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OlgaM077 [116]
3 years ago
7

There are 950 students at a high school. There are 275 freshmen and 320 sophomores. What is the ratio of freshmen to sophomores

in simplest form?
Mathematics
1 answer:
bulgar [2K]3 years ago
4 0

Answer:

55/64

Step-by-step explanation:

I used my calculator but... u can divide each number by 5.

275/5 = 55

320/5 = 64

Hope this helps! Mark as brainliest PLEASE! :)))

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A circle has a circumference of 44m. What
MakcuM [25]
<h3>Answer: B. 154 square meters</h3>

================================

Work Shown:

C = 44 is the circumference

in general, the circumference of a circle is

C = 2*pi*r

Plug in C = 44 and solve for r.

C = 2*pi*r

44 = 2*pi*r

2*pi*r = 44

r = 44/(2pi)

r = 7.0028175 which is approximate

--------------------

Now plug this into the formula for the area of a circle

A = pi*r^2

A = pi*(7.0028175)^2

A = 154.061985

A = 154 rounding to the nearest whole number

3 0
3 years ago
Read 2 more answers
What is 946 divided by 11?
timama [110]
Answer: 946 ∻ 11 = 86


3 0
2 years ago
In an article about the cost of health care, USA Today reported that a visit to a hospital emergency room has a mean cost of $14
Misha Larkins [42]

Answer: 0.8461

Step-by-step explanation:

Given : \mu=144\ \ ; \sigma=392

Let x be the random variable that represents the cost for the hospital emergency room visit.

We assume that cost for the hospital emergency room visit is normally distributed .

z-score for x=1000 ,

z=\dfrac{1000-1400}{392}\approx-1.02\ \ \ [\because z=\dfrac{x-\mu}{\sigma}]

Using z-value table , we have

P-value =P(x>1000)=P(z>-1.02)=1-P(z≤ -1.02)=1-0.1538642

=0.8461358≈0.8461  [Rounded nearest 4 decimal places]

Hence, the probability that the cost will be more than $1000 = 0.8461

3 0
3 years ago
EMERGENCY, EMERGENCY, I WILL GIVE BRAINLIEST
AlekseyPX
First you must distribute the 1/4 to get
: 1/2x^2-3=15
then you have to add three to both sides so it become
: 1/2x^2=18
then divide by 1/2 to get
:x^2 =36
then take the square root to get a final answer of
:x=6
8 0
3 years ago
What is 7.9 rounded to the nearest whole number
charle [14.2K]
The answer would be 8
6 0
3 years ago
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