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denis23 [38]
3 years ago
7

Help me on my math homework first and correct one gets brain.lyest :)

Mathematics
2 answers:
stira [4]3 years ago
7 0
The answer is the third choice they both equal -16/77. Hope this helps:)
Dovator [93]3 years ago
3 0
I believe it is the third option. They all use the same fractions in their factors.
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Connie and ron walked to a dock at 2 miles per hour, jumped in a boat and motired to dillons at 7 miles per hour. If the total d
ExtremeBDS [4]

Answer:

  10.5 miles

Step-by-step explanation:

Let b represent the distance traveled by boat. The relation between speed, distance, and time is ...

  time = distance / speed

We are told the total time and the total distance so we have ...

  b/7 + (14-b)/2 = 3.25

  2b +7·14 -7·b = 14·3.25 . . . multiply by 14

  3.75·14 = 5b . . . . . . . . . . . .add 5b-14·3.25

  b = 10.5 . . . . . . . . . . . . . . . divide by 5

They traveled 10.5 miles by boat.

_____

<em>Check</em>

10.5/7 +3.5/2 = 1.5 +1.75 = 3.25 . . . . the answer checks OK

They spent 1.75 hours walking 3.5 miles to the dock and 1.5 hours traveling 10.5 miles by boat.

6 0
3 years ago
Instead of heavy 1.5 times as many pink flowers as white flowers Molly has decided to put a card in with twice as many pink flow
elena-s [515]

Answer:

In the 1st, 2nd and 3rd rows, there would be 2,3 and 8 white flowers respectively

Step-by-step explanation:

The correct question is as follows;

Instead of having 1.5 times as many pink flowers as white flowers, Molly has decided to plant a garden with twice as many pink flowers as white flowers per row. If she plants 3 rows, with 4, 6, and 8 pink flowers, how can you find the number of white flowers in each of those rows?

Since we do not know the number of white flowers, let’s call the number y.

Now from the question, we can identify that the number of pink flowers is twice that of white flowers. That would make a total of 2y pink flowers.

In the first row, since there are 4 pink flowers, the number of white flowers would be ;

2y = 4

y = 4/2 = 2

In the second row, number of pink flowers is 6, the number of white would be

2y = 6 = 6/2 = 3

In the third row, there are 8 pink flowers;

The number of white would be

2y = 8

y = 8/2 = 4 flowers

5 0
3 years ago
A board measures 3/4 feet long is cut into 6 equal pieces. What is the length of each piece?
NemiM [27]

Answer:

A.

Step-by-step explanation:

4 0
3 years ago
HELP Which the following has a slope of 2 and a y-intercept of –4?
Alex777 [14]

Y=mx+b

M=slope=2

B=y-intercept=-4

Y=2x-4

Hope this helps!!!

6 0
3 years ago
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