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SVETLANKA909090 [29]
3 years ago
8

Brian has reduced his cholesterol level by 6% by following a strict diet and regular exercise. If his original level was 280, wh

at is his approximate cholesterol level now?
A. 17
B. 278
C. 263
D. 297
Mathematics
2 answers:
SashulF [63]3 years ago
6 0
The answer is c 263 I hope this helps
daser333 [38]3 years ago
3 0

Answer:

Maybe C?

Step-by-step explanation:

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A bag contains a mixture of 300 red and 75 yellow candies. If you choose one candy at random, what is the probability that it is
natta225 [31]

Answer: A solid 4% chance of picking a yellow

brainliest plz

Step-by-step explanation: We first should combine 300 and 75 because those are the total values of the candies in the bag. After, we should divide the different candies by the total amount of them getting the numbers .8 for red and .2 for yellow. Since the question is that the yellow occurs but not the red and you can miss the bag you would want to calculate what the probability would be to have B happen but not A. The equation for that is:

(1 - P(A)) × P(B)  

where P(A)=.8 and P(B)=.2

plugging in all things it would be

(1-.8)*.2

which equals .04 or 4%

4 0
3 years ago
For a recent season in college football, the total number of rushing yards for that season is recorded for each running back. Th
Galina-37 [17]

Answer:

The standard deviation of the number of rushing yards for the running backs that season is 350.

Step-by-step explanation:

Consider the provided information.

The mean number of rushing yards for the running backs that season is 790 yards. One running back had 1,637 rushing yards for the season, which is 2.42 standard deviations above the mean number of rushing yards.

Here it is given that mean is 790 and 1637 is 2.42 standard deviations above the mean.

Use the formula: z=\frac{x-\mu}{\sigma}

Here z is 2.42 and μ is 790, substitute the respective values as shown.

2.42=\frac{1637-790}{\sigma}

\sigma=\frac{847}{2.42}

\sigma=350

Hence, the standard deviation of the number of rushing yards for the running backs that season is 350.

4 0
4 years ago
A biker began riding her mountain bike from the 0-mile mark of a trail. She biked at a steady rate of 912 miles per hour. Which
romanna [79]
There is not enough information here to solve this question.

I just wanted to say that 912 miles per hour on a bike is a little fast :))
3 0
3 years ago
Samantha had 300 beads 30% were black 25% were red 15% were white.the remaining beads are blue. how many were blue?
zhannawk [14.2K]
Hello!

For this you have to find the amount of every color of beads.

300 * 0.30 which is 90 black beads

300 * 0.25 is 75 red beads

300 * 0.15 is 45 white beads

Then you add them.

90+75+45 = 210

Then subtract them from the total

300 - 210 = 90

The answer is 90 blue beads or 30%

Hope this helps!
4 0
3 years ago
Will you guys please help me on these questions?? I don't understand them.
statuscvo [17]
What questions... it doesn't show up
3 0
3 years ago
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