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Umnica [9.8K]
3 years ago
10

For every two laps Jane swims Betty swims 3 laps. If they swim a total of 35 laps how many did each girls swim

Mathematics
1 answer:
7nadin3 [17]3 years ago
4 0

Answer:

betty swam 21 jane swam 14

Step-by-step explanation:

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PLZZZZZZZZZ NEED HELP ASAP QUESTION WORTH 20 POINTS
andrezito [222]

Part A: After 9 days the radius of algae was approximately 12.81 mm. The reasonable domain to point is (0,9).

Part B: The 9 on the y-intercept represents the amount of algae the experiment started with.

Part C:  (12.81-10.12)/7=0.38

5 0
3 years ago
Camila sets up a passcode on her tablet, which allows only nine-digit codes. A spy sneaks a look at Camila's tablet and sees her
laila [671]

Answer:

\frac{1}{10^9} probability the spy is able to unlock the tablet on his first try.

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

Desired outcomes:

1 correct password, so D = 1

Total outcomes:

Nine-digit codes.

For each digit, there are 10 possible outcomes. So

T = 10^9

What is the probability the spy is able to unlock the tablet on his first try?

p = \frac{D}{T} = \frac{1}{10^9}

\frac{1}{10^9} probability the spy is able to unlock the tablet on his first try.

7 0
3 years ago
A fast food restaurant sells between 164 and 328 hamburgers per day. If the company profits $82.00 per 82 hamburgers sold, appro
Ahat [919]
The answer would be $89,790. You take 164+328. To get 492. The you divided 492 by 2. To get 246. This is the average hamburgers made in a day. The you take that time 365. to get how much money is made in a year.
3 0
4 years ago
Is (4,2) a solution of the system y=x-2 and y=3x+4
babunello [35]

Answer:

False

Step-by-step explanation:

y=x-2  y=3x+4

Substitute the point into both equations and see if it is true

2=4-2

2=2  true

and

2=3*4+4

2 = 12+4

2 =16

False

It is not a solution

4 0
3 years ago
Read 2 more answers
7x−2(x+3) =? also you have to simplify your answer
12345 [234]
7x-2(x+3)
=7x-2x-6
=5x-6
6 0
3 years ago
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