2 years ago

Amy runs 4 miles in 31 minutes how many minutes does she take per mile

Mathematics

1 answer:

Hitman42 [59]2 years ago

4 0

Answer:

about 8 minutes per mile

Step-by-step explanation:

a= t/d

31/4= 7.75

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From a point at the waters edge, a bridge arch 53 m away has an angle of elevation of 30, and the top of a yacht mast 14 m away

Arte-miy333 [17]

Answer:

Yes

Step-by-step explanation:

We don't even have to do a calculation.

The arch of the bridge is at point C.

The top of the yacht's mast is at E.

Even though the yacht is much closer to the water's edge, its mast has a much smaller angle of elevation.

The yacht can easily pass under the bridge.

3 0

3 years ago

Following one side of a rural road, the house numbers increase by eighteen. The house number of the first house on the road is 8

ad-work [718]

Answer:

Recursive:

$a_n=a_{(n-1)}+18\\ \\ a_1=82$

Explicit:

$a_n=64+18n$

Explanation:

1. Sequence:

$a_1=82\\ \\ a_2=82+18=100\\ \\ a_3=100+18=118\\ \\ a_4=118+18=136\\ \\ ...$

2. Recursive formula

The recursive formula permits to calculate the value of the nth term in the sequence using the (n-1)th term in the sequence.

$a_n=a_{(n-1)}+18\\ \\ a_1=82$

3. Explicit formula

The explicit formula permits to calculate any value of a term in the sequence:

$a_n=a_1+(n-1)d\\ \\ a_n=82+(n-1)18\\ \\ a_n=82+18n-18\\ \\ a_n=64+18n$

7 0

3 years ago

Can someone answer this

MA_775_DIABLO [31]

Answer:

10 inches

Step-by-step explanation:

18*2=36

56-36=20

20/2= 10

The missing side length is 10 inches.

Hope this helps! Have a nice day :)

5 0

3 years ago

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What is the inverses

dlinn [17]

inverse means opposite,

inverse of addition is subtraction

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3 years ago

HELP NEEDED! (Giving points) How many times greater is 3.4 than 1.7?

QveST [7]

Answer:

Step-by-step explanation:

Divide 3.4 by 1.7 and you get 2

4 0

2 years ago

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