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pogonyaev
4 years ago
7

Representing each situation by translating it to algebraic expression.

Mathematics
1 answer:
Leno4ka [110]4 years ago
7 0

Answer:

Kindly check explanation

Step-by-step explanation:

Given that :

Motorcycle driver travels 15kph faster than a bicycle rider

Motorcycle covers 60km in 2 hours less than the time it takes bicycle rider to travel the same distance ;

Let bicycle rider's speed = r kph

Motorcycle driver's speed = (15 + r) kph

TIME it takes bicycle rider to cover a distance of 60km = t hours

TIME it takes motorcycle driver to cover a distance of 60km = (t - 2) hours

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What is the reciprocal of 9/7?
Bingel [31]

Answer:

its 7/9

Step-by-step explanation:

you just have to flip the fractions

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3 years ago
Jay on started off his penny collection with 1 penny. He then adds 5 pennies to his collection each day. How could you change th
nata0808 [166]

Answer:

By doubling each day

Step-by-step explanation:

Jay is increasing  daily a fixed amount of pennies to his collection.  That's an arithmetic series, because to obtain the next term you have to do an addition.

To get a geometric series or progression you have to find the next term through multiplication.

So, if he wants to convert his series into a geometric series, he'd have to double his contribution to his collection each day (as an example).

4 0
3 years ago
Fill in the gaps in the arithmetic sequence -3, _ ,_ , _, _, _ 12
lord [1]

Answer:

  -0.5, 2, 4.5, 7, 9.5

Step-by-step explanation:

The given terms are 6 apart, so the common difference is 1/6 of their difference:

  d = (12 -(-3))/6 = 15/6 = 5/2 = 2.5

Add 2.5 to each term to get the next one. Then the sequence is ...

  -3, <u>-0.5</u>, <u>2.0</u>, <u>4.5</u>, <u>7.0</u>, <u>9.5</u>, 12

8 0
4 years ago
Gary drove to the park at a rate of 50 miles per hour if it took him 2.5 hours to get from his house to the park how far away is
Marina86 [1]

Answer:

The distance of the park from the Gary's house is 125 miles.

Step-by-step explanation:

Speed of Gary = 50 miles/hour

Time taken by Gary to reach the park from his house = 2.5 hours

Now, we know that,

Distance travelled = speed × time

So,  distance between park and Gary's house = speed × time

= 50 × 2.5

= 125 miles

So, the park is 125 miles away from the Gary's house.

4 0
3 years ago
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