
3 0
3 years ago
Clair collects seashells. At home, she has 15 shells. Every day she brings 3 back to the beach. After 5 days how many seashells
Igoryamba

The equation would be:

y = 3x + 15

1) Table: It is pretty easy to do so, just plug in 0, 1, 2, 3, etc. for x and solve for y

2) graph (find slope): slope would be 3 shells/day that has a y-intercept of 15

3) you already defined the variables

4) 3(5)+15 = 15+15 = 30 seashells

I hope this helps!

5 0
3 years ago
Given the data below:
Leno4ka [110]

Answer:

5.16

Step-by-step explanation:

Since after x=3, value of y starts decreasing for increasing values of x, let's choose. Also we need to find f(x) for x=3.4

x=3,4,5 and f(x)=7,3,1 to find lagrange polynomial

P(x)= ((x-x2)(x-x3)y1)/((x1-x2)(x1-x3) + ((x-x1)(x-x3)y2)/((x2-x1)(x2-x3) + ((x-x1)(x-x2)y3)/((x3-x1)(x3-x2)

P(x)= ((x-4)(x-5)7)/((3-4)(3-5)) + ((x-3)(x-5)3)/((4-3)(4-5)) + ((x-3)(x-4)1)/((5-3)(5-4))

P(x)= x² -11x+31

P(3.4)= 5.16

7 0
3 years ago
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