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3 years ago

What is the radius of a circle with a diameter of 45 miles?

Mathematics

2 answers:

telo118 [61]3 years ago

4 0

Answer:

r = 22.5

Step-by-step explanation:

R = D/2 = 45/ 2 = 22.5

GuDViN [60]3 years ago

4 0

Just remember to divide the diameter by two to get the radius. If you were asked to find the radius instead of the diameter, you would simply divide 7 feet by 2 because the radius is one-half the measure of the diameter. The radius of the circle is 3.5 feet. You can also use the circumference and radius equation

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Estimate the amount of the tip by rounding the bill to the nearest dollar before calculating.

Serggg [28]

Answer:

11.8

Step-by-step explanation:

Rounding 59.03 you get 59.
20% of 59 = 11.8
11.8 = the tip.

5 0

2 years ago

I GIVE BRAINLILSET

Murljashka [212]

Answer:

Step-by-step explanation:

25÷5=5

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3 years ago

Read 2 more answers

Neil started a stamp collection with 12 stamps. Every week , he adds 4 more stamps to the collection. Which function? F represen

svlad2 [7]

Answer:

$s=4w+12$

Step-by-step explanation:

Let

s -----> the number of stamps

w ----> the number of weeks

we know that

The linear equation that represent this situation is

$s=4w+12$ ----> equation of the line into slope intercept form

where

the slope m is equal to $m=4\ stamps/week$

the y-intercept b is equal to $b=12\ stamps$ ---> (the initial value)

7 0

3 years ago

Can somebody help me with this problem!? i need help ahh

slamgirl [31]

for these kinds of problems the outside angle always equals the opposite 2. meaning angle x=64+70 which is 134 degrees. you can double check this because all triangles equal 180 degrees. meaning that the last angle in the triangle is 46. 46+70+64=180.

so your answer is 134.

hope this helps :)

6 0

3 years ago

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The owner of a local nightclub has recently surveyed a random sample of n = 250 customers of the club. She would now like to det

Maru [420]

Answer:

0.077994

Step-by-step explanation:

Given that the owner of a local nightclub has recently surveyed a random sample of n = 250 customers of the club.

$H_0: Mean = 30\\H_a: Mean >30$