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stira [4]
3 years ago
14

PLS HELP MEEEEE And please SHOW YOUR WORK

Mathematics
1 answer:
vfiekz [6]3 years ago
4 0

- 13.8 =  \frac{u}{5}  - 1.3

- 13.8 + 1.3 =  \frac{u}{5}

- 12.5 =  \frac{u}{5}

- 12.5 \times 5 = u

- 62.5 = u

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See the three. What proportion of the first 1000 natural numbers have a 3 somewhere in them? For example, 135, 403, and 339 all
Angelina_Jolie [31]
I think the proportion of the numbers from 1-1000 that contains 3 is 261 out of 1000 number and it includes the numbers in 300 place. I hope you are satisfied with my answer and feel free to ask for more if you have clarifications and further questions. 
5 0
3 years ago
PLSS HELP IM TIMED PLS HELPP
Advocard [28]

Answer:

The answer is 9

Step-by-step explanation:

5 0
3 years ago
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Before the election, you want to determine the number of possible president/vice-president combinations for the sorority you bel
vichka [17]

Solution: We have to choose two positions president and vice president from eight people. So, we need to use the Permutations formula in order to find the possible number of combinations.

The number of possible combinations is:

8P2 =\frac{8!}{(8-2)!}

              =\frac{8\times7\times6\times5\times4\times3\times2\times1}{6\times5\times4\times3\times2\times1}

              =\frac{40320}{720}

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6 0
3 years ago
Lionel is planning a one-day outing.
vaieri [72.5K]

For this case, the first thing we must do is define variables.

We have then:

x: number of rides

y: total cost

We now write the equations for each park.

For The Thrill amusement park:

y = 5x + 40

For The Splash water park:

y = 3x + 60

Answer:

A system of equations that could be used to determine the solution where the cost per ride of the two amusement parks, and, is the same is:

y = 5x + 40

y = 3x + 60

6 0
3 years ago
Divide. Write your answer as a fraction in simplest form.<br><br> −7/10÷ 2/5= help
WARRIOR [948]

Answer:

- \frac{7}{4}

Step-by-step explanation:

Given

- \frac{7}{10} ÷ \frac{2}{5}

Leave the first fraction

Change division to multiplication

Turn the second fraction upside down

= - \frac{7}{10} × \frac{5}{2} ← cancel 5 and 10 by 5

= - \frac{7}{2} × \frac{1}{2}

= - \frac{7(1)}{2(2)}

= - \frac{7}{4}

5 0
3 years ago
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