3 years ago

HELP PLEASE somebody !!

Mathematics

1 answer:

Anestetic [448]3 years ago

7 0

Answer:

Step-by-step explanation:

The 90th term of the arithmetic sequence is 461

a90=a1+(90-1) x d

a90=16+89 x 5

a90=461

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A. 5/18 B. 4/9 C. 1/2 D. 5/9

schepotkina [342]

$|\Omega|=9\cdot8=72\\ |A \cap B|=5\cdot4=20\\\\ P(A \cap B)=\dfrac{20}{72}=\dfrac{5}{18}\Rightarrow \text{A}$

5 0

3 years ago

a plane can fly 7 miles per minute. the plane will fly 8 trips, and each trip is 810 miles. how many hours will the plane fly? s

Gnesinka [82]

Answer: 12 hours and 24 Minutes

Step-by-step explanation:

7*60 = 420

810/420 = 1.9285

93- 100 = 53-60

subtract 40 from 93.

1.53*8 = 12.24

Answer: 12 hours and 24 Minutes

3 0

3 years ago

Ready

ki77a [65]

Answer:

Step-by-step explanation:

I think it is a strangely worded question as they only refer to the larger gear turning.

I believe that this is what they are going for.

Number of teeth passing in each revolution

The Numbers match when the large gear turns two times as the smaller gear turns three times.

3 0

3 years ago

The answer is 65. i hope i helped

snow_tiger [21]

The equation can be:5*13=65

4 0

3 years ago

Reed has 8 more pennies than quarters. He saved 5 times as many pennies as quarters. How much money does he have in all ? Answer

mariarad [96]

Answer:

40 pennies

Step-by-step explanation:

6 0

3 years ago

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