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Dahasolnce [82]
3 years ago
5

PLEASE ANSWER QUICKLY WILL GIVE BRAINLIEST IF CORRECT

Mathematics
2 answers:
Sergio039 [100]3 years ago
7 0

Answer:

D. 1256 cm

Step-by-step explanation:

Divide the diameter by 2 to get the radius so 400/2 = 200

C = 2 π r = 2 · π · 200 = 1256.637

Verizon [17]3 years ago
4 0
D, or 1256 cm :) good luck!
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Given the function f(x)=x^4+8x^3+16x^2, determine all intervals on which f is decreasing.
ValentinkaMS [17]

Answer:

see attachment

Step-by-step explanation:

4 0
3 years ago
The quotient of 7 and the sum of x and 1
Len [333]

Answer:

7÷(x+1)

Step-by-step explanation:

7÷(x+1)

5 0
3 years ago
Jean lives about 10 miles from the college where she plans to attend a 10-week summer class. There are two main routes she can t
jeka57 [31]

Answer:

We would advise her to choose Country Route because in this route time consistent between 15 and 18 minutes.

Step-by-step explanation:

We are given that Jean lives about 10 miles from the college where she plans to attend a 10-week summer class. There are two main routes she can take to the school, one through the city and one through the countryside.

Jean sets up a randomized experiment where each day she tosses a coin to decide which route to take that day. She records the following data for 5 days of travel on each route.

Country Route - 17, 15, 17, 16, 18  (in minutes)

City Route - 18, 13, 20, 10, 16 (in minutes)

Now, we have to decide which route is better for Jean to go to college.

As we can see from the data that the Country route timings is consistent between 15 to 18 minutes which means most of the times she will reach college between these minutes only.

While on the other hand, we can observe that City route timings are very much consistent as it has a low value of 10 minutes and high value of 20 minutes which means Jean can't be sure that at which time she will reach college.

Hence, we would advise her to choose Country route.

7 0
3 years ago
Please look at the screenshot it has my question.
shepuryov [24]

Answer:

6.25 mins (6 minutes 15 seconds)

Step-by-step explanation:

96 tests = 2mins

300 tests = x mins

X = 2/96 x 300

X = 6.25 mins

3 0
2 years ago
Gina has a bag containing Red, Green, Blue, Yellow, and Brown M&Ms.
victus00 [196]

Answer:

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Step-by-step explanation:

Given

Probability of picking a Red M&M = 1/2

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Since;

Probability = number of possible outcome/total outcome

For green;

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Probability of choosing green = 1/4

Substitute into the formula;

1/4 = 24/Total outcome

Cross multiply

Total outcome = 4×24

Total outcome = 96

Hence there are 96 M&M's altogether

8 0
2 years ago
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