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erma4kov [3.2K]
3 years ago
11

Do anybody know geometry?

Mathematics
1 answer:
choli [55]3 years ago
6 0

Answer:

D. 29

Step-by-step explanation:

180 - 151 = 29

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Larry made 85% on his exam. If there were 140 questions, how many did he answer correctly
ella [17]

Answer:

119

Step-by-step explanation:

Divided by x and y for total engagement of relationship between two beings of equation.

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3 years ago
Does — бр + 7 = 7 – бр have <br> No Solution, One Solution, or Infinitely
julsineya [31]

Answer:

Infinitely

Step-by-step explanation:

Hi,

Both sides of the equation are equal to each other, this means they're the exact same line and overlap. This is infinitely many solutions.

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2 years ago
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If two quantitative variables are highly correlated, does that necessarily result in causation?
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4 0
3 years ago
Suppose Samantha is walking at a constant speed of 0.5 miles every 6 minutes from her house to a coffee shop located 1.3 miles a
Effectus [21]

Answer:

a) It takes Samantha 12 minutes to walk 1 mile

b) It takes Tina 6 minutes to bike 1 mile

c) k(t) = 0.083t

d) m(t) = 0.167t

e) Tina arrives befora Samantha

Step-by-step explanation:

a) How many minutes does it take Samantha to walk 1 mile?

This is a direct rule of three problem. So:

6 minutes - 0.5 miles

x minutes - 1 mile

x = 6/0.5 = 12 minutes

It takes Samantha 12 minutes to walk 1 mile

b) How many minutes does it take Tina to bike 1 mile?

Quite similar to a)

1.5 minutes - 0.25 miles

x minutes - 1 mile

x = 1.5/0.25 = 6 minutes

It takes Tina 6 minutes to bike 1 mile

c) Write a function k that determines the number of miles Samantha has walked in terms of the number of minutes.

We know that it takes 6 minutes for Samantha to walk 0.5miles. To build our function k, we need to know how many miles Samantha walks a minute.

So

6 minutes - 0.5 miles

1 - minutes - x miles

x = 0.5/6 = 0.083 miles

So the number of miles in function of t is

k(t) = 0.083t

d) Write a function m that determines the number of miles Tina has biked in terms of the number of minutes since she started biking

Same logic as c). So:

1.5 minutes - 0.25 miles

1 minute - x miles

x = 0.25/1.5

x = 0.167

So the number of miles in function of t is:

m(t) = 0.167t

e)

Samantha will arrive when k = 1.3, so:

0.083t = 1.3

t = 15.66 minutes

Tina will aririve when m = 2.5, so:

0.167t = 2.5

t = 14.9 minutes

Tina arrives befora Samantha

4 0
3 years ago
-57and 13 what is the distance?
erastovalidia [21]
The distance between the two is 70
7 0
3 years ago
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