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Phantasy [73]
2 years ago
9

Find the perimeter of this semi-circle with diameter,

Mathematics
1 answer:
KATRIN_1 [288]2 years ago
6 0

The perimeter of the semicircle is 19π cm if the diameter of the circle is 38 cm.

<h3>What is a circle?</h3>

It is described as a set of points, where each point is at the same distance from a fixed point (called the centre of a circle)

We have a circle with diameter of 38 cm.

Diameter = 38 cm

The radius of the circle = 38/2 = 19 cm

Perimeter of the circle = 2πr = 2π(19) = 38π cm

Perimeter of the semicircle = 38π/2 = 19π cm

Thus, the perimeter of the semicircle is 19π cm if the diameter of the circle is 38 cm.

Learn more about circle here:

brainly.com/question/11833983

#SPJ1

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Given the function f(x) = 2x-5 and g(x), which function has a greater slope?​
adell [148]

Answer:

g(x) has a greater slope

Step-by-step explanation:

step 1

Find the slope of f(x)

we have

f(x)=2x-5

This is a linear function in slope intercept form

f(x)=mx+b

where

m is the slope

b is the y-intercept

so

m=2

step 2

Find the slope of g(x)

take two points from the table

(2,0) and (4,5)

m=(5-0)/(4-2)\\m=5/2=2.5

step 3

Compare the slopes

2.5 > 2

so

The slope of g(x) is greater than the slope of f(x)

3 0
4 years ago
If 5 out of 30 students scored an A on a quiz.what percent did not get an A on the quiz?Round to the nearest whole percent.
Inessa [10]

Answer:

83 %

Step-by-step explanation:

If 5 out of 30 got an A, that means that

30 -5 = 25

25 out of 30 did not get and A

25/30 = .8333333 = 83.33333 %

Rounding to the nearest whole percent

83 %

8 0
2 years ago
The volume of a cylinder is 4zxcubic units and its height is x units.
lana66690 [7]

Answer:

Last one

Step-by-step explanation:

took the test

3 0
3 years ago
Solve the equation. f/29 = 28 f =
Vinvika [58]

Answer:

0

Step-by-step explanation:

4 0
4 years ago
The probability that a customer selects a pizza with mushrooms or pepperoni is , and the probability that the customer selects o
Andrej [43]

Answer:

The probability of the customer selecting both items is 0.04.

Step-by-step explanation:

The complete question is:

The probability that a customer selects a pizza with mushrooms or pepperoni is 0.45, and the probability that the customer selects only mushrooms is 0.32. If the probability that he or she selects only pepperoni is 0.17, find the probability of the customer selecting both items.

Solution:

The information provided is as follows:

P (M) = 0.32

P (P) = 0.17

P (M ∪ P) = 0.45

Compute the probability of the customer selecting both items as follows:

P(M\cup P)=P(M)+P(P)-P(M\cap P)\\\\P(M\cap P)=P(M)+P(P)-P(M\cup P)\\\\=0.32+0.17-0.45\\\\=0.04

Thus, the probability of the customer selecting both items is 0.04.

6 0
3 years ago
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