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scoray [572]
3 years ago
7

70%

Mathematics
2 answers:
Bogdan [553]3 years ago
6 0
The answer is 60 cm
jenyasd209 [6]3 years ago
5 0

Answer:

30cm

Step-by-step explanation:

If I remember right, you divide the circumference by two to find the diameter. (60 divided by 2 is 30)

Also, the diameter is the length across so, it couldn't be the same or larger than the circumference, which is the length all the way around, that leaves 30cm to be the only option.

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The 24 students in Mr. Brown’s homeroom sold 72 magazine subscriptions. The 28 students in Mrs. Garcia‘s homeroom sold 98 magazi
KATRIN_1 [288]
Mr. brown students sold 3 magazines each while Mrs. Garcia students sold 3.5 magazines each. Mrs. Garcia sold more magazines per student
3 0
4 years ago
I need a Tutor and Help with this question
valkas [14]

Answer:

x=31

y=6

Step-by-step explanation:

2x+3y=80

x+y=37

solve by elimination:( multiply second equation by 2) to eliminate x

2x+3y=80

2x+2y=74

subtract the two equations:

2x+3y-(3x+2y)=80-74

2x+3y-3x-2y=6

y=6 (3 point basket)

substitute: x+y=37, x=37-6=31

x=31 (2 point shot)

4 0
3 years ago
Read 2 more answers
The Insure.com website reports that the mean annual premium for automobile insurance in the United States was $1,503 in March 20
stira [4]

Answer:

a) Option A)

H_{0}: \mu \geq 1503\\H_A: \mu < 1503

b) Point estimate of difference = -78

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = $1,503

Sample mean, \bar{x} = $1,425

Sample size, n = 25

Sample standard deviation, s = $160

We have to carry a hypothesis test that the mean annual premium in Pennsylvania is lower than the national mean annual premium.

a) First, we design the null and the alternate hypothesis

H_{0}: \mu \geq 1503\text{ dollars}\\H_A: \mu < 1503\text{ dollars}

b) Point estimate  of the difference between the mean annual premium in Pennsylvania and the national mean

Point estimate of difference =

Mean annual premium in Pennsylvania - National mean

\text{Point estimate} = \bar{x} - \mu = 1425 - 1503 = -78

Thus,

Point estimate of difference = -78

5 0
4 years ago
The chance of getting heads two times in row when flipping a standard coin twice?
kenny6666 [7]

Answer:

12.5%

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
The probability that an individual is left-handed is 0.11. in a class of 29 students, what is the probability of finding five le
natka813 [3]

This is a case of binomial probability, with n = 29, p = 0.11 and x = 5.


Using the function binompdf on my Texas Instruments calculator, as follows:


binompdf(29,0.11,5) = 0.117 (answer)

5 0
3 years ago
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