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Elina [12.6K]
3 years ago
6

Using π = 3.14, what is the circumference of a circle with a diameter of 5.5 units?

Mathematics
1 answer:
aalyn [17]3 years ago
8 0

Answer:

17.27

Step-by-step explanation:

so we do 5.5/2=2.75

2x3.14= 6.28

6.28x2.75=17.27

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Which graph models the function F(x)=-2(3)^x
andrey2020 [161]

Answer:

Given the function: y= -2(3)^x                                .....[1]

An exponential function is in the form of y=ab^x.

  • If a< 0 and b <1, then the graph is increasing
  • If a< 0 and b >1 , then the graph is decreasing.
  • If  a> 0 and b<1, the the graph is decreasing.
  • if a< 0 and b > 1. then the graph is increasing.

From the given equation [1] we have;

Here, a = -2 < 0 and b = 3 > 1.

For this function, x-intercepts doesn't exist, as it does not crosses the x-axis graph.

y-intercept states that the graph crosses the y-axis.

Substitute value of x =0 in [1] to solve for y;

y = -2(3)^0

y = -2

y-intercept = (0, -2)

End Behavior of the given graph :

If x \rightarrow \infty , then f(x) \rightarrow -\infty

and

If x \rightarrow -\infty, then f(x) \rightarrow 0

Also, You can see the graph as shown below in the attachment.


3 0
3 years ago
Read 2 more answers
Traffic accidents are a regular occurrence in City. What are the main causes of this and what are some solutions?
kari74 [83]

Answer:

causes

How different factors of Roads contribute in Accidents: Drivers: Over-speeding, rash driving, violation of rules, failure to understand signs, fatigue, alcohol. Pedestrian: Carelessness, illiteracy, crossing at wrong places moving on carriageway, Jaywalkers.

solutions

Preventing accidents is easy when you know what to do.

Develop the right attitude about driving. ...

Get as much supervised practice driving as possible. ...

ALWAYS wear your safety belt. ...

Underage drinking and drug use is illegal. ...

Limit your passengers. ...

Limit your night driving. ...

Keep it slow and safe for starters.

Step-by-step explanation:

6 0
3 years ago
Last one what is the radius of the circle
iogann1982 [59]
7 is the radius of the circle
7 0
3 years ago
Read 2 more answers
I NEED HELP QUICK
MAVERICK [17]

Answer:

m∠2= 180-30=150

m∠3= 30

m∠4=30

m∠5=150

m∠6=150

m∠7=30

Step-by-step explanation:

since these are angles of parallel lines cut by a transversal the theorems of vertical, corresponding, supplementary, and complementary angles apply.

4 0
4 years ago
Which equation represents the line that passes through (-5,-2) and has a slope of 3
MrRa [10]

You already know the slope is 3 and you have the point, so you would plug it into y = mx + b

-2 = y

3 = m

-5 = x

Plug in:

-2 = 3(-5) + b

Solve:

-2 = -15 + b

-2 (+15) = -15 + b (+15)

13 = b

Now you have b, so you can form the equation where the slope is 3x and the y-intercept is 13.

Final answer: y = 3x + 13


8 0
3 years ago
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